chore: bump version to 4.4.6-ba7opf.9.14

fix(lotw): strip STATE ' // Name' suffix for award stats
LoTW returns STATE as 'CODE // Name' (verified with a real report 2026-09), e.g. 'GD // Guangdong' (China), '34 // Tottori-ken' (Japan), 'CA // California' (US). The award calculator matched on the bare CODE, so every mainland China province (WAPC), all Japan prefectures (WAJA) and US states (WAS) failed — WAPC only showed HK/MO/TW (entity branch, no STATE needed) and WAJA was empty. Normalize STATE once at parse time: strip the ' // Name' suffix so the stored GridQso.state is the clean code consumed by persistence and AwardCalculator. Add a test covering China/Japan/US formats.
2026-10-02 03:15:37 +00:00 · 2026-09-08 16:44:11 +08:00 · 2026-09-08 11:22:24 +08:00 · 2026-09-08 11:22:16 +08:00 · 2026-09-08 08:47:56 +08:00 · 2026-09-08 08:26:44 +08:00
30 changed files with 2064 additions and 233 deletions
@@ -18,11 +18,15 @@
 package com.rtbishop.look4sat.core.data.repository

 import com.rtbishop.look4sat.core.domain.repository.ILoTWRepository
+import com.rtbishop.look4sat.core.domain.repository.LoTWResult
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import java.net.HttpURLConnection
+import java.net.SocketTimeoutException
 import java.net.URL
 import java.net.URLEncoder
+import java.io.IOException
+import javax.net.ssl.SSLException

 /**
 * Fetches confirmed gridsquares directly from ARRL LoTW via the official report endpoint:
@@ -34,47 +38,222 @@ import java.net.URLEncoder
 * value; VUCC_GRIDS ("EN52en,EN53fa") also yields 4-char fields. All values are
 * truncated/expanded to the 4-char form used by the map overlay.
 *
- * ARRL rate-limits the report endpoint (roughly once per hour per account), which is
- * fine for a manual sync button.
+ * ARRL rate-limits the report endpoint: one download in progress per user id, and
+ * frequent full-report pulls get refused. Failures are reported with an explicit
+ * cause (see LoTWResult) so the UI can tell the user what to do next.
 */
 class LoTWRepository : ILoTWRepository {

-    override suspend fun fetchConfirmedGrids(callsign: String, password: String): Set<String>? =
+    override suspend fun fetchConfirmedGrids(callsign: String, password: String): LoTWResult =
        withContext(Dispatchers.IO) {
-            val call = callsign.trim().uppercase()
-            val pwd = password.trim()
-            if (call.isBlank() || pwd.isBlank()) return@withContext null
-            // qso_qslsince with an early date forces a FULL confirmed-QSL report.
-            // Without it, LoTW applies a "system supplied default" since-date and
-            // only returns confirmations newer than the account's last query —
-            // subsequent syncs would return an empty/incremental report.
-            val since = "2000-01-01"
-            val query = buildString {
-                append("login=").append(URLEncoder.encode(call, "UTF-8"))
-                append("&password=").append(URLEncoder.encode(pwd, "UTF-8"))
-                append("&qso_query=1&qso_qsl=yes&qso_qsldetail=yes&qso_mydetail=yes")
-                append("&qso_qslsince=").append(URLEncoder.encode(since, "UTF-8"))
-            }
-            try {
-                val connection = URL("$BASE_URL?$query").openConnection() as HttpURLConnection
-                connection.connectTimeout = 15_000
-                connection.readTimeout = 60_000
-                connection.requestMethod = "GET"
-                val code = connection.responseCode
-                if (code !in 200..299) {
-                    connection.disconnect()
-                    return@withContext null
-                }
-                val body = connection.inputStream.bufferedReader().use { it.readText() }
+            fetchReportBody(callsign, password).fold(
+                onSuccess = { body -> parseBoth(body)?.let { LoTWResult.Success(it.first, it.second) }
+                    ?: LoTWResult.RateLimited },
+                onFailure = { toResult(it) }
+            )
+        }
+
+    override suspend fun fetchConfirmedGridQsos(
+        callsign: String,
+        password: String
+    ): LoTWResult = withContext(Dispatchers.IO) {
+        fetchReportBody(callsign, password).fold(
+            onSuccess = { body -> parseBoth(body)?.let { LoTWResult.Success(it.first, it.second) }
+                ?: LoTWResult.RateLimited },
+            onFailure = { toResult(it) }
+        )
+    }
+
+    internal fun toResult(e: Throwable): LoTWResult = when (e) {
+        is CredentialsException -> LoTWResult.BadCredentials
+        is RateLimitException -> LoTWResult.RateLimited
+        is TimeoutException -> LoTWResult.Timeout
+        else -> LoTWResult.NetworkError(e.message ?: e.javaClass.simpleName)
+    }
+
+    /** Single report fetch feeding both the grid set and the per-QSO detail. */
+    private fun parseBoth(body: String): Pair<Set<String>, Map<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>>>? {
+        val grids = parseConfirmedGrids(body) ?: return null
+        val qsos = parseConfirmedGridQsos(body) ?: return null
+        return grids to qsos
+    }
+
+    private fun fetchReportBody(callsign: String, password: String): Result<String> {
+        val call = callsign.trim().uppercase()
+        val pwd = password.trim()
+        if (call.isBlank() || pwd.isBlank()) return Result.failure(IOException("empty credentials"))
+        // qso_qslsince with an early date forces a FULL confirmed-QSL report.
+        // Without it, LoTW applies a "system supplied default" since-date and
+        // only returns confirmations newer than the account's last query —
+        // subsequent syncs would return an empty/incremental report.
+        val since = "2000-01-01"
+        val query = buildString {
+            append("login=").append(URLEncoder.encode(call, "UTF-8"))
+            append("&password=").append(URLEncoder.encode(pwd, "UTF-8"))
+            append("&qso_query=1&qso_qsl=yes&qso_qsldetail=yes&qso_mydetail=yes")
+            append("&qso_qslsince=").append(URLEncoder.encode(since, "UTF-8"))
+        }
+        return try {
+            val connection = URL("$BASE_URL?$query").openConnection() as HttpURLConnection
+            // ARRL can be slow to accept connections from mobile networks
+            // (long TLS handshakes across the Pacific, occasional server-side
+            // queueing). 30s connect + 120s read gives the request enough
+            // headroom; the sync button stays disabled meanwhile so users
+            // see progress rather than a hung dialog.
+            connection.connectTimeout = 30_000
+            connection.readTimeout = 120_000
+            connection.requestMethod = "GET"
+            connection.setRequestProperty("Accept-Encoding", "gzip")
+            connection.instanceFollowRedirects = true
+            val code = connection.responseCode
+            if (code !in 200..299) {
                connection.disconnect()
-                if (body.contains(" password=") && !body.startsWith("ARRL")) return@withContext null
-                parseConfirmedGrids(body)
-            } catch (e: Exception) {
-                println("LoTWRepository fetch failure: $e")
-                null
+                // Observed in the wild (CQRLOG #2422): LoTW answers a throttled
+                // report pull with HTTP 503 "Page request limit".
+                return if (code == 503 || code == 429) Result.failure(RateLimitException())
+                else Result.failure(IOException("HTTP $code"))
+            }
+            val stream = connection.inputStream
+            val body = ("gzip".equals(connection.contentEncoding, ignoreCase = true))
+                .let { gz -> if (gz) java.util.zip.GZIPInputStream(stream) else stream }
+                .bufferedReader().use { it.readText() }
+            connection.disconnect()
+            when {
+                // Login failure: HTTP 200 + HTML login page with the error text.
+                body.contains("incorrect", ignoreCase = true) &&
+                    body.contains("assword", ignoreCase = true) -> Result.failure(CredentialsException())
+                // Any other non-ADIF body: rate-limit refusal / server error page.
+                !body.contains("<eoh>", ignoreCase = true) -> Result.failure(RateLimitException())
+                else -> Result.success(body)
+            }
+        } catch (e: SocketTimeoutException) {
+            Result.failure(TimeoutException(e.message ?: "timed out"))
+        } catch (e: SSLException) {
+            Result.failure(IOException("TLS: ${e.message ?: "handshake failed"}"))
+        } catch (e: Exception) {
+            println("LoTWRepository fetch failure: $e")
+            Result.failure(IOException(e.message ?: e.javaClass.simpleName))
+        }
+    }
+
+    internal class CredentialsException : Exception("bad callsign/password")
+    internal class RateLimitException : Exception("report refused (rate limit / server error)")
+    internal class TimeoutException(message: String) : Exception(message)
+
+    internal fun parseConfirmedGridQsos(
+        body: String
+    ): Map<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>>? {
+        if (!body.contains("<eoh>", ignoreCase = true)) return null
+        // One ADIF record = fields up to <EOR>. We buffer the fields we care
+        // about, then emit a GridQso on <EOR> when the record is a satellite
+        // QSO (PROP_MODE=SAT) carrying a grid.
+        val result = mutableMapOf<String, MutableList<com.rtbishop.look4sat.core.domain.model.GridQso>>()
+        var propMode: String? = null
+        var call = ""
+        var qsoDate = ""
+        var timeOn = ""
+        var satName = ""
+        var mode = ""
+        var bandUp = ""
+        var bandDown = ""
+        var dxcc: Int? = null
+        var country: String? = null
+        var cqz: Int? = null
+        var state: String? = null
+        val gridsInRecord = mutableListOf<String>()
+
+        fun emitRecord() {
+            if (propMode != "SAT" || gridsInRecord.isEmpty()) return
+            val epochMs = adifTimestampToEpoch(qsoDate, timeOn)
+            val qso = com.rtbishop.look4sat.core.domain.model.GridQso(
+                call = call, epochMs = epochMs, satName = satName,
+                mode = mode, bandUp = bandUp, bandDown = bandDown,
+                dxcc = dxcc, country = country, cqz = cqz, state = state
+            )
+            for (grid in gridsInRecord) {
+                result.getOrPut(grid) { mutableListOf() }.add(qso)
            }
        }

+        fun resetRecord() {
+            propMode = null; call = ""; qsoDate = ""; timeOn = ""
+            satName = ""; mode = ""; bandUp = ""; bandDown = ""
+            dxcc = null; country = null; cqz = null; state = null
+            gridsInRecord.clear()
+        }
+
+        for (raw in body.lineSequence()) {
+            val line = raw.trim()
+            when {
+                line.equals("<EOR>", ignoreCase = true) -> {
+                    emitRecord()
+                    resetRecord()
+                }
+                line.startsWith("<PROP_MODE:") ->
+                    propMode = adifValue(line).uppercase()
+                line.startsWith("<CALL:") ->
+                    call = adifValue(line).uppercase()
+                line.startsWith("<QSO_DATE:") ->
+                    qsoDate = adifValue(line)
+                line.startsWith("<TIME_ON:") ->
+                    timeOn = adifValue(line)
+                line.startsWith("<SAT_NAME:") ->
+                    satName = adifValue(line)
+                line.startsWith("<MODE:") ->
+                    mode = adifValue(line)
+                line.startsWith("<BAND_RX:") ->
+                    bandUp = adifValue(line).uppercase()
+                line.startsWith("<BAND:") && !line.startsWith("<BAND_RX:") ->
+                    bandDown = adifValue(line).uppercase()
+                line.startsWith("<DXCC:") ->
+                    dxcc = adifValue(line).toIntOrNull()
+                line.startsWith("<COUNTRY:") ->
+                    country = adifValue(line).ifBlank { null }
+                line.startsWith("<CQZ:") ->
+                    cqz = adifValue(line).toIntOrNull()
+                line.startsWith("<STATE:") ->
+                    state = adifValue(line).trim().ifBlank { null }?.let { normalizeState(it) }
+                line.startsWith("<GRIDSQUARE:") || line.startsWith("<VUCC_GRIDS:") -> {
+                    // VUCC_GRIDS holds a comma-separated list of grids
+                    // ("EN52en,EN53fa"), up to four for contacts spanning
+                    // several squares; split and keep every 4-char field.
+                    adifValue(line).split(',').forEach { grid ->
+                        val field = grid.trim().uppercase()
+                        if (field.length >= 4) gridsInRecord.add(field.take(4))
+                    }
+                }
+            }
+        }
+        return result
+    }
+
+    /** ADIF field value: "<GRIDSQUARE:4>OL62" -> "OL62". */
+    private fun adifValue(line: String): String =
+        line.substringAfter('>').substringBefore("E<").trim()
+
+    /**
+     * LoTW returns STATE as "CODE // NAME" (e.g. "HB // Hubei" for China,
+     * "34 // Tottori-ken" for Japan, "CA // California" for the US). The award
+     * statistics match on the short CODE only (China 2-letter province pinyin,
+     * Japan 2-digit prefecture, US 2-letter state), so strip the " // NAME"
+     * suffix here once, storing the clean code for every downstream consumer
+     * (persistence, AwardCalculator).
+     */
+    private fun normalizeState(raw: String): String = raw.substringBefore(" // ").trim()
+
+    /** "20260820" + "1130" (or "113000") -> UTC epoch ms; 0 when unparseable. */
+    private fun adifTimestampToEpoch(date: String, time: String): Long = try {
+        val d = date.trim()
+        val t = time.trim().padEnd(6, '0').take(6)
+        val fmt = java.time.format.DateTimeFormatterBuilder()
+            .appendPattern("yyyyMMddHHmmss")
+            .toFormatter()
+            .withZone(java.time.ZoneOffset.UTC)
+        java.time.Instant.from(fmt.parse(d + t)).toEpochMilli()
+    } catch (_: Exception) {
+        0L
+    }
+
    internal fun parseConfirmedGrids(body: String): Set<String>? {
        // LoTW answers with ADIF text; on bad credentials it returns a short error page
        // containing "password=?" or an <eoh>-less block. Treat anything without a header
@@ -84,14 +263,33 @@ class LoTWRepository : ILoTWRepository {
        // (LoTW writes it lowercase). Match case-insensitively to be safe.
        if (!body.contains("<eoh>", ignoreCase = true)) return null
        val grids = mutableSetOf<String>()
+        // ADIF fields of one QSO record span multiple lines and are terminated by
+        // <EOR>. Satellite QSOs carry <PROP_MODE:3>SAT (plus <SAT_NAME>); ground
+        // QSOs omit it. Grid fields (GRIDSQUARE / VUCC_GRIDS) must only be
+        // collected for records whose PROP_MODE is SAT, otherwise the map mixes
+        // in terrestrial contacts.
+        var propMode: String? = null
        for (raw in body.lineSequence()) {
            val line = raw.trim()
-            val value = when {
-                line.startsWith("<GRIDSQUARE:") -> line.substringAfter('>')
-                line.startsWith("<VUCC_GRIDS:") -> line.substringAfter('>')
-                else -> continue
-            }.substringBefore("E<").trim().uppercase()
-            if (value.length >= 4) grids.add(value.take(4))
+            when {
+                line.equals("<EOR>", ignoreCase = true) -> propMode = null
+                line.startsWith("<PROP_MODE:") -> {
+                    propMode = line.substringAfter('>').substringBefore("E<").trim().uppercase()
+                }
+                line.startsWith("<GRIDSQUARE:") || line.startsWith("<VUCC_GRIDS:") -> {
+                    if (propMode == "SAT") {
+                        // VUCC_GRIDS holds a comma-separated PAIR of grids
+                        // ("EN52en,EN53fa") for contacts spanning two squares —
+                        // split on ',' and take the 4-char field of each, or the
+                        // second grid is silently dropped.
+                        val value = line.substringAfter('>').substringBefore("E<")
+                        value.split(',').forEach { grid ->
+                            val field = grid.trim().uppercase()
+                            if (field.length >= 4) grids.add(field.take(4))
+                        }
+                    }
+                }
+            }
        }
        return grids
    }
@@ -179,6 +179,66 @@ class SettingsRepo(
        preferences.edit { putString(keyWorkedGrids, array.toString()) }
    }

+    // Confirmed satellite QSOs per worked gridsquare, persisted as a single JSON
+    // object: {"OL62":[{"c":call,"t":epochMs,"s":sat,"m":mode,"bu":up,"bd":down}]}.
+    private val keyWorkedGridQsos = "workedGridQsos"
+
+    override fun getWorkedGridQsos(): Map<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>> {
+        val json = preferences.getString(keyWorkedGridQsos, null).orEmpty()
+        if (json.isBlank()) return emptyMap()
+        return try {
+            val root = org.json.JSONObject(json)
+            val result = mutableMapOf<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>>()
+            for (grid in root.keys()) {
+                val array = root.optJSONArray(grid) ?: continue
+                val list = (0 until array.length()).mapNotNull { i ->
+                    val o = array.optJSONObject(i) ?: return@mapNotNull null
+                    com.rtbishop.look4sat.core.domain.model.GridQso(
+                        call = o.optString("c"),
+                        epochMs = o.optLong("t"),
+                        satName = o.optString("s"),
+                        mode = o.optString("m"),
+                        bandUp = o.optString("bu"),
+                        bandDown = o.optString("bd"),
+                        // New award fields: absent in pre-award data -> null.
+                        dxcc = o.optInt("dx", 0).takeIf { it > 0 },
+                        country = o.optString("cty").ifBlank { null },
+                        cqz = o.optInt("cq", 0).takeIf { it > 0 },
+                        state = o.optString("st").ifBlank { null }
+                    )
+                }
+                if (list.isNotEmpty()) result[grid] = list
+            }
+            result
+        } catch (_: Exception) {
+            emptyMap()
+        }
+    }
+
+    override fun setWorkedGridQsos(qsos: Map<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>>) {
+        val root = org.json.JSONObject()
+        for ((grid, list) in qsos) {
+            val array = org.json.JSONArray()
+            for (q in list) {
+                array.put(
+                    org.json.JSONObject()
+                        .put("c", q.call)
+                        .put("t", q.epochMs)
+                        .put("s", q.satName)
+                        .put("m", q.mode)
+                        .put("bu", q.bandUp)
+                        .put("bd", q.bandDown)
+                        .put("dx", q.dxcc ?: 0)
+                        .put("cty", q.country ?: "")
+                        .put("cq", q.cqz ?: 0)
+                        .put("st", q.state ?: "")
+                )
+            }
+            root.put(grid, array)
+        }
+        preferences.edit { putString(keyWorkedGridQsos, root.toString()) }
+    }
+
    // LoTW credentials (stored locally on the device only)
    private val keyLoTWCall = "lotwCallsign"
    private val keyLoTWPass = "lotwPassword"
@@ -66,16 +66,18 @@ class UpdateRepository(
            .replace("&lt;", "<").replace("&gt;", ">").replace("&amp;", "&")
            .replace("&quot;", "\"").replace("&#39;", "'")
            .trim()
-        // The release APK asset follows the fixed naming scheme used by the build:
-        // Look4Sat-<tag without leading v>-release.apk. When the page was fetched
+        // The release APK asset naming: Look4Sat-<tag without leading v>.apk
+        // (since v4.4.6-ba7opf.9.9 the releases are uploaded with the bare
+        // versioned filename, no "-release" suffix). When the page was fetched
        // through an accelerator mirror (https://<mirror>/https://github.com/...),
        // download through the same mirror — raw github.com is unreachable on the
        // networks that needed the mirror in the first place.
        val mirrorPrefix = sourceUrl.substringBefore("https://github.com")
+        val apkName = "Look4Sat-${tag.removePrefix("v")}.apk"
        val apkUrl = if (mirrorPrefix.isEmpty()) {
-            "$DOWNLOAD_BASE_URL/$tag/Look4Sat-${tag.removePrefix("v")}-release.apk"
+            "$DOWNLOAD_BASE_URL/$tag/$apkName"
        } else {
-            "${mirrorPrefix}https://github.com/atsunatsu/Look4Sat/releases/download/$tag/Look4Sat-${tag.removePrefix("v")}-release.apk"
+            "${mirrorPrefix}https://github.com/atsunatsu/Look4Sat/releases/download/$tag/$apkName"
        }
        return LatestRelease(
            versionTag = tag,
@@ -19,6 +19,7 @@ package com.rtbishop.look4sat.core.data.repository

 import com.rtbishop.look4sat.core.domain.model.DataSourcesSettings
 import com.rtbishop.look4sat.core.domain.model.DatabaseState
+import com.rtbishop.look4sat.core.domain.model.GridQso
 import com.rtbishop.look4sat.core.domain.model.OtherSettings
 import com.rtbishop.look4sat.core.domain.model.PassesSettings
 import com.rtbishop.look4sat.core.domain.model.RCSettings
@@ -214,7 +215,10 @@ private class FakeSettingsRepo(dataSources: DataSourcesSettings = defaultDataSou
    )

    override val otherSettings: StateFlow<OtherSettings> = MutableStateFlow(
-        OtherSettings(false, false, false, false, false, false, false, false)
+        OtherSettings(
+            false, false, false, false, false, false, false,
+            shouldSeeWarning = false, shouldSeeWhatsNew = false
+        )
    )

    override val dataSourcesSettings: MutableStateFlow<DataSourcesSettings> = MutableStateFlow(dataSources)
@@ -270,6 +274,28 @@ private class FakeSettingsRepo(dataSources: DataSourcesSettings = defaultDataSou
    override fun getAmSatCallsign(): String = ""

    override fun setAmSatCallsign(callsign: String) = Unit
+
+    override val wavelogSettings: StateFlow<com.rtbishop.look4sat.core.domain.model.WavelogSettings> =
+        MutableStateFlow(com.rtbishop.look4sat.core.domain.model.WavelogSettings())
+
+    override fun updateWavelogSettings(settings: com.rtbishop.look4sat.core.domain.model.WavelogSettings) = Unit
+
+    override fun getWorkedGrids(): Set<String> = emptySet()
+
+    private val workedGrids = MutableStateFlow(emptySet<String>())
+
+    override fun setWorkedGrids(grids: Set<String>) {
+        workedGrids.value = grids
+    }
+
+    override val lotwSettings: StateFlow<com.rtbishop.look4sat.core.domain.model.LoTWSettings> =
+        MutableStateFlow(com.rtbishop.look4sat.core.domain.model.LoTWSettings())
+
+    override fun updateLoTWSettings(settings: com.rtbishop.look4sat.core.domain.model.LoTWSettings) = Unit
+
+    override fun getWorkedGridQsos(): Map<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>> = emptyMap()
+
+    override fun setWorkedGridQsos(qsos: Map<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>>) = Unit
 }

 private fun defaultDataSourcesSettings(): DataSourcesSettings {
@@ -0,0 +1,216 @@
+package com.rtbishop.look4sat.core.data.repository
+
+import com.rtbishop.look4sat.core.domain.repository.LoTWResult
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Test
+
+class LoTWRepositoryTest {
+
+    private val repo = LoTWRepository()
+
+    private fun report(vararg records: String): String =
+        buildString {
+            append("<ADIF_VERS:5>3.1.4\n")
+            append("<PROGRAMID:8>look4sat\n")
+            append("<eoh>\n")
+            records.forEach { append(it).append("\n") }
+        }
+
+    @Test
+    fun parseRejectsBodyWithoutEoh() {
+        assertNull(repo.parseConfirmedGrids("<HTML>Username/password incorrect</HTML>"))
+    }
+
+    @Test
+    fun parseCollectsOnlySatelliteGrids() {
+        // Satellite QSO: PROP_MODE SAT, confirmed, opponent grid.
+        val satQso = "<CALL:6>BA7OPF\n" +
+            "<QSO_DATE:8>20260820\n" +
+            "<PROP_MODE:3>SAT\n" +
+            "<SAT_NAME:5>FO-29\n" +
+            "<GRIDSQUARE:4>NL47\n" +
+            "<EOR>\n"
+        // Ground QSO: same grid but no PROP_MODE -> must be excluded.
+        val groundQso = "<CALL:6>BA7OPF\n" +
+            "<QSO_DATE:8>20260821\n" +
+            "<GRIDSQUARE:4>NL47\n" +
+            "<EOR>\n"
+        val result = repo.parseConfirmedGrids(report(satQso, groundQso))
+        assertEquals(setOf("NL47"), result)
+    }
+
+    @Test
+    fun parseSupportsVuccGridPairsAndSixCharGrids() {
+        val satQso = "<PROP_MODE:3>SAT\n" +
+            "<SAT_NAME:5>SO-50\n" +
+            "<GRIDSQUARE:6>OM60IL\n" +
+            "<VUCC_GRIDS:11>EN52en,EN53fa\n" +
+            "<EOR>\n"
+        val result = repo.parseConfirmedGrids(report(satQso))
+        assertEquals(setOf("OM60", "EN52", "EN53"), result)
+    }
+
+    @Test
+    fun parsePropModeDoesNotLeakAcrossRecords() {
+        // PROP_MODE SAT record first, then a ground QSO with a grid — the second
+        // record must not inherit the satellite flag after its own <EOR>.
+        val satQso = "<PROP_MODE:3>SAT\n<GRIDSQUARE:4>OL62\n<EOR>\n"
+        val groundQso = "<GRIDSQUARE:4>PM00\n<EOR>\n"
+        val result = repo.parseConfirmedGrids(report(satQso, groundQso))
+        assertEquals(setOf("OL62"), result)
+    }
+
+    @Test
+    fun parseReturnsEmptySetForReportWithoutGrids() {
+        val satQso = "<PROP_MODE:3>SAT\n<SAT_NAME:5>AO-07\n<EOR>\n"
+        assertEquals(emptySet<String>(), repo.parseConfirmedGrids(report(satQso)))
+    }
+
+    // region parseConfirmedGridQsos
+
+    private val satQsoFull = "<CALL:5>A50QO\n" +
+        "<QSO_DATE:8>20260820\n" +
+        "<TIME_ON:6>113045\n" +
+        "<PROP_MODE:3>SAT\n" +
+        "<SAT_NAME:5>FO-29\n" +
+        "<MODE:2>CW\n" +
+        "<BAND:3>70CM\n" +
+        "<BAND_RX:3>2M\n" +
+        "<GRIDSQUARE:4>NL47\n" +
+        "<EOR>\n"
+
+    @Test
+    fun parseQsosExtractsSatelliteDetail() {
+        val result = repo.parseConfirmedGridQsos(report(satQsoFull))!!
+        val qsos = result["NL47"]!!
+        assertEquals(1, qsos.size)
+        val qso = qsos[0]
+        assertEquals("A50QO", qso.call)
+        assertEquals("FO-29", qso.satName)
+        assertEquals("CW", qso.mode)
+        assertEquals("2M", qso.bandUp)
+        assertEquals("70CM", qso.bandDown)
+        assertEquals("V/U", qso.bandLabel)
+        assertEquals(2026, java.time.Instant.ofEpochMilli(qso.epochMs).atZone(java.time.ZoneOffset.UTC).year)
+    }
+
+    @Test
+    fun parseQsosExcludesGroundQsos() {
+        val groundQso = "<CALL:6>BA7OPF\n<QSO_DATE:8>20260821\n<GRIDSQUARE:4>NL47\n<EOR>\n"
+        val result = repo.parseConfirmedGridQsos(report(satQsoFull, groundQso))!!
+        assertEquals(1, result["NL47"]!!.size)
+    }
+
+    @Test
+    fun parseQsosVuccPairFeedsBothGrids() {
+        val qso = "<PROP_MODE:3>SAT\n<SAT_NAME:5>SO-50\n" +
+            "<QSO_DATE:8>20260819\n<TIME_ON:4>1231\n" +
+            "<VUCC_GRIDS:11>EN52en,EN53fa\n<EOR>\n"
+        val result = repo.parseConfirmedGridQsos(report(qso))!!
+        assertEquals(setOf("EN52", "EN53"), result.keys)
+        assertEquals(result["EN52"]!!.first(), result["EN53"]!!.first())
+    }
+
+    @Test
+    fun parseQsosVuccQuadrupleFeedsAllFourGrids() {
+        // VUCC allows up to four grids in one contact.
+        val qso = "<PROP_MODE:3>SAT\n<SAT_NAME:5>SO-50\n" +
+            "<QSO_DATE:8>20260819\n<TIME_ON:4>1231\n" +
+            "<VUCC_GRIDS:23>EN52en,EN53fa,EN42gj,EN43kh\n<EOR>\n"
+        val result = repo.parseConfirmedGridQsos(report(qso))!!
+        assertEquals(setOf("EN52", "EN53", "EN42", "EN43"), result.keys)
+        result.values.forEach { assertEquals(1, it.size) }
+    }
+
+    @Test
+    fun parseQsosRejectsBodyWithoutEoh() {
+        assertNull(repo.parseConfirmedGridQsos("<HTML>Username/password incorrect</HTML>"))
+    }
+
+    // endregion
+
+    // region failure classification (fetchReportBody -> LoTWResult mapping)
+
+    @Test
+    fun failureClassificationMapsEachException() {
+        // LoTWRepository.toResult() must keep each failure cause distinct so
+        // the UI can show a specific message per cause.
+        assertEquals(
+            LoTWResult.BadCredentials,
+            repo.toResult(LoTWRepository.CredentialsException())
+        )
+        assertEquals(
+            LoTWResult.RateLimited,
+            repo.toResult(LoTWRepository.RateLimitException())
+        )
+        assertEquals(
+            LoTWResult.Timeout,
+            repo.toResult(LoTWRepository.TimeoutException("read timed out"))
+        )
+        val net = repo.toResult(java.io.IOException("HTTP 500"))
+        assertEquals(LoTWResult.NetworkError("HTTP 500"), net)
+    }
+
+
+    @Test
+    fun parseQsosExtractsAwardFields() {
+        // Award statistics rely on the DXCC/CQZ/STATE fields coming straight
+        // from LoTW's qso_qsldetail report (STATE depends on DXCC). LoTW
+        // writes STATE as "CODE // NAME" (verified with a real report 2026-09);
+        // the parser must strip the name suffix and keep the bare code.
+        val qso = "<CALL:5>BG7XYZ\n" +
+            "<QSO_DATE:8>20260820\n<TIME_ON:4>1130\n" +
+            "<PROP_MODE:3>SAT\n<SAT_NAME:5>FO-29\n<MODE:2>CW\n" +
+            "<DXCC:3>318\n<COUNTRY:5>CHINA\n<CQZ:2>24\n<STATE:13>GD // Guangdong\n" +
+            "<GRIDSQUARE:4>OL62\n<EOR>\n"
+        val result = repo.parseConfirmedGridQsos(report(qso))!!
+        val parsed = result["OL62"]!!.first()
+        assertEquals(318, parsed.dxcc)
+        assertEquals("CHINA", parsed.country)
+        assertEquals(24, parsed.cqz)
+        assertEquals("GD", parsed.state)
+    }
+
+    @Test
+    fun parseQsosStripsStateNameSuffixForAllEntities() {
+        // Japan prefecture: "34 // Tottori-ken" -> "34" (WAJA matching needs
+        // the 2-digit code). US states also arrive as "CODE // Name".
+        val jp = "<CALL:5>JH0ABC\n<QSO_DATE:8>20260820\n<TIME_ON:4>1130\n" +
+            "<PROP_MODE:3>SAT\n<SAT_NAME:5>RS-44\n<DXCC:3>339\n<COUNTRY:7>JAPAN\n" +
+            "<STATE:18>34 // Tottori-ken\n<GRIDSQUARE:4>PM95\n<EOR>\n"
+        val us = "<CALL:5>K1ABC\n<QSO_DATE:8>20260820\n<TIME_ON:4>1130\n" +
+            "<PROP_MODE:3>SAT\n<SAT_NAME:5>AO-07\n<DXCC:3>291\n<COUNTRY:12>UNITED STATES\n" +
+            "<STATE:22>CA // California\n<GRIDSQUARE:4>EM40\n<EOR>\n"
+        val result = repo.parseConfirmedGridQsos(report(jp, us))!!
+        assertEquals("34", result["PM95"]!!.first().state)
+        assertEquals("CA", result["EM40"]!!.first().state)
+    }
+
+    @Test
+    fun parseQsosLeavesAwardFieldsNullWhenAbsent() {
+        val qso = "<CALL:5>JH0ABC\n<QSO_DATE:8>20260820\n<TIME_ON:4>1130\n" +
+            "<PROP_MODE:3>SAT\n<SAT_NAME:5>RS-44\n<GRIDSQUARE:4>PM95\n<EOR>\n"
+        val result = repo.parseConfirmedGridQsos(report(qso))!!
+        val parsed = result["PM95"]!!.first()
+        assertNull(parsed.dxcc)
+        assertNull(parsed.country)
+        assertNull(parsed.cqz)
+        assertNull(parsed.state)
+    }
+
+    @Test
+    fun parseQsosAwardFieldsDoNotLeakAcrossRecords() {
+        val withFields = "<CALL:5>BG7AAA\n<QSO_DATE:8>20260820\n<TIME_ON:4>1130\n" +
+            "<PROP_MODE:3>SAT\n<SAT_NAME:5>FO-29\n<DXCC:3>318\n<CQZ:2>24\n<STATE:2>GD\n" +
+            "<GRIDSQUARE:4>OL62\n<EOR>\n"
+        val withoutFields = "<CALL:5>JH0BBB\n<QSO_DATE:8>20260821\n<TIME_ON:4>1130\n" +
+            "<PROP_MODE:3>SAT\n<SAT_NAME:5>RS-44\n<GRIDSQUARE:4>PM95\n<EOR>\n"
+        val result = repo.parseConfirmedGridQsos(report(withFields, withoutFields))!!
+        assertNull(result["PM95"]!!.first().dxcc)
+        assertNull(result["PM95"]!!.first().cqz)
+        assertNull(result["PM95"]!!.first().state)
+    }
+
+    // endregion
+}
@@ -0,0 +1,194 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2026 Arty Bishop and contributors.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.core.domain.model
+
+/**
+ * Award progress computed from the confirmed-QSO store.
+ *
+ * @param type      which award
+ * @param workedKeys matching keys for the boundary assets: each is compared
+ *                   against the region "code" field of the award's GeoJSON
+ *                   (e.g. WAPC -> "GD", WAJA -> "34", WAZ -> "24",
+ *                   WAS -> "CA", DXCC -> "318", VUCC -> "OL62").
+ * @param count     distinct worked units (grids / entities / provinces / ...)
+ * @param target    units required for the award
+ */
+data class AwardProgress(
+    val type: AwardType,
+    val workedKeys: Set<String>,
+    val count: Int,
+    val target: Int
+)
+
+enum class AwardType { DXCC, VUCC, WAPC, WAJA, WAZ, WAS }
+
+object AwardTargets {
+    const val DXCC = 100
+    const val VUCC = 100
+    const val WAPC = 34
+    const val WAJA = 47
+    const val WAZ = 40
+    const val WAS = 50
+}
+
+/**
+ * Derives six-award progress from the confirmed QSO store.
+ *
+ * Award rules (ADIF / award-program semantics):
+ *  - VUCC: distinct 4-char gridsquares.
+ *  - DXCC: distinct ARRL DXCC entities (from the QSO's dxcc field; falls back
+ *    to a callsign-prefix guess when LoTW omitted it).
+ *  - WAPC: distinct Chinese provinces (31 mainland STATE codes) plus the
+ *    Hong Kong / Macao / Taiwan entities (counted as their own provinces).
+ *  - WAJA: distinct Japanese prefectures (STATE code "01".."47").
+ *  - WAZ: distinct CQ zones.
+ *  - WAS: distinct US states (STATE abbreviations).
+ *
+ * The ADIF STATE field's meaning depends on the DXCC entity
+ * ("STATE depends on DXCC"), so every QSO is first classified by entity.
+ */
+object AwardCalculator {
+
+    fun calculate(qsosByGrid: Map<String, List<GridQso>>): List<AwardProgress> {
+        val all = qsosByGrid.values.flatten()
+        return listOf(
+            AwardProgress(
+                AwardType.VUCC,
+                workedKeys = qsosByGrid.keys,
+                count = qsosByGrid.size,
+                target = AwardTargets.VUCC
+            ),
+            calculateDxcc(all),
+            calculateWapc(all),
+            calculateWaja(all),
+            calculateWaz(all),
+            calculateWas(all)
+        )
+    }
+
+    private fun calculateDxcc(all: List<GridQso>): AwardProgress {
+        val keys = mutableSetOf<String>()
+        for (q in all) {
+            val code = q.dxcc ?: prefixEntityCode(q.call)
+            if (code != null) keys.add(code.toString())
+        }
+        return AwardProgress(AwardType.DXCC, keys, keys.size, AwardTargets.DXCC)
+    }
+
+    private fun calculateWapc(all: List<GridQso>): AwardProgress {
+        val keys = mutableSetOf<String>()
+        for (q in all) {
+            when (entityOf(q)) {
+                Entity.CHINA -> q.state?.trim()?.uppercase()?.takeIf { it in CN_STATES }?.let { keys.add(it) }
+                Entity.HONG_KONG -> keys.add(HK_CODE)
+                Entity.MACAO -> keys.add(MO_CODE)
+                Entity.TAIWAN -> keys.add(TW_CODE)
+                else -> {}
+            }
+        }
+        return AwardProgress(AwardType.WAPC, keys, keys.size, AwardTargets.WAPC)
+    }
+
+    private fun calculateWaja(all: List<GridQso>): AwardProgress {
+        val keys = mutableSetOf<String>()
+        for (q in all) {
+            if (entityOf(q) != Entity.JAPAN) continue
+            q.state?.trim()?.takeIf { it.length == 2 && it.all(Char::isDigit) }?.let { keys.add(it) }
+        }
+        return AwardProgress(AwardType.WAJA, keys, keys.size, AwardTargets.WAJA)
+    }
+
+    private fun calculateWaz(all: List<GridQso>): AwardProgress {
+        val keys = mutableSetOf<String>()
+        for (q in all) {
+            q.cqz?.takeIf { it in 1..40 }?.let { keys.add(it.toString()) }
+        }
+        return AwardProgress(AwardType.WAZ, keys, keys.size, AwardTargets.WAZ)
+    }
+
+    private fun calculateWas(all: List<GridQso>): AwardProgress {
+        val keys = mutableSetOf<String>()
+        for (q in all) {
+            if (entityOf(q) != Entity.USA) continue
+            q.state?.trim()?.uppercase()?.takeIf { it in US_STATES }?.let { keys.add(it) }
+        }
+        return AwardProgress(AwardType.WAS, keys, keys.size, AwardTargets.WAS)
+    }
+
+    private enum class Entity { CHINA, HONG_KONG, MACAO, TAIWAN, JAPAN, USA, OTHER }
+
+    private fun entityOf(q: GridQso): Entity = when (q.dxcc) {
+        318 -> Entity.CHINA
+        321 -> Entity.HONG_KONG
+        330 -> Entity.MACAO
+        386 -> Entity.TAIWAN
+        339 -> Entity.JAPAN
+        291 -> Entity.USA
+        else -> prefixEntity(q.call)
+    }
+
+    /** Coarse entity from callsign prefix, used when LoTW omitted the DXCC field. */
+    private fun prefixEntity(call: String): Entity {
+        val c = call.uppercase().substringBefore('/')
+        return when {
+            CN_PREFIXES.any { c.startsWith(it) } -> Entity.CHINA
+            c.startsWith("VR") -> Entity.HONG_KONG
+            c.startsWith("XX9") -> Entity.MACAO
+            TW_PREFIXES.any { c.startsWith(it) } -> Entity.TAIWAN
+            JP_PREFIXES.any { c.startsWith(it) } -> Entity.JAPAN
+            US_PREFIXES.any { c.startsWith(it) } -> Entity.USA
+            else -> Entity.OTHER
+        }
+    }
+
+    /** ARRL DXCC entity code guessed from callsign prefix (very coarse). */
+    private fun prefixEntityCode(call: String): Int? {
+        return when (prefixEntity(call)) {
+            Entity.CHINA -> 318
+            Entity.HONG_KONG -> 321
+            Entity.MACAO -> 330
+            Entity.TAIWAN -> 386
+            Entity.JAPAN -> 339
+            Entity.USA -> 291
+            else -> null
+        }
+    }
+
+    private val CN_PREFIXES = listOf("BA", "BD", "BG", "BH", "BI", "BY", "BJ", "BK", "BL", "BQ", "BR", "BS")
+    private val TW_PREFIXES = listOf("BM", "BV", "BU", "BW", "BX", "BN", "BO", "BT", "BZ")
+    private val JP_PREFIXES =
+        listOf("7J", "7K", "7L", "7M", "7N") + ('A'..'Z').map { "J$it" }
+    private val US_PREFIXES =
+        listOf("AA", "AB", "AC", "AD", "AE", "AF", "AG", "AH", "AI", "AJ", "AK", "AL", "K", "N", "W")
+
+    private val CN_STATES = setOf(
+        "AH", "BJ", "CQ", "FJ", "GD", "GS", "GX", "GZ", "HA", "HB", "HE", "HI", "HL", "HN", "JL",
+        "JS", "JX", "LN", "NM", "NX", "QH", "SC", "SD", "SH", "SN", "SX", "TJ", "XJ", "XZ", "YN", "ZJ"
+    )
+
+    private val US_STATES = setOf(
+        "AL", "AK", "AZ", "AR", "CA", "CO", "CT", "DE", "FL", "GA", "HI", "ID", "IL", "IN", "IA",
+        "KS", "KY", "LA", "ME", "MD", "MA", "MI", "MN", "MS", "MO", "MT", "NE", "NV", "NH", "NJ",
+        "NM", "NY", "NC", "ND", "OH", "OK", "OR", "PA", "RI", "SC", "SD", "TN", "TX", "UT", "VT",
+        "VA", "WA", "WV", "WI", "WY"
+    )
+
+    private const val HK_CODE = "HK"
+    private const val MO_CODE = "MO"
+    private const val TW_CODE = "TW"
+}
@@ -0,0 +1,76 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2026 Arty Bishop and contributors.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.core.domain.model
+
+/**
+ * One confirmed satellite QSO as reported by LoTW, kept per worked gridsquare
+ * so the map can show, for any worked grid, which callsigns were worked there
+ * and when.
+ *
+ * @param call      opposite station callsign (as logged by the opposite op)
+ * @param epochMs   QSO date+time in UTC milliseconds
+ * @param satName   satellite name (e.g. "FO-29")
+ * @param mode      ADIF mode (FM / CW / SSB ...)
+ * @param bandUp    uplink band as reported by LoTW (BAND_RX: "70CM", "2M", "10M"...)
+ * @param bandDown  downlink band (BAND: "2M", "70CM"...) — may be empty when
+ *                  LoTW did not include it
+ * @param dxcc      ARRL DXCC entity code of the opposite station (from ADIF
+ *                  <DXCC>), or null when LoTW omitted it
+ * @param country   DXCC entity name (ADIF <COUNTRY>), or null
+ * @param cqz       CQ zone of the opposite station (ADIF <CQZ>), or null
+ * @param state     Primary administrative subdivision of the opposite station
+ *                  (ADIF <STATE>). Interpretation depends on the DXCC entity:
+ *                  China -> province code ("GD"), Japan -> prefecture number
+ *                  ("34"), USA -> state abbreviation ("CA"). Null when absent.
+ */
+data class GridQso(
+    val call: String,
+    val epochMs: Long,
+    val satName: String,
+    val mode: String,
+    val bandUp: String,
+    val bandDown: String,
+    val dxcc: Int? = null,
+    val country: String? = null,
+    val cqz: Int? = null,
+    val state: String? = null
+) {
+    /** Short uplink/downlink band label ("U/V", "V/A"), or "" when unknown. */
+    val bandLabel: String
+        get() {
+            val up = bandAbbrev(bandUp)
+            val down = bandAbbrev(bandDown)
+            return when {
+                up.isNotEmpty() && down.isNotEmpty() -> "$up/$down"
+                up.isNotEmpty() -> up
+                else -> ""
+            }
+        }
+
+    private fun bandAbbrev(band: String): String = when (band.trim().uppercase()) {
+        "70CM" -> "U"
+        "2M" -> "V"
+        "10M" -> "A"
+        "6M" -> "V"
+        "1.2G" -> "L"
+        "2.4G" -> "S"
+        "23CM" -> "L"
+        "13CM" -> "S"
+        else -> band.trim().uppercase()
+    }
+}
@@ -22,7 +22,17 @@ interface ILoTWRepository {

    /**
     * Fetch all confirmed (QSL_RCVD=Y) gridsquares for the given LoTW account.
-     * Returns the 4-char grid set, or null on any failure (network / bad credentials).
+     * Returns the 4-char grid set with an explicit failure cause on error.
     */
-    suspend fun fetchConfirmedGrids(callsign: String, password: String): Set<String>?
+    suspend fun fetchConfirmedGrids(callsign: String, password: String): LoTWResult
+
+    /**
+     * Same report, but keeps the per-QSO detail of every confirmed satellite
+     * QSO (call / time / satellite / mode / bands), grouped by worked 4-char
+     * gridsquare. Failure cause is kept explicit.
+     */
+    suspend fun fetchConfirmedGridQsos(
+        callsign: String,
+        password: String
+    ): LoTWResult
 }
@@ -99,6 +99,9 @@ interface ISettingsRepo {
    fun updateWavelogSettings(settings: WavelogSettings)
    fun getWorkedGrids(): Set<String>
    fun setWorkedGrids(grids: Set<String>)
+    /** Confirmed satellite QSOs grouped by worked 4-char gridsquare (map tap detail). */
+    fun getWorkedGridQsos(): Map<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>>
+    fun setWorkedGridQsos(qsos: Map<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>>)
    //endregion

    //region # LoTW confirmed-grids settings
@@ -0,0 +1,45 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2026 Arty Bishop and contributors.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.core.domain.repository
+
+/** Result of a LoTW report fetch, with the failure cause kept explicit. */
+sealed class LoTWResult {
+
+    /** Report downloaded and parsed successfully. */
+    data class Success(
+        val grids: Set<String>,
+        val qsos: Map<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>>
+    ) : LoTWResult()
+
+    /** HTTP 200 but LoTW replied with its login-error page (bad callsign/password). */
+    data object BadCredentials : LoTWResult()
+
+    /**
+     * Report endpoint refused the request without a usable error page. LoTW
+     * limits downloads to one in progress per user id and flags accounts that
+     * pull the full report too often; the server answers those with a bare
+     * non-ADIF body (no <eoh>).
+     */
+    data object RateLimited : LoTWResult()
+
+    /** Connect/read timed out — typically a slow route to the ARRL servers. */
+    data object Timeout : LoTWResult()
+
+    /** Any other network-level failure (DNS, TLS, connection reset, HTTP 5xx). */
+    data class NetworkError(val detail: String) : LoTWResult()
+}
@@ -0,0 +1,155 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2026 Arty Bishop and contributors.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.core.domain.model
+
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class AwardCalculatorTest {
+
+    private fun qso(
+        call: String,
+        dxcc: Int? = null,
+        cqz: Int? = null,
+        state: String? = null,
+        grid: String = "OL62"
+    ) = GridQso(
+        call = call, epochMs = 0L, satName = "SO-50", mode = "FM",
+        bandUp = "70CM", bandDown = "2M", dxcc = dxcc, cqz = cqz, state = state
+    )
+
+    private fun byGrid(vararg qsos: GridQso) =
+        qsos.groupBy { "OL62" } // all share one grid for award-math tests
+
+    @Test
+    fun `vucc counts distinct grid keys`() {
+        val qsos = mapOf(
+            "OL62" to listOf(qso("BG7XYZ")),
+            "PM95" to listOf(qso("JH0ABC")),
+            "OL62" to listOf(qso("BA7AAA"))
+        )
+        // map literal dedupes keys: OL62/PM95 -> 2 grids
+        val progress = AwardCalculator.calculate(qsos).first { it.type == AwardType.VUCC }
+        assertEquals(2, progress.count)
+        assertTrue(progress.workedKeys.containsAll(setOf("OL62", "PM95")))
+    }
+
+    @Test
+    fun `dxcc counts distinct entities from dxcc field`() {
+        val all = listOf(
+            qso("BG7XYZ", dxcc = 318),
+            qso("JH0ABC", dxcc = 339),
+            qso("YD1XYZ", dxcc = 327),
+            qso("BG7ABC", dxcc = 318)
+        )
+        val progress = AwardCalculator.calculate(byGrid(*all.toTypedArray())).first { it.type == AwardType.DXCC }
+        assertEquals(3, progress.count)
+        assertTrue(progress.workedKeys.containsAll(setOf("318", "339", "327")))
+    }
+
+    @Test
+    fun `dxcc falls back to prefix when dxcc missing`() {
+        val all = listOf(qso("JH0ABC"), qso("BG7XYZ"), qso("VR2XYZ"))
+        val progress = AwardCalculator.calculate(byGrid(*all.toTypedArray())).first { it.type == AwardType.DXCC }
+        assertEquals(3, progress.count)
+        assertTrue(progress.workedKeys.containsAll(setOf("339", "318", "321")))
+    }
+
+    @Test
+    fun `wapc counts mainland provinces plus hk mo tw`() {
+        val all = listOf(
+            qso("BG7XYZ", dxcc = 318, state = "GD"),   // Guangdong
+            qso("BD5ABC", dxcc = 318, state = "ZJ"),   // Zhejiang
+            qso("BD5ABC", dxcc = 318, state = "ZJ"),   // dup
+            qso("VR2X", dxcc = 321),                   // Hong Kong
+            qso("XX9A", dxcc = 330),                   // Macao
+            qso("BM4X", dxcc = 386)                    // Taiwan
+        )
+        val progress = AwardCalculator.calculate(byGrid(*all.toTypedArray())).first { it.type == AwardType.WAPC }
+        assertEquals(5, progress.count)
+        assertTrue(progress.workedKeys.containsAll(setOf("GD", "ZJ", "HK", "MO", "TW")))
+    }
+
+    @Test
+    fun `wapc ignores non-china states and missing states`() {
+        val all = listOf(
+            qso("JH0ABC", dxcc = 339, state = "34"),   // Japan state ignored
+            qso("BG7XYZ", dxcc = 318, state = null),   // missing province
+            qso("K1ABC", dxcc = 291, state = "HI")     // Hawaii != Hainan
+        )
+        val progress = AwardCalculator.calculate(byGrid(*all.toTypedArray())).first { it.type == AwardType.WAPC }
+        assertEquals(0, progress.count)
+        assertTrue(progress.workedKeys.isEmpty())
+    }
+
+    @Test
+    fun `waja counts japanese prefectures only`() {
+        val all = listOf(
+            qso("JH0ABC", dxcc = 339, state = "10"),   // Tokyo
+            qso("JH0ABC", dxcc = 339, state = "47"),   // Okinawa
+            qso("JH0ABC", dxcc = 339, state = "10"),   // dup
+            qso("BG7XYZ", dxcc = 318, state = "10"),   // Chinese call, state=10 must NOT count
+            qso("JE2XYZ", dxcc = 339, state = null)    // missing
+        )
+        val progress = AwardCalculator.calculate(byGrid(*all.toTypedArray())).first { it.type == AwardType.WAJA }
+        assertEquals(2, progress.count)
+        assertTrue(progress.workedKeys.containsAll(setOf("10", "47")))
+    }
+
+    @Test
+    fun `waz counts distinct cq zones in range`() {
+        val all = listOf(
+            qso("BG7XYZ", cqz = 24),
+            qso("JH0ABC", cqz = 25),
+            qso("YD1XYZ", cqz = 28),
+            qso("BG7AAA", cqz = 24),
+            qso("BG7BBB", cqz = null),
+            qso("BG7CCC", cqz = 0)
+        )
+        val progress = AwardCalculator.calculate(byGrid(*all.toTypedArray())).first { it.type == AwardType.WAZ }
+        assertEquals(3, progress.count)
+        assertTrue(progress.workedKeys.containsAll(setOf("24", "25", "28")))
+    }
+
+    @Test
+    fun `was counts us states only`() {
+        val all = listOf(
+            qso("K1ABC", dxcc = 291, state = "CA"),
+            qso("W2XYZ", dxcc = 291, state = "NY"),
+            qso("N3QRS", dxcc = 291, state = "ca"),    // lowercase normalized
+            qso("BG7XYZ", dxcc = 318, state = "CA"),   // not US
+            qso("K1AAA", dxcc = 291, state = "XX")     // invalid state
+        )
+        val progress = AwardCalculator.calculate(byGrid(*all.toTypedArray())).first { it.type == AwardType.WAS }
+        assertEquals(2, progress.count)
+        assertTrue(progress.workedKeys.containsAll(setOf("CA", "NY")))
+    }
+
+    @Test
+    fun `all six awards present with correct targets`() {
+        val progress = AwardCalculator.calculate(emptyMap())
+        assertEquals(6, progress.size)
+        assertEquals(100, progress.first { it.type == AwardType.DXCC }.target)
+        assertEquals(100, progress.first { it.type == AwardType.VUCC }.target)
+        assertEquals(34, progress.first { it.type == AwardType.WAPC }.target)
+        assertEquals(47, progress.first { it.type == AwardType.WAJA }.target)
+        assertEquals(40, progress.first { it.type == AwardType.WAZ }.target)
+        assertEquals(50, progress.first { it.type == AwardType.WAS }.target)
+    }
+}
@@ -210,12 +210,20 @@ fun RowScope.NextPassRow(pass: OrbitalPass, modifier: Modifier = Modifier, isUtc
 }

@Composable
-fun CardButton(onClick: () -> Unit, text: String, modifier: Modifier = Modifier) {
+fun CardButton(
+    onClick: () -> Unit,
+    text: String,
+    modifier: Modifier = Modifier,
+    isEnabled: Boolean = true
+) {
    ElevatedButton(
        onClick = onClick,
+        enabled = isEnabled,
        colors = ButtonDefaults.buttonColors(
            containerColor = MaterialTheme.colorScheme.surfaceVariant,
-            contentColor = MaterialTheme.colorScheme.onSurfaceVariant
+            contentColor = MaterialTheme.colorScheme.onSurfaceVariant,
+            disabledContainerColor = MaterialTheme.colorScheme.surfaceVariant,
+            disabledContentColor = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.4f)
        ),
        shape = MaterialTheme.shapes.small,
        modifier = modifier,
@@ -316,9 +324,21 @@ fun InfoDialog(

@Composable
 fun SharedDialog(
-    title: String, onCancel: () -> Unit, onAccept: () -> Unit, content: @Composable () -> Unit
+    title: String,
+    onCancel: () -> Unit,
+    onAccept: () -> Unit,
+    acceptText: String? = null,
+    acceptEnabled: Boolean = true,
+    content: @Composable () -> Unit
 ) {
-    SharedDialog(title = title, onDismissRequest = onCancel, onCancel = onCancel, onAccept = onAccept) { _ ->
+    SharedDialog(
+        title = title,
+        onDismissRequest = onCancel,
+        onCancel = onCancel,
+        onAccept = onAccept,
+        acceptText = acceptText,
+        acceptEnabled = acceptEnabled
+    ) { _ ->
        content()
    }
 }
@@ -329,6 +349,8 @@ fun SharedDialog(
    onDismissRequest: () -> Unit,
    onCancel: (() -> Unit)? = null,
    onAccept: (() -> Unit)? = null,
+    acceptText: String? = null,
+    acceptEnabled: Boolean = true,
    titleFontSize: Int = 16,
    titleTextAlign: TextAlign = if (onCancel != null && onAccept != null) TextAlign.Center else TextAlign.Start,
    content: @Composable (padding: Dp) -> Unit
@@ -356,7 +378,11 @@ fun SharedDialog(
                    .padding(horizontal = if (onCancel != null && onAccept != null) padding else 0.dp)
            )
            if (onAccept != null) {
-                CardButton(onClick = onAccept, text = stringResource(R.string.btn_accept))
+                CardButton(
+                    onClick = onAccept,
+                    text = acceptText ?: stringResource(R.string.btn_accept),
+                    isEnabled = acceptEnabled
+                )
            }
        }
        content(padding)
@@ -53,7 +53,8 @@ fun GridTargetChip(
    modifier: Modifier = Modifier
 ) {
    val configured = grid != null && distanceKm != null && bearingDeg != null
-    val accent = MaterialTheme.colorScheme.tertiaryContainer
+    // The app's signature accent yellow (MaterialTheme primary in both themes).
+    val accent = MaterialTheme.colorScheme.primary
    val placeholder = MaterialTheme.colorScheme.onSurfaceVariant
    Row(
        verticalAlignment = Alignment.CenterVertically,
@@ -83,13 +84,8 @@ fun GridTargetChip(
        Text(
            text = distanceKm?.let { "${"%,.0f".format(it)} km" } ?: "-- km",
            fontSize = 14.sp,
-            color = if (configured) Color.White else placeholder,
-            modifier = Modifier
-                .background(
-                    color = if (configured) MaterialTheme.colorScheme.onSurfaceVariant else Color.Transparent,
-                    shape = RoundedCornerShape(8.dp)
-                )
-                .padding(horizontal = 8.dp, vertical = 2.dp)
+            color = MaterialTheme.colorScheme.onSurface,
+            modifier = Modifier.padding(horizontal = 8.dp, vertical = 2.dp)
        )
    }
 }
@@ -107,6 +107,9 @@
    <!-- Map screen -->
    <string name="map_prev">上一个</string>
    <string name="map_next">下一个</string>
+    <string name="map_grid_mode">网格模式</string>
+    <string name="map_satellite_mode">卫星模式</string>
+    <string name="map_award_all">全部</string>
    <string name="map_azimuth">方位角：%.1f°</string>
    <string name="map_elevation">仰角：%.1f°</string>
    <string name="map_altitude">高度：%.0f km</string>
@@ -118,6 +121,10 @@
    <string name="map_period">周期：% .0f min</string>
    <string name="map_velocity">速度：%.2f km/s</string>
    <string name="map_visibility">能见度：%s</string>
+    <!-- Worked-grid QSO dialog -->
+    <string name="grid_qso_calls_count">%d 个呼号 · %d 次通联</string>
+    <string name="grid_qso_first">首通</string>
+    <string name="grid_qso_no_sat">卫星未知</string>
    <string name="map_visible">日照中</string>

    <!-- Settings screen -->
@@ -151,8 +158,8 @@
    <string name="prefs_lotw_title">LoTW 已确认网格</string>
    <string name="prefs_lotw_callsign">LoTW 呼号</string>
    <string name="prefs_lotw_password">LoTW 密码</string>
-    <string name="prefs_lotw_hint">直接从 ARRL LoTW 拉取已确认 QSO 的网格并与 Wavelog 网格合并（当前 %1$d 个）。密码仅保存在手机本地。填好直接点同步，会自动保存并拉取。</string>
-    <string name="prefs_lotw_sync">立即同步</string>
+    <string name="prefs_lotw_hint">直接从 ARRL LoTW 拉取该呼号已确认 QSO 的网格并覆盖本地已存集合（当前 %1$d 个）。密码仅保存在手机本地。点"同步"会自动保存凭据并拉取。</string>
+    <string name="prefs_lotw_sync">同步</string>
    <string name="prefs_lotw_syncing">同步中…</string>
    <string name="prefs_lotw_configured">已从 LoTW 同步 — 共 %1$d 个网格</string>
    <string name="prefs_lotw_not_configured">未配置 — 直接登录 ARRL LoTW 拉取已确认 QSO 的网格，无需自建服务器</string>
@@ -131,6 +131,9 @@
    <string name="map_prev">Prev</string>
    <string name="map_next">Next</string>
    <string name="map_copyright" translatable="false">© OpenStreetMap contributors</string>
+    <string name="map_grid_mode">Grid mode</string>
+    <string name="map_satellite_mode">Satellite mode</string>
+    <string name="map_award_all">All</string>
    <string name="map_azimuth">Azimuth: %.1f°</string>
    <string name="map_elevation">Elevation: %.1f°</string>
    <string name="map_altitude">Altitude: %.0f km</string>
@@ -143,6 +146,10 @@
    <string name="map_period">Period: %.0f min</string>
    <string name="map_velocity">Velocity: %.2f km/s</string>
    <string name="map_visibility">Visibility: %s</string>
+    <!-- Worked-grid QSO dialog -->
+    <string name="grid_qso_calls_count">%d callsigns · %d QSOs</string>
+    <string name="grid_qso_first">First</string>
+    <string name="grid_qso_no_sat">satellite unknown</string>
    <string name="map_visible">Visible</string>

    <!-- Settings screen -->
@@ -186,8 +193,8 @@
    <string name="prefs_lotw_title">LoTW confirmed grids</string>
    <string name="prefs_lotw_callsign">LoTW callsign</string>
    <string name="prefs_lotw_password">LoTW password</string>
-    <string name="prefs_lotw_hint">Fetch confirmed-QSO grids directly from ARRL LoTW and merge them with Wavelog grids (currently %1$d). The password is stored on this device only. Just tap Sync — credentials are saved automatically.</string>
-    <string name="prefs_lotw_sync">Sync now</string>
+    <string name="prefs_lotw_hint">Fetch confirmed-QSO grids directly from ARRL LoTW for this callsign and replace the stored set (currently %1$d). The password is stored on this device only. Tapping Sync saves the credentials and fetches in one step.</string>
+    <string name="prefs_lotw_sync">Sync</string>
    <string name="prefs_lotw_syncing">Syncing…</string>
    <string name="prefs_lotw_configured">Synced from LoTW — %1$d grids total</string>
    <string name="prefs_lotw_not_configured">Not configured — pull confirmed grids directly from ARRL LoTW, no self-hosted server needed</string>
@@ -0,0 +1 @@
+{"type":"dxcc","regions":[{"id":0,"code":176,"name":"Fiji","label_lon":177.9759,"label_lat":-17.9376,"rings":[[[180.0,-16.0671],[180.0,-16.5552],[179.3641,-16.8014],[178.7251,-17.012],[178.5968,-16.6392],[179.0966,-16.434],[179.4135,-16.3791]],[[178.1256,-17.5048],[178.3736,-17.3399],[178.7181,-17.6285],[178.5527,-18.1506],[177.9327,-18.288],[177.3815,-18.1643],[177.285,-17.7247],[177.6709,-17.3811]],[[-179.7933,-16.0209],[-179.9174,-16.5018],[-180.0,-16.5552],[-180.0,-16.0671]]]},{"id":1,"code":470,"name":"Tanzania","label_lon":34.1421,"label_lat":-6.2078,"rings":[[[33.9037,-0.95],[34.0726,-1.0598],[37.6987,-3.097],[37.7669,-3.6771],[39.2022,-4.6768],[38.7405,-5.9089],[38.7998,-6.4757],[39.44,-6.84],[39.47,-7.1],[39.1947,-7.7039],[39.252,-8.0078],[39.1865,-8.4855],[39.5357,-9.1124],[39.9496,-10.0984],[40.3166,-10.3171],[40.3166,-10.3171],[39.521,-10.8969],[38.4276,-11.2852],[37.8276,-11.2688],[37.4713,-11.5688],[36.7752,-11.5945],[36.5141,-11.7209],[35.3124,-11.4391],[34.56,-11.52],[34.28,-10.16],[33.9408,-9.6937],[33.7397,-9.4171],[32.7594,-9.2306],[32.1919,-8.9304],[31.5563,-8.762],[31.1578,-8.5946],[30.74,-8.34],[30.74,-8.34],[30.2,-7.08],[29.62,-6.52],[29.42,-5.94],[29.52,-5.42],[29.34,-4.5],[29.7535,-4.4524],[30.1163,-4.0901],[30.5055,-3.5686],[30.7522,-3.3593],[30.743,-3.0343],[30.5277,-2.8076],[30.4697,-2.4139],[30.4697,-2.4138],[30.7583,-2.2872],[30.8161,-1.6989],[30.4191,-1.1347],[30.7699,-1.0146],[31.8662,-1.0274]]]},{"id":2,"code":302,"name":"W. Sahara","label_lon":-12.572,"label_lat":24.2306,"rings":[[[-8.6656,27.6564],[-8.6651,27.5895],[-8.6844,27.3957],[-8.6873,25.8811],[-11.9694,25.9334],[-11.9372,23.3746],[-12.8742,23.2848],[-13.1188,22.7712],[-12.9291,21.3271],[-16.8452,21.3333],[-17.0634,20.9998],[-17.0204,21.4223],[-17.003,21.4207],[-14.751,21.5006],[-14.6308,21.8609],[-14.2212,22.3102],[-13.8911,23.691],[-12.501,24.7701],[-12.0308,26.0309],[-11.7182,26.1041],[-11.3926,26.8834],[-10.5513,26.9908],[-10.1894,26.8609],[-9.7353,26.8609],[-9.413,27.0885],[-8.7949,27.1207],[-8.8178,27.6564]]]},{"id":3,"code":1,"name":"Canada","label_lon":-110.2438,"label_lat":56.7019,"rings":[[[-122.84,49.0],[-122.9742,49.0025],[-124.9102,49.9846],[-125.6246,50.4166],[-127.4356,50.8306],[-127.9928,51.7158],[-127.8503,52.3296],[-129.1298,52.7554],[-129.3052,53.5616],[-130.515,54.2876],[-130.5361,54.8028],[-130.5361,54.8028],[-129.98,55.285],[-130.0078,55.9158],[-131.7078,56.5521],[-132.7304,57.6929],[-133.3556,58.4103],[-134.2711,58.8611],[-134.945,59.2706],[-135.4758,59.7878],[-136.4797,59.4639],[-137.4525,58.905],[-138.3409,59.5621],[-139.039,60.0],[-140.013,60.2768],[-140.9978,60.3064],[-140.9925,66.0],[-140.986,69.712],[-140.986,69.712],[-139.1205,69.471],[-137.5464,68.99],[-136.5036,68.898],[-135.6258,69.3151],[-134.4146,69.6274],[-132.9292,69.5053],[-131.4314,69.9445],[-129.7947,70.1937],[-129.1077,69.7793],[-128.3616,70.0129],[-128.1382,70.4838],[-127.4471,70.3772],[-125.7563,69.4806],[-124.4248,70.1584],[-124.2897,69.3997],[-123.0611,69.5637],[-122.6835,69.8555],[-121.4723,69.7978],[-119.9429,69.3779],[-117.6027,69.0113],[-116.2264,68.8415],[-115.2469,68.9059],[-113.8979,68.3989],[-115.3049,67.9026],[-113.4973,67.6881],[-110.798,67.8061],[-109.9462,67.981],[-108.8802,67.3814],[-107.7924,67.8874],[-108.813,68.3116],[-108.1672,68.6539],[-106.95,68.7],[-106.15,68.8],[-105.3428,68.5612],[-104.3379,68.018],[-103.2211,68.0978],[-101.4543,67.6469],[-99.9019,67.8057],[-98.4432,67.7816],[-98.5586,68.4039],[-97.6695,68.5786],[-96.1199,68.2394],[-96.1259,67.2934],[-95.4894,68.0907],[-94.685,68.0638],[-94.2328,69.069],[-95.3041,69.6857],[-96.4713,70.0898],[-96.3911,71.1948],[-95.2088,71.9205],[-93.89,71.7601],[-92.8782,71.3187],[-91.5196,70.1913],[-92.4069,69.7],[-90.5471,69.4977],[-90.5515,68.475],[-89.2151,69.2587],[-88.0197,68.6151],[-88.3175,67.8734],[-87.3502,67.1987],[-86.3061,67.9215],[-85.5766,68.7846],[-85.522,69.8821],[-84.1008,69.8054],[-82.6226,69.6583],[-81.2804,69.162],[-81.2202,68.6657],[-81.9644,68.1325],[-81.2593,67.5972],[-81.3865,67.1108],[-83.3446,66.4115],[-84.7354,66.2573],[-85.7694,66.5583],[-86.0676,66.0563],[-87.0314,65.213],[-87.3232,64.7756],[-88.483,64.099],[-89.9144,64.0327],[-90.704,63.6102],[-90.77,62.9602],[-91.9334,62.8351],[-93.157,62.0247],[-94.2415,60.8987],[-94.6293,60.1102],[-94.6846,58.9488],[-93.215,58.7821],[-92.7646,57.8457],[-92.297,57.0871],[-90.8977,57.2847],[-89.0395,56.8517],[-88.0398,56.4716],[-87.3242,55.9991],[-86.0712,55.7238],[-85.0118,55.3026],[-83.3606,55.2449],[-82.2729,55.1483],[-82.4362,54.2823],[-82.125,53.277],[-81.4008,52.1579],[-79.9129,51.2084],[-79.143,51.5339],[-78.6019,52.5621],[-79.1242,54.1414],[-79.8296,54.6677],[-78.2287,55.1365],[-77.0956,55.8374],[-76.5414,56.5342],[-76.6232,57.2026],[-77.3023,58.0521],[-78.5169,58.8046],[-77.3368,59.8526],[-77.7727,60.7579],[-78.1069,62.3196],[-77.4107,62.5505],[-75.6962,62.2784],[-74.6682,62.1811],[-73.8399,62.4438],[-72.9085,62.1051],[-71.6771,61.5254],[-71.3737,61.1372],[-69.5904,61.0614],[-69.6203,60.2212]Line truncated
@@ -0,0 +1 @@
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truncated
@@ -0,0 +1 @@
+{"type":"was","regions":[{"id":0,"code":"AL","name":"Alabama","label_lon":-86.7494,"label_lat":32.72,"rings":[[[-87.3593,35.0012],[-85.6067,34.9847],[-85.4314,34.1249],[-85.185,32.8597],[-85.0699,32.5804],[-84.9604,32.4215],[-85.0042,32.323],[-84.8892,32.2627],[-85.059,32.1367],[-85.0535,32.0108],[-85.1411,31.841],[-85.0426,31.5398],[-85.1138,31.2769],[-85.0042,31.003],[-85.4971,30.9975],[-87.6003,30.9975],[-87.6331,30.8661],[-87.4086,30.6744],[-87.4469,30.5101],[-87.3702,30.4279],[-87.5181,30.2801],[-87.6551,30.2472],[-87.907,30.4115],[-87.9344,30.658],[-88.0111,30.6854],[-88.1042,30.4991],[-88.137,30.3184],[-88.3944,30.3677],[-88.4711,31.8958],[-88.2411,33.7963],[-88.0987,34.8916],[-88.2027,34.9957]]]},{"id":1,"code":"AK","name":"Alaska","label_lon":-152.8897,"label_lat":62.9226,"rings":[[[-131.602,55.118],[-131.5692,55.2823],[-131.3556,55.1837],[-131.3884,55.0139],[-131.6458,55.0358]],[[-131.8321,55.4247],[-131.6458,55.3042],[-131.7499,55.1289],[-131.8321,55.1892]],[[-132.9767,56.4379],[-132.7357,56.4598],[-132.6317,56.4215],[-132.6645,56.2736],[-132.8781,56.2408],[-133.0698,56.3339]],[[-133.5956,56.3503],[-133.1629,56.3174],[-133.0534,56.1257],[-132.6207,55.9121],[-132.4729,55.7807],[-132.4619,55.6712],[-132.3578,55.6492],[-132.3414,55.5068],[-132.1661,55.3644],[-132.1442,55.2385],[-132.0292,55.2768],[-131.9799,55.1782],[-131.958,54.7894],[-132.0292,54.7017],[-132.3085,54.7182],[-132.3852,54.9153],[-132.4838,54.8989],[-132.6865,55.0468],[-132.7467,54.9975],[-132.9165,55.0468],[-132.8891,54.8989],[-132.7303,54.9372],[-132.6262,54.8825],[-132.6755,54.6798],[-132.8672,54.7017],[-133.1575,54.9592],[-133.2396,55.0906],[-133.2232,55.2275],[-133.4532,55.2166],[-133.4532,55.3206],[-133.278,55.3316],[-133.1027,55.4247],[-133.1794,55.589],[-133.3875,55.6219],[-133.4204,55.8848],[-133.497,56.0162],[-133.6394,55.9231],[-133.6942,56.071],[-133.5463,56.1422],[-133.6668,56.312]],[[-133.738,55.5561],[-133.5463,55.4904],[-133.4149,55.5726],[-133.2834,55.5342],[-133.4204,55.3864],[-133.634,55.4302]],[[-133.9078,56.9308],[-134.0502,57.0294],[-133.8859,57.0952],[-133.3437,57.002],[-133.1027,57.0075],[-132.9329,56.8213],[-132.6207,56.668],[-132.6536,56.5529],[-132.8179,56.4927],[-133.0425,56.5201],[-133.2013,56.4489],[-133.4204,56.4927],[-133.6613,56.4489],[-133.7106,56.6844],[-133.6887,56.8377],[-133.8695,56.8432]],[[-134.1159,56.4817],[-134.2529,56.5584],[-134.4007,56.7227],[-134.4172,56.8487],[-134.2967,56.9089],[-134.1707,56.8487],[-134.1433,56.9528],[-133.749,56.772],[-133.7106,56.5968],[-133.8476,56.5748],[-133.9352,56.3777],[-133.8366,56.3229],[-133.9571,56.0929],[-134.1105,56.1422],[-134.1324,55.9998],[-134.231,56.071],[-134.2912,56.3503]],[[-134.6362,56.2846],[-134.6691,56.1696],[-134.806,56.2353],[-135.1785,56.6789],[-135.414,56.8104],[-135.3318,56.9144],[-135.4249,57.1664],[-135.6878,57.369],[-135.4194,57.5662],[-135.299,57.484],[-135.0634,57.4183],[-134.8498,57.4073],[-134.8444,57.2485],[-134.6362,56.7282]],[[-134.7129,58.2234],[-134.3734,58.1467],[-134.1762,58.1577],[-134.1871,58.081],[-133.9023,57.8072],[-134.0995,57.851],[-134.1488,57.7579],[-133.9352,57.6155],[-133.8695,57.3635],[-134.0831,57.2978],[-134.1543,57.2102],[-134.4993,57.0294],[-134.6034,57.0349],[-134.6472,57.2266],[-134.576,57.3416],[-134.6089,57.5114],[-134.7294,57.7195],[-134.7074,57.8291],[-134.7841,58.0974],[-134.9156,58.2125],[-134.9539,58.4096]],[[-135.8576,57.3307],[-135.7152,57.3307],[-135.5673,57.1499],[-135.633,57.024],[-135.8576,56.9966],[-135.8247,57.1937]],[[-136.2793,58.207],[-135.9781,58.2015],[-135.7809,58.2891],[-135.4961,58.1686],[-135.6495,58.0372],[-135.5947,57.9879],[-135.4523,58.1358],[-135.1073,58.0865],[-134.9156,57.9769],[-135.0251,57.7798],[-134.9375,57.7633],[-134.8225,57.5005],[-135.0854,57.4621],[-135.5728,57.6757],[-135.5564,57.4566],[-135.7097,57.369],[-135.8905,57.4073],[-136.0,57.5443],[-136.2081,57.6374],[-136.367,57.8291],[-136.5696,57.9167],[-136.5587,58.0755],[-136.4217,58.1303],[-136.3779,58.2672]],[[-147.0799,60.2006],[-147.5016,59.9486],[-147.5344,59.8501],[-147.874,59.7843],[-147.8028,59.9377],[-147.4359,60.0965],[-147.2058,60.2718]],[[-147.5618,60.5785],[-147.6166,60.3704],[-147.759,60.1568],[-147.9562,60.228],[-147.7919,60.4744]],[[-147.7864,70.2453],[-147.6823,70.2015],[-147.162,70.1577],[-146.8882,70.185],[-146.5103,70.185],[-146.0995,70.1467],[-145.8585,70.1686],[-145.623,70.0865],[-145.1958,69.9934],[-144.6207,69.9714],[-144.4619,70.0262],[-144.0785,70.0591],[-143.9142,70.1303],[-143.4979,70.1412],[-143.5034,70.0919],[-143.2569,70.1193],[-142.7476,70.0426],[-142.4025,69.9167],[-142.0794,69.8564],[-142.0082,69.8017],[-141.7125,69.7907],[-141.4331,69.6976],[-141.3784,69.6373],[-141.2086,69.6866],[-141.0005,69.6483],[-141.0005,60.3046],[-140.5349,60.2225],[-140.4747,60.3101],[-139.9872,60.1842],[-139.6969,60.343],[-139.089,60.3594],[-139.1985,60.091],[-139.0452,59.9979],[-138.7001,59.9103],[-138.6235,59.7679],[-137.6047,59.2421],[-137.4459,58.908],[-137.2652,59.0011],[-136.827,59.16],[-136.5806,59.165Line truncated
@@ -0,0 +1 @@
+{"type":"waz","regions":[{"id":1,"code":"1","name":"1","label_lon":-140,"label_lat":75,"rings":[[[-109.0,85.0],[-109.0,77.5],[-103.2588,75.2824],[-103.4495,72.3827],[-99.2896,70.6113],[-102.0,68.0],[-102.0,60.0],[-139.0569,60.0001],[-138.7074,59.9061],[-138.6686,59.8091],[-138.626,59.7686],[-137.6062,59.2436],[-137.5007,58.9835],[-137.5266,58.9059],[-137.4512,58.9081],[-137.281,59.001],[-136.8272,59.1604],[-136.5843,59.166],[-136.4897,59.2595],[-136.4956,59.2754],[-136.4695,59.284],[-136.4771,59.4656],[-136.3681,59.449],[-136.3055,59.4644],[-136.2387,59.5242],[-136.2393,59.5592],[-136.3538,59.5998],[-136.1933,59.6401],[-135.9529,59.6622],[-135.4793,59.798],[-135.3601,59.7376],[-135.2336,59.6962],[-135.2198,59.6627],[-135.1575,59.6257],[-135.1179,59.6231],[-135.0289,59.5637],[-135.0275,59.4748],[-135.101,59.4276],[-134.9897,59.3871],[-135.0305,59.3466],[-134.9596,59.2808],[-134.7007,59.2489],[-134.6793,59.1925],[-134.5659,59.1312],[-134.4831,59.1316],[-134.3821,59.0386],[-134.4072,58.9796],[-134.3138,58.962],[-134.3365,58.9235],[-134.2579,58.8612],[-133.8404,58.7293],[-133.7068,58.6117],[-133.3772,58.4303],[-133.462,58.3879],[-133.346,58.2769],[-133.1722,58.1536],[-133.0701,58.0002],[-132.8689,57.8393],[-132.7512,57.6962],[-132.5542,57.4971],[-132.37,57.35],[-132.2487,57.2116],[-132.3688,57.0917],[-132.0449,57.045],[-132.1237,56.8739],[-131.8735,56.806],[-131.9009,56.7537],[-131.8604,56.703],[-131.8353,56.5994],[-131.5815,56.6123],[-131.4716,56.5523],[-131.1726,56.4494],[-131.0884,56.4062],[-130.7825,56.3671],[-130.6242,56.2672],[-130.4683,56.2431],[-130.4264,56.1415],[-130.2468,56.0966],[-130.104,56.1229],[-130.0037,56.0081],[-130.0178,55.9119],[-130.0041,55.9074],[-130.1524,55.7664],[-130.1481,55.7152],[-130.1118,55.6829],[-130.1281,55.5809],[-130.09,55.498],[-130.0413,55.4517],[-130.0211,55.3379],[-129.9742,55.282],[-130.1029,55.1926],[-130.1876,55.0629],[-130.346,54.9177],[-130.5682,54.7922],[-130.6591,54.7631],[-130.6257,54.7381],[-130.6156,54.7074],[-134.5376,54.2944],[-140.0,50.0],[-140.0,40.0],[-190.0,40.0],[-190.0,53.0],[-167.6871,66.6671],[-180.0,75.0],[-180.0,85.0]]]},{"id":2,"code":"2","name":"2","label_lon":-82.5,"label_lat":70,"rings":[[[-109.0,85.0],[-109.0,77.5],[-103.2588,75.2824],[-103.4495,72.3827],[-99.2896,70.6113],[-102.0,68.0],[-102.0,60.0],[-85.0,60.0],[-80.8725,54.5159],[-79.7772,51.8514],[-79.6522,51.6179],[-79.5157,51.4606],[-79.5176,50.0],[-60.0,50.0],[-55.9546,51.7455],[-55.4041,51.765],[-49.0,53.0],[-52.2437,59.5838],[-57.8076,67.1394],[-67.854,74.2269],[-74.0332,75.4972],[-74.8618,77.4191],[-73.5809,78.5637],[-69.8831,79.5013],[-68.2947,80.439],[-60.0073,82.2668],[-60.0,85.0]]]},{"id":3,"code":"3","name":"3","label_lon":-125,"label_lat":45,"rings":[[[-120.0,60.0],[-139.0569,60.0001],[-138.7074,59.9061],[-138.6686,59.8091],[-138.626,59.7686],[-137.6062,59.2436],[-137.5007,58.9835],[-137.5266,58.9059],[-137.4512,58.9081],[-137.281,59.001],[-136.8272,59.1604],[-136.5843,59.166],[-136.4897,59.2595],[-136.4956,59.2754],[-136.4695,59.284],[-136.4771,59.4656],[-136.3681,59.449],[-136.3055,59.4644],[-136.2387,59.5242],[-136.2393,59.5592],[-136.3538,59.5998],[-136.1933,59.6401],[-135.9529,59.6622],[-135.4793,59.798],[-135.3601,59.7376],[-135.2336,59.6962],[-135.2198,59.6627],[-135.1575,59.6257],[-135.1179,59.6231],[-135.0289,59.5637],[-135.0275,59.4748],[-135.101,59.4276],[-134.9897,59.3871],[-135.0305,59.3466],[-134.9596,59.2808],[-134.7007,59.2489],[-134.6793,59.1925],[-134.5659,59.1312],[-134.4831,59.1316],[-134.3821,59.0386],[-134.4072,58.9796],[-134.3138,58.962],[-134.3365,58.9235],[-134.2579,58.8612],[-133.8404,58.7293],[-133.7068,58.6117],[-133.3772,58.4303],[-133.462,58.3879],[-133.346,58.2769],[-133.1722,58.1536],[-133.0701,58.0002],[-132.8689,57.8393],[-132.7512,57.6962],[-132.5542,57.4971],[-132.37,57.35],[-132.2487,57.2116],[-132.3688,57.0917],[-132.0449,57.045],[-132.1237,56.8739],[-131.8735,56.806],[-131.9009,56.7537],[-131.8604,56.703],[-131.8353,56.5994],[-131.5815,56.6123],[-131.4716,56.5523],[-131.1726,56.4494],[-131.0884,56.4062],[-130.7825,56.3671],[-130.6242,56.2672],[-130.4683,56.2431],[-130.4264,56.1415],[-130.2468,56.0966],[-130.104,56.1229],[-130.0037,56.0081],[-130.0178,55.9119],[-130.0041,55.9074],[-130.1524,55.7664],[-130.1481,55.7152],[-130.1118,55.6829],[-130.1281,55.5809],[-130.09,55.498],[-130.0413,55.4517],[-130.0211,55.3379],[-129.9742,55.282],[-130.1029,55.1926],[-130.1876,55.0629],[-130.346,54.9177],[-130.5682,54.7922],[-130.6591,54.7631],[-130.6257,54.7381],[-130.6156,54.7074],[-134.5376,54.2944],[-140.0,50.0],[-140.0,40.0],[-130.0,40.0],[-130.0,32.5],[-120.0,32.5],[-117.1249,32.534],[-114.7197,32.7187],[-114.7643,32.6427],[-114.8087,32.6191],[-114.7997,32.5924],[-114.8137,32.5613],[-114.7932,32.5696],[-114.7916,32.5558],[-114.8057,32.5467],[-114.8135,32.4943],[-111.0748,31.3322],[-109.05,31.3325],[-109.0501,41.0007],[-111.0467,40.9979],[-111.049,44.474],[-111.1227,44.4937],[-111.1394,44.5171],[-111.1317,44.5326],[-111.177,44.5509],[-111.1808,44.569Line truncated
@@ -0,0 +1,342 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2026 Arty Bishop and contributors.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.feature.map
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.Paint
+import android.graphics.Path
+import org.json.JSONObject
+import org.osmdroid.views.MapView
+import org.osmdroid.views.Projection
+import org.osmdroid.views.overlay.Overlay
+import java.io.InputStream
+import kotlin.math.abs
+import kotlin.math.max
+import kotlin.math.min
+
+/**
+ * One administrative/boundary region loaded from the award GeoJSON assets.
+ *
+ * @param code     match key against award statistics (e.g. "GD", "34", "24", "CA", "318")
+ * @param name     display label (province/prefecture/state/country name)
+ * @param labelLon/labelLat preferred label anchor (usually the region centroid)
+ * @param rings    polygon exterior rings as lon/lat pairs; the overlay projects
+ *                 them per frame with the same projection helpers as the grid overlay
+ */
+data class AwardRegion(
+    val code: String,
+    val name: String,
+    val labelLon: Double,
+    val labelLat: Double,
+    val rings: List<List<DoubleArray>>
+)
+
+/**
+ * Loads and caches the award boundary assets (assets/awards/<type>.json).
+ * Format (generated by the awarddata/convert2.py pipeline):
+ *   {"type": "wapc", "regions": [{"id":..,"code":"GD","name":"广东省",
+ *     "label_lon":..,"label_lat":..,"rings":[[[lon,lat],...],...]}, ...]}
+ */
+object AwardBoundaryData {
+
+    private val cache = mutableMapOf<AwardAsset, List<AwardRegion>>()
+
+    enum class AwardAsset(val fileName: String) {
+        WAPC("wapc.json"),
+        WAJA("waja.json"),
+        WAZ("waz.json"),
+        WAS("was.json"),
+        DXCC("dxcc.json")
+    }
+
+    fun load(context: Context, asset: AwardAsset): List<AwardRegion> {
+        cache[asset]?.let { return it }
+        val regions = try {
+            val stream: InputStream = context.assets.open("awards/${asset.fileName}")
+            val text = stream.bufferedReader().use { it.readText() }
+            val root = JSONObject(text)
+            val array = root.optJSONArray("regions") ?: return emptyList()
+            val list = mutableListOf<AwardRegion>()
+            for (i in 0 until array.length()) {
+                val o = array.optJSONObject(i) ?: continue
+                val ringsArray = o.optJSONArray("rings") ?: continue
+                val rings = mutableListOf<List<DoubleArray>>()
+                for (r in 0 until ringsArray.length()) {
+                    val ring = ringsArray.optJSONArray(r) ?: continue
+                    val points = mutableListOf<DoubleArray>()
+                    for (p in 0 until ring.length()) {
+                        val pt = ring.optJSONArray(p) ?: continue
+                        if (pt.length() >= 2) points.add(doubleArrayOf(pt.getDouble(0), pt.getDouble(1)))
+                    }
+                    if (points.size >= 3) rings.add(points)
+                }
+                if (rings.isEmpty()) continue
+                list.add(
+                    AwardRegion(
+                        code = o.optString("code"),
+                        name = o.optString("name"),
+                        labelLon = o.optDouble("label_lon", 0.0),
+                        labelLat = o.optDouble("label_lat", 0.0),
+                        rings = rings
+                    )
+                )
+            }
+            list
+        } catch (_: Exception) {
+            emptyList()
+        }
+        cache[asset] = regions
+        return regions
+    }
+}
+
+/**
+ * Renders award boundary regions (provinces/prefectures/CQ zones/states/
+ * countries) with the same visual language as the VUCC grid overlay:
+ * yellow boundary lines, green fill for worked regions, yellow labels.
+ *
+ * Worked regions are matched by [workedCodes] against each region's [AwardRegion.code]
+ * (e.g. {"GD", "ZJ", "HK", ...} for WAPC). All region boundaries are always drawn
+ * so missing regions stay visible; only worked ones get the green fill.
+ */
+class AwardBoundaryOverlay : Overlay() {
+
+    private val linePaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        strokeWidth = 1.5f
+        style = Paint.Style.STROKE
+        color = Color.argb(160, 255, 224, 130)
+    }
+    private val labelPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        textSize = 22f
+        style = Paint.Style.FILL
+        color = Color.argb(220, 255, 224, 130)
+        setShadowLayer(3f, 2f, 2f, Color.BLACK)
+    }
+    private val workedPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        style = Paint.Style.FILL
+        color = Color.argb(90, 76, 217, 100)
+    }
+
+    /** Boundary regions to render; assigning recomputes culling bounds. */
+    var regions: List<AwardRegion> = emptyList()
+        set(value) {
+            field = value
+            regionBounds.clear()
+            for (r in value) {
+                var minLon = Double.MAX_VALUE; var minLat = Double.MAX_VALUE
+                var maxLon = -Double.MAX_VALUE; var maxLat = -Double.MAX_VALUE
+                for (ring in r.rings) for (pt in ring) {
+                    if (pt[0] < minLon) minLon = pt[0]
+                    if (pt[0] > maxLon) maxLon = pt[0]
+                    if (pt[1] < minLat) minLat = pt[1]
+                    if (pt[1] > maxLat) maxLat = pt[1]
+                }
+                regionBounds.add(doubleArrayOf(minLon, minLat, maxLon, maxLat))
+            }
+        }
+
+    /** Codes of worked regions -> green fill. */
+    var workedCodes: Set<String> = emptySet()
+
+    /** Bounding boxes (computed on region assignment) for cheap culling. */
+    private val regionBounds = mutableListOf<DoubleArray>() // [minLon,minLat,maxLon,maxLat]
+
+    override fun setEnabled(on: Boolean) {
+        super.setEnabled(on)
+    }
+
+    override fun draw(canvas: Canvas, mapView: MapView, shadow: Boolean) {
+        if (shadow || !isEnabled || regions.isEmpty()) return
+        val projection = mapView.projection
+        val zoom = mapView.zoomLevelDouble
+        val worldWidthPx = 256.0 * Math.pow(2.0, zoom)
+
+        // Visible bounding box (same anchor-on-center approach as the grid overlay).
+        val north = projection.fromPixels(0, 0)
+        val south = projection.fromPixels(canvas.width, canvas.height)
+        val topLat = max(north.latitude, south.latitude).coerceIn(-90.0, 90.0)
+        val bottomLat = min(north.latitude, south.latitude).coerceIn(-90.0, 90.0)
+        val viewCenter = projection.fromPixels(canvas.width / 2, canvas.height / 2)
+        val centerLon = viewCenter.longitude
+        val halfSpanDeg = (canvas.width / 2.0) / worldWidthPx * 360.0
+        val leftLon = centerLon - halfSpanDeg
+        val rightLon = centerLon + halfSpanDeg
+
+        labelPaint.textAlign = Paint.Align.CENTER
+        val fontMetrics = labelPaint.fontMetrics
+        val textHalfHeight = (fontMetrics.descent + fontMetrics.ascent) / 2f
+
+        for (i in regions.indices) {
+            val region = regions[i]
+            val b = regionBounds.getOrNull(i) ?: continue
+            // Cull: region bbox outside the visible span (with wrap slack).
+            if (b[1] > topLat || b[3] < bottomLat) continue
+            if (b[0] > rightLon || b[2] < leftLon) continue
+            val worked = region.code in workedCodes
+
+            val path = Path()
+            var pathHasPoints = false
+            for (ring in region.rings) {
+                // Split each ring into consecutive segments at the antimeridian
+                // (±180°) and draw each as its own sub-path. Naively normalizing
+                // every vertex to [-180,180) folds vertices that sit on the
+                // "far" side of ±180 onto the opposite screen edge, drawing a
+                // spurious line that sweeps across the whole map (Russia/Fiji/
+                // Antarctica for DXCC, the Pacific CQ zones for WAZ). Splitting
+                // keeps each segment contiguous. Each segment then gets ONE
+                // per-segment longitude offset (in whole 360° turns) chosen to
+                // sit closest to the view center, so vertices far from the
+                // center are not folded to ±180 the wrong way at low zoom.
+                for (segment in splitRingAtAntimeridian(ring)) {
+                    if (segment.isEmpty()) continue
+                    pathHasPoints = traceSegment(path, segment, projection, centerLon, worldWidthPx) || pathHasPoints
+                }
+            }
+            if (!pathHasPoints) continue
+
+            if (worked) canvas.drawPath(path, workedPaint)
+            canvas.drawPath(path, linePaint)
+
+            // Label: draw when its anchor is on screen and the region is big
+            // enough on screen to hold the text (avoid clutter at low zoom).
+            val labelLonNorm = normalizeLon(region.labelLon)
+            if (labelLonNorm < leftLon - 1.0 || labelLonNorm > rightLon + 1.0) continue
+            if (region.labelLat < bottomLat - 1.0 || region.labelLat > topLat + 1.0) continue
+            val lx = projectionToX(projection, labelLonNorm, centerLon, worldWidthPx) ?: continue
+            val ly = projectionToY(projection, region.labelLat) ?: continue
+            // Screen-size gate: the label only when the region spans enough px.
+            val regionH = (projectionToY(projection, b[3]) ?: 0f) - (projectionToY(projection, b[1]) ?: 0f)
+            if (abs(regionH) < MIN_LABEL_REGION_PX) continue
+            canvas.drawText(region.name, lx, ly - textHalfHeight, labelPaint)
+        }
+    }
+
+    /**
+     * Splits a ring's vertices into consecutive segments that do NOT cross the
+     * antimeridian. Vertices are first normalized to [-180,180); whenever two
+     * consecutive vertices differ by more than 180° in longitude (the ring
+     * wraps over ±180), the segment is closed there and a new segment starts.
+     *
+     * A ring that crosses the antimeridian (e.g. Russia's eastern tip, or the
+     * Pacific CQ zones whose raw lon runs past ±180) becomes two segments, each
+     * kept geometrically contiguous so no spurious long edge is drawn.
+     */
+    private fun splitRingAtAntimeridian(ring: List<DoubleArray>): List<List<DoubleArray>> {
+        val n = ring.size
+        if (n == 0) return emptyList()
+        val pts = Array(n) { doubleArrayOf(normalizeLon(ring[it][0]), ring[it][1]) }
+        val segments = mutableListOf<MutableList<DoubleArray>>()
+        var cur = mutableListOf<DoubleArray>()
+        cur.add(pts[0])
+        for (i in 1 until n) {
+            val prevLon = pts[i - 1][0]
+            val lon = pts[i][0]
+            if (abs(lon - prevLon) > 180.0) {
+                // Crossed the antimeridian: start a fresh segment.
+                if (cur.size >= 2) segments.add(cur)
+                cur = mutableListOf()
+            }
+            cur.add(pts[i])
+        }
+        if (cur.size >= 2) segments.add(cur)
+        // A fully-winding ring may have collapsed into a single segment after
+        // normalization (no actual crossing between consecutive vertices); in
+        // that case fall back to the whole ring as one segment.
+        if (segments.isEmpty()) segments.add(mutableListOf<DoubleArray>().also { it.addAll(pts) })
+        return segments
+    }
+
+    /**
+     * Projects [segment] into [path], keeping the segment's geometry
+     * contiguous on screen.
+     *
+     * Longitudes are normalized once when the ring is split, and every vertex
+     * of a segment lies within 180° of its neighbours (a segment never crosses
+     * the antimeridian). We anchor on the segment's FIRST vertex: its screen x
+     * comes from [projectionToX] (correctly placed relative to the view
+     * center), and every other vertex is offset by the *continuous* longitude
+     * difference from that anchor, scaled by worldWidthPx. Because the whole
+     * segment stays on the "near" side of ±180 relative to its anchor, no
+     * vertex is folded to the opposite screen edge — that fold is what drew
+     * the spurious long lines across the map (Russia/Fiji/Antarctica for
+     * DXCC, the Pacific CQ zones for WAZ).
+     *
+     * @return true if at least one point was placed in the path
+     */
+    private fun traceSegment(
+        path: Path,
+        segment: List<DoubleArray>,
+        projection: Projection,
+        centerLon: Double,
+        worldWidthPx: Double
+    ): Boolean {
+        if (segment.isEmpty()) return false
+        val anchorLon = segment[0][0]
+        val anchorX = projectionToX(projection, anchorLon, centerLon, worldWidthPx) ?: return false
+        var penDown = false
+        var any = false
+        for (i in segment.indices) {
+            val pt = segment[i]
+            // Continuous longitude difference from the anchor — no per-vertex
+            // fold. The segment spans < 180° (guaranteed by the antimeridian
+            // split), so delta stays within a single turn of the anchor.
+            val delta = pt[0] - anchorLon
+            val x = anchorX + (delta / 360.0 * worldWidthPx).toFloat()
+            val y = projectionToY(projection, pt[1]) ?: continue
+            if (!penDown) {
+                path.moveTo(x, y)
+                penDown = true
+            } else {
+                path.lineTo(x, y)
+            }
+            any = true
+        }
+        if (penDown) path.close()
+        return any
+    }
+
+    /** X pixel for a longitude (Mercator X is linear in longitude). */
+    private fun projectionToX(projection: Projection, lon: Double, centerLon: Double, worldWidthPx: Double): Float? {
+        var delta = lon - centerLon
+        while (delta > 180.0) delta -= 360.0
+        while (delta < -180.0) delta += 360.0
+        val geo = org.osmdroid.util.GeoPoint(0.0, centerLon)
+        val p = projection.toPixels(geo, null)
+        return (p.x + delta / 360.0 * worldWidthPx).toFloat()
+    }
+
+    /** Y pixel for a latitude. */
+    private fun projectionToY(projection: Projection, lat: Double): Float? {
+        val geo = org.osmdroid.util.GeoPoint(lat, 0.0)
+        val p = projection.toPixels(geo, null)
+        return p.y.toFloat()
+    }
+
+    private fun normalizeLon(lon: Double): Double {
+        var l = lon % 360.0
+        if (l >= 180.0) l -= 360.0
+        if (l < -180.0) l += 360.0
+        return l
+    }
+
+    private companion object {
+        const val MIN_LABEL_REGION_PX = 42f
+    }
+}
@@ -61,6 +61,11 @@ class MaidenheadGridOverlay : Overlay() {
        style = Paint.Style.STROKE
        color = Color.argb(255, 90, 200, 255)
    }
+    private val selectedLinePaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        strokeWidth = 4.5f
+        style = Paint.Style.STROKE
+        color = Color.argb(255, 76, 217, 100)
+    }

    /** Worked gridsquares (4-char, uppercase) to highlight, e.g. {"OL62", "PM95"}. */
    var workedGrids: Set<String> = emptySet()
@@ -68,6 +73,9 @@ class MaidenheadGridOverlay : Overlay() {
    /** The station's own 4-char gridsquare, drawn with a distinct outline. */
    var ownGrid: String? = null

+    /** The currently tapped worked grid (4-char) highlighted with a distinct outline, or null. */
+    var selectedGrid: String? = null
+
    /** Viewport width, refreshed each draw; used by projectionToX bounds. */
    private var canvasWidthPx = 1080f

@@ -79,91 +87,170 @@ class MaidenheadGridOverlay : Overlay() {
        val cellLat = if (zoom >= GRID_ZOOM_SUB) SUB_SQUARE_LAT else FIELD_LAT
        val cellLon = if (zoom >= GRID_ZOOM_SUB) SUB_SQUARE_LON else FIELD_LON

-        // Visible bounding box in geographic coordinates
+        // Visible bounding box. Do NOT derive longitude bounds from the left/
+        // right edge pixels: osmdroid normalizes them to [-180,180), which both
+        // garbles antimeridian-crossing views AND makes any global view (span
+        // > 180°) look like an antimeridian crossing — unwrapping then produced
+        // an inverted range and ALL meridians vanished at low zoom. Instead
+        // anchor on the view-center longitude and expand by the half-width in
+        // degrees; the range is continuous (may exceed ±180) and cell indices
+        // beyond 18 wrap correctly via normalizeLon().
        val north = projection.fromPixels(0, 0)
        val south = projection.fromPixels(canvas.width, canvas.height)
        val topLat = max(north.latitude, south.latitude).coerceIn(-90.0, 90.0)
        val bottomLat = min(north.latitude, south.latitude).coerceIn(-90.0, 90.0)
-        val leftLon = min(north.longitude, south.longitude)
-        val rightLon = max(north.longitude, south.longitude)
+        val worldWidthPx = 256.0 * Math.pow(2.0, zoom)
+        val viewCenter = projection.fromPixels(canvas.width / 2, canvas.height / 2)
+        val centerLon = viewCenter.longitude
+        val halfSpanDeg = (canvas.width / 2.0) / worldWidthPx * 360.0
+        val leftLon = centerLon - halfSpanDeg
+        val rightLon = centerLon + halfSpanDeg

        val firstRow = floor(bottomLat / cellLat).toInt()
        val lastRow = ceil(topLat / cellLat).toInt()
-        // Longitude cell indices may exceed the [-180, 180) range when the view
-        // crosses the antimeridian; index arithmetic still works (PMxx at 360° == same grid)
+        // Longitude cell indices are in the continuous unwrapped space and may
+        // exceed the [-180, 180) range when the view crosses the antimeridian
+        // or spans world repeats; labels normalize each cell back.
        val firstCol = floor(leftLon / cellLon).toInt()
        val lastCol = ceil(rightLon / cellLon).toInt()
-        val centerLon = (leftLon + rightLon) / 2.0
+        // At low zoom the world is narrower than the viewport and osmdroid shows
+        // repeating copies on both sides. The visible bounding box spans more
+        // than 360° of longitude there; extend the column range by whole world
+        // turns so meridians, fills and labels tile across the repeats too.
+        val worldTurns = ceil(((rightLon - leftLon) / 360.0) - 1e-9).toInt().coerceAtLeast(0)
+        val colRepeats = if (worldTurns > 0) worldTurns else 0

        // The station's own grid square (4-char, only meaningful at sub-square zoom)
        val ownCell = ownGrid?.takeIf { zoom >= GRID_ZOOM_SUB }
+        // The tapped worked grid gets a distinct outline (same zoom gate).
+        val selectedCell = selectedGrid?.takeIf { zoom >= GRID_ZOOM_SUB }

-        // Worked-grid highlight fills (only meaningful at sub-square zoom)
-        if (workedGrids.isNotEmpty() && zoom >= GRID_ZOOM_SUB) {
-            for (row in firstRow..lastRow) {
-                val lat = row * cellLat
-                if (lat < -90.0 || lat >= 90.0) continue
-                val topLatCell = lat + cellLat
-                if (topLatCell > 90.0) continue
-                val yTop = projectionToY(projection, topLatCell)
-                val yBottom = projectionToY(projection, lat)
-                if (yTop == null || yBottom == null) continue
-                for (col in firstCol..lastCol) {
-                    val lon = col * cellLon
-                    val xLeft = projectionToX(projection, lon, centerLon) ?: continue
-                    val xRight = projectionToX(projection, lon + cellLon, centerLon) ?: continue
-                    if (xRight < 0f || xLeft > canvas.width) continue
-                    if (cellLabel(lat, lon, zoom) in workedGrids) {
+        // Worked-grid highlight fills.
+        //  - Sub-square zoom: fill each worked 4-char cell directly.
+        //  - Field zoom (two-char labels): do NOT fill whole fields; instead fill
+        //    the individual 2°x1° squares that were worked, without drawing the
+        //    square grid lines — so you see green patches inside the field.
+        if (workedGrids.isNotEmpty()) {
+            if (zoom >= GRID_ZOOM_SUB) {
+                for (row in firstRow..lastRow) {
+                    val lat = row * cellLat
+                    if (lat < -90.0 || lat >= 90.0) continue
+                    val topLatCell = lat + cellLat
+                    if (topLatCell > 90.0) continue
+                    val yTop = projectionToY(projection, topLatCell)
+                    val yBottom = projectionToY(projection, lat)
+                    if (yTop == null || yBottom == null) continue
+                    for (turn in -colRepeats..colRepeats) for (col in firstCol..lastCol) {
+                        val lon = col * cellLon
+                        // World-repeat copies: keep the turn offset in pixels
+                        // (colRepeats is 0 at this zoom today, but the same
+                        // alpha-stacking fix applies if it ever becomes > 0).
+                        val xLeftBase = projectionToX(projection, lon, centerLon, worldWidthPx) ?: continue
+                        val xRightBase = projectionToX(projection, lon + cellLon, centerLon, worldWidthPx) ?: continue
+                        val xLeft = xLeftBase + turn * worldWidthPx.toFloat()
+                        val xRight = xRightBase + turn * worldWidthPx.toFloat()
+                        if (xRight < 0f || xLeft > canvas.width) continue
+                        if (cellLabel(lat, lon, zoom) in workedGrids) {
+                            canvas.drawRect(xLeft, yTop, xRight, yBottom, workedPaint)
+                        }
+                    }
+                }
+            } else {
+                for (grid in workedGrids) {
+                    val cell = gridCellBounds(grid) ?: continue
+                    // World-repeat copies: a 360° turn shifts the cell by a
+                    // full world width in pixels. projectionToX() normalizes
+                    // longitude back into [-180,180), so WITHOUT adding the
+                    // turn*worldWidthPx offset every copy lands on the SAME
+                    // screen x and the cell gets painted 2*colRepeats+1 times
+                    // in place — alpha stacks and the green turns brighter and
+                    // more opaque. Keep the world-width offset on the x.
+                    for (turn in -colRepeats..colRepeats) {
+                        val dLon = turn * 360.0
+                        if (cell.lonRight + dLon <= leftLon || cell.lonLeft + dLon >= rightLon) continue
+                        val yTop = projectionToY(projection, cell.latTop) ?: continue
+                        val yBottom = projectionToY(projection, cell.latBottom) ?: continue
+                        val xLeftBase = projectionToX(projection, cell.lonLeft, centerLon, worldWidthPx) ?: continue
+                        val xRightBase = projectionToX(projection, cell.lonRight, centerLon, worldWidthPx) ?: continue
+                        val xLeft = xLeftBase + turn * worldWidthPx.toFloat()
+                        val xRight = xRightBase + turn * worldWidthPx.toFloat()
+                        if (xRight < 0f || xLeft > canvas.width) continue
+                        if (yBottom < 0f || yTop > canvas.height) continue
                        canvas.drawRect(xLeft, yTop, xRight, yBottom, workedPaint)
                    }
                }
            }
        }

-        // Vertical lines (meridians)
-        for (col in firstCol..lastCol) {
+        // Vertical lines (meridians). Worked-grid cells are NOT excluded:
+        // the boundary lines between adjacent worked squares must stay visible
+        // so the grid structure remains readable (reverted 2026-09-09 — the
+        // earlier skip logic removed those shared edges entirely).
+        for (turn in -colRepeats..colRepeats) for (col in firstCol..lastCol) {
            val lon = col * cellLon
-            val x = projectionToX(projection, lon, centerLon)
-            if (x == null) continue
-            canvas.drawLine(x, 0f, x, canvas.height.toFloat(), linePaint)
+            // World-repeat copies: keep the turn offset in pixels, otherwise
+            // every turn normalizes to the same x and the line paints over
+            // itself 2*colRepeats+1 times (alpha stacking).
+            val xBase = projectionToX(projection, lon, centerLon, worldWidthPx) ?: continue
+            val x = xBase + turn * worldWidthPx.toFloat()
+            for (row in firstRow..lastRow) {
+                val lat = row * cellLat
+                if (lat < -90.0 || lat >= 90.0) continue
+                val topLatCell = lat + cellLat
+                if (topLatCell > 90.0) continue
+                val yTop = projectionToY(projection, topLatCell) ?: continue
+                val yBottom = projectionToY(projection, lat) ?: continue
+                canvas.drawLine(x, yTop, x, yBottom, linePaint)
+            }
        }
-        // Horizontal lines (parallels)
+        // Horizontal lines (parallels).
        for (row in firstRow..lastRow) {
            val lat = row * cellLat
            if (lat <= -90.0 || lat >= 90.0) continue
            val y = projectionToY(projection, lat)
            if (y == null) continue
-            canvas.drawLine(0f, y, canvas.width.toFloat(), y, linePaint)
+            for (turn in -colRepeats..colRepeats) for (col in firstCol..lastCol) {
+                val lon = col * cellLon
+                // World-repeat copies: keep the turn offset in pixels (same
+                // alpha-stacking fix as the vertical lines above).
+                val xLeftBase = projectionToX(projection, lon, centerLon, worldWidthPx) ?: continue
+                val xRightBase = projectionToX(projection, lon + cellLon, centerLon, worldWidthPx) ?: continue
+                val xLeft = xLeftBase + turn * worldWidthPx.toFloat()
+                val xRight = xRightBase + turn * worldWidthPx.toFloat()
+                if (xRight < 0f || xLeft > canvas.width) continue
+                canvas.drawLine(xLeft, y, xRight, y, linePaint)
+            }
        }

        // The station's own grid square: redraw its four borders thicker on top.
-        if (ownCell != null) {
-            val ownColIdx = firstCol..lastCol
+        // The tapped worked grid gets the same treatment in a different color.
+        if (ownCell != null || selectedCell != null) {
            for (row in firstRow..lastRow) {
                val lat = row * cellLat
                if (lat < -90.0 || lat >= 90.0) continue
-                for (col in ownColIdx) {
+                for (col in firstCol..lastCol) {
                    val lon = col * cellLon
-                    if (cellLabel(lat, lon, zoom) != ownCell) continue
+                    val label = cellLabel(lat, lon, zoom)
+                    if (label != ownCell && label != selectedCell) continue
                    val yTop = projectionToY(projection, lat + cellLat) ?: continue
                    val yBottom = projectionToY(projection, lat) ?: continue
-                    val xLeft = projectionToX(projection, lon, centerLon) ?: continue
-                    val xRight = projectionToX(projection, lon + cellLon, centerLon) ?: continue
-                    canvas.drawLine(xLeft, yTop, xRight, yTop, ownLinePaint)
-                    canvas.drawLine(xLeft, yBottom, xRight, yBottom, ownLinePaint)
-                    canvas.drawLine(xLeft, yTop, xLeft, yBottom, ownLinePaint)
-                    canvas.drawLine(xRight, yTop, xRight, yBottom, ownLinePaint)
+                    val xLeft = projectionToX(projection, lon, centerLon, worldWidthPx) ?: continue
+                    val xRight = projectionToX(projection, lon + cellLon, centerLon, worldWidthPx) ?: continue
+                    val paint = if (label == selectedCell) selectedLinePaint else ownLinePaint
+                    canvas.drawLine(xLeft, yTop, xRight, yTop, paint)
+                    canvas.drawLine(xLeft, yBottom, xRight, yBottom, paint)
+                    canvas.drawLine(xLeft, yTop, xLeft, yBottom, paint)
+                    canvas.drawLine(xRight, yTop, xRight, yBottom, paint)
                }
            }
        }

        // Labels: centered in each cell, only when the cell is large enough on
-        // screen to hold a label (avoid clutter at low zoom)
-        val showLabels = when {
-            zoom >= GRID_ZOOM_SUB -> true
-            zoom >= FIELD_ZOOM_LABELS -> true
-            else -> false
-        }
+        // screen to hold a label (avoid clutter at low zoom).
+        // Field (2-char) labels show at every zoom, subject only to the pixel-
+        // size check below; sub-square (4-char) labels only from LABEL_ZOOM_SUB
+        // (one level above the grid lines, so zoom 6 shows lines but no names).
+        val showLabels = zoom >= LABEL_ZOOM_SUB || cellLat == FIELD_LAT
        if (!showLabels) return
        // Estimate on-screen cell height to avoid clutter at low zoom:
        // project two points 1° apart in latitude and measure the pixel distance.
@@ -185,10 +272,14 @@ class MaidenheadGridOverlay : Overlay() {
            val yBottom = projectionToY(projection, lat) ?: continue
            val yCenter = (yTop + yBottom) / 2f - textHalfHeight
            if (yBottom < 0f || yTop > canvas.height) continue
-            for (col in firstCol..lastCol) {
+            for (turn in -colRepeats..colRepeats) for (col in firstCol..lastCol) {
                val lon = col * cellLon
-                val xLeft = projectionToX(projection, lon, centerLon) ?: continue
-                val xRight = projectionToX(projection, lon + cellLon, centerLon) ?: continue
+                // World-repeat copies: keep the turn offset in pixels (same
+                // alpha-stacking fix as the lines above).
+                val xLeftBase = projectionToX(projection, lon, centerLon, worldWidthPx) ?: continue
+                val xRightBase = projectionToX(projection, lon + cellLon, centerLon, worldWidthPx) ?: continue
+                val xLeft = xLeftBase + turn * worldWidthPx.toFloat()
+                val xRight = xRightBase + turn * worldWidthPx.toFloat()
                if (xRight < 0f || xLeft > canvas.width) continue
                val label = cellLabel(lat, lon, zoom)
                canvas.drawText(label, (xLeft + xRight) / 2f, yCenter, labelPaint)
@@ -197,22 +288,18 @@ class MaidenheadGridOverlay : Overlay() {
    }

    /** X pixel for a longitude (meridians are vertical in Web Mercator). */
-    private fun projectionToX(projection: Projection, lon: Double, centerLon: Double): Float? {
-        // osmdroid clips Mercator X to [0, mapSize], which destroys the projection of
-        // longitudes outside the [0, 360) window of the current view (visible at low
-        // zoom where the whole world is narrower than the viewport). Normalizing the
-        // longitude to the equivalent value closest to the view center keeps every
-        // meridian's X near the center, safely inside the clip window.
-        var normalized = lon
-        while (normalized < centerLon - 180.0) normalized += 360.0
-        while (normalized > centerLon + 180.0) normalized -= 360.0
-        val geo = org.osmdroid.util.GeoPoint(0.0, normalized)
+    private fun projectionToX(projection: Projection, lon: Double, centerLon: Double, worldWidthPx: Double): Float? {
+        // Do NOT use osmdroid's toPixels() here: at low zoom its wrap-around
+        // logic (getCloserPixel) mis-projects longitudes far from the view
+        // center, which makes meridians vanish while panning. Mercator X is
+        // linear in longitude, so compute it directly:
+        //   x = screenCenterX + (lon - centerLon) / 360 * worldWidthPx
+        var delta = lon - centerLon
+        while (delta > 180.0) delta -= 360.0
+        while (delta < -180.0) delta += 360.0
+        val geo = org.osmdroid.util.GeoPoint(0.0, centerLon)
        val p = projection.toPixels(geo, null)
-        // Accept generous horizontal overshoot: at low zoom the world repeats and
-        // a meridian just off-screen may still be projected; rejecting too early
-        // makes lines vanish while panning. 2x viewport width is plenty.
-        val limit = canvasWidthPx * 2f + MAX_OVERSHOOT_PX
-        return if (p.x >= -limit && p.x <= limit) p.x.toFloat() else null
+        return (p.x + delta / 360.0 * worldWidthPx).toFloat()
    }

    /** Y pixel for a latitude, or null when outside the viewport. */
@@ -237,6 +324,30 @@ class MaidenheadGridOverlay : Overlay() {
        return "$field$squareLon$squareLat"
    }

+    /**
+     * Geographic bounds of a 4-char Maidenhead square (e.g. "OL62"):
+     * 2° wide in longitude, 1° tall in latitude.
+     */
+    private fun gridCellBounds(grid: String): CellBounds? {
+        val g = grid.trim().uppercase()
+        if (g.length < 4) return null
+        val fieldLon = g[0] - 'A'
+        val fieldLat = g[1] - 'A'
+        val sqLon = g[2] - '0'
+        val sqLat = g[3] - '0'
+        if (fieldLon !in 0..17 || fieldLat !in 0..17 || sqLon !in 0..9 || sqLat !in 0..9) return null
+        val lonLeft = -180.0 + fieldLon * FIELD_LON + sqLon * SUB_SQUARE_LON
+        val latBottom = -90.0 + fieldLat * FIELD_LAT + sqLat * SUB_SQUARE_LAT
+        return CellBounds(lonLeft, lonLeft + SUB_SQUARE_LON, latBottom, latBottom + SUB_SQUARE_LAT)
+    }
+
+    private data class CellBounds(
+        val lonLeft: Double,
+        val lonRight: Double,
+        val latBottom: Double,
+        val latTop: Double
+    )
+
    private fun normalizeLon(lon: Double): Double {
        var l = lon % 360.0
        if (l >= 180.0) l -= 360.0
@@ -244,13 +355,19 @@ class MaidenheadGridOverlay : Overlay() {
        return l
    }

-    private companion object {
+    internal companion object {
        const val FIELD_LAT = 10.0
        const val FIELD_LON = 20.0
        const val SUB_SQUARE_LAT = 1.0
        const val SUB_SQUARE_LON = 2.0
-        const val GRID_ZOOM_SUB = 5.0
-        const val FIELD_ZOOM_LABELS = 3.0
+        // Zoom at which the 2°x1° sub-square grid lines/fills appear.
+        // 5.0 → 6.0: at zoom 5 a full field spans too little screen width and
+        // the sub-square grid is too dense to read; 6 roughly doubles the
+        // on-screen size of each square.
+        const val GRID_ZOOM_SUB = 6.0
+        // Zoom at which the 4-char sub-square names appear (one level above the
+        // grid lines: zoom 6 = lines only, zoom 6.5+ = lines + names).
+        const val LABEL_ZOOM_SUB = 6.5
        const val MIN_LABEL_CELL_PX = 48f
        const val MAX_OVERSHOOT_PX = 64
    }
@@ -25,18 +25,29 @@ import android.graphics.Paint
 import android.graphics.Rect
 import android.graphics.drawable.Drawable
 import androidx.collection.LruCache
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.ElevatedCard
+import androidx.compose.material3.FilterChip
+import androidx.compose.material3.FilterChipDefaults
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
@@ -48,6 +59,8 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.rotate
+import androidx.compose.ui.draw.scale
+import androidx.compose.ui.graphics.Color as ComposeColor
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
@@ -62,6 +75,9 @@ import androidx.lifecycle.LifecycleEventObserver
 import androidx.lifecycle.compose.LocalLifecycleOwner
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
+import com.rtbishop.look4sat.core.domain.model.AwardCalculator
+import com.rtbishop.look4sat.core.domain.model.AwardProgress
+import com.rtbishop.look4sat.core.domain.model.AwardType
 import com.rtbishop.look4sat.core.domain.predict.GeoPos
 import com.rtbishop.look4sat.core.domain.predict.OrbitalObject
 import com.rtbishop.look4sat.core.domain.predict.OrbitalPos
@@ -138,13 +154,64 @@ private fun MapScreen(uiState: MapState, onAction: (MapAction) -> Unit, mapView:
    val timeString = uiState.mapData?.aosTime ?: "00:00:00"
    val isTimeAos = uiState.mapData?.isTimeAos ?: true

+    // Tapped worked grid -> centered QSO dialog. Local UI state: the map is the
+    // only consumer and it resets when leaving the page.
+    var selectedGrid by remember { mutableStateOf<String?>(null) }
+    // Selected award filter (null = "All" = plain worked-grid view).
+    var selectedAward by remember { mutableStateOf<AwardType?>(null) }
+    // Six-award progress derived from the confirmed QSO store; recomputed when
+    // the store changes (LoTW/Wavelog sync).
+    val awardProgress: List<AwardProgress> = remember(uiState.workedGridQsos) {
+        AwardCalculator.calculate(uiState.workedGridQsos)
+    }
+    // Attach the tap listener whenever grid mode / worked grids change.
+    val workedGrids = uiState.workedGrids
+    val isGridMode = uiState.isGridMode
+    DisposableEffect(isGridMode, workedGrids) {
+        val receiver = object : org.osmdroid.events.MapEventsReceiver {
+            override fun singleTapConfirmedHelper(p: GeoPoint?): Boolean {
+                if (!isGridMode || p == null) return false
+                val zoom = mapView.zoomLevelDouble
+                // Allow tapping worked cells as soon as the 4-char grid LINES
+                // appear (GRID_ZOOM_SUB), not only when labels show (LABEL_ZOOM_SUB).
+                if (zoom < MaidenheadGridOverlay.GRID_ZOOM_SUB) return false
+                val grid = gridOfPoint(p.latitude, p.longitude) ?: return false
+                if (grid !in workedGrids) return false
+                selectedGrid = grid
+                return true
+            }
+
+            override fun longPressHelper(p: GeoPoint?): Boolean = false
+        }
+        val eventsOverlay = org.osmdroid.views.overlay.MapEventsOverlay(receiver)
+        mapView.overlays.add(eventsOverlay)
+        onDispose { mapView.overlays.remove(eventsOverlay) }
+    }
+    // Keep the overlay's selected highlight in sync with the dialog.
+    LaunchedEffect(selectedGrid) {
+        (mapView.overlays.getOrNull(OVERLAY_GRID) as? MaidenheadGridOverlay)?.selectedGrid = selectedGrid
+        mapView.invalidate()
+    }
+
    LaunchedEffect(uiState.track) {
+        // In grid mode the map is centered on the local grid square; following
+        // the satellite subpoint here would override that centering on every
+        // track update, so skip the tracking animation entirely.
+        if (uiState.isGridMode) return@LaunchedEffect
        val firstPos = uiState.track?.firstOrNull()?.firstOrNull() ?: return@LaunchedEffect
        mapView.controller.animateTo(GeoPoint(firstPos.latitude, firstPos.longitude))
    }
    Column(modifier = Modifier.layoutPadding(), verticalArrangement = Arrangement.spacedBy(6.dp)) {
        val isVertical = isVerticalLayout()
-        if (isVertical) {
+        if (isGridMode) {
+            // Grid mode: replace the satellite-selection top bar with the
+            // award filter chips (All / DXCC / VUCC / WAPC / WAJA / WAZ / WAS).
+            AwardChipsRow(
+                progress = awardProgress,
+                selected = selectedAward,
+                onSelect = { selectedAward = it }
+            )
+        } else if (isVertical) {
            TopBar {
                IconCard(action = { onAction(MapAction.SelectPrev) }, resId = R.drawable.ic_arrow, modifier = rotateMod)
                TimerRow(timeString = timeString, isTimeAos = isTimeAos)
@@ -165,17 +232,29 @@ private fun MapScreen(uiState: MapState, onAction: (MapAction) -> Unit, mapView:
                // the map page with grid mode already ON also centers the map.
                var prevGridMode by remember { mutableStateOf(false) }
                AndroidView({ mapView }) { view ->
-                    // Center on the station grid whenever entering grid mode.
-                    // Only mark the transition as consumed once a real position
-                    // was available; otherwise a first frame with a null
-                    // stationPosition would swallow the centering forever.
-                    val shouldCenter = uiState.isGridMode && !prevGridMode
-                    setGridMode(
-                        uiState.isGridMode, uiState.workedGrids, view,
-                        if (shouldCenter) uiState.stationPosition else null
-                    )
-                    if (!shouldCenter || uiState.stationPosition != null) {
+                    // Award filter mode: show the selected award's regions with
+                    // worked ones filled green; hide satellite layers like grid mode.
+                    val awardMode = selectedAward?.takeIf { it != AwardType.VUCC }
+                    if (uiState.isGridMode && awardMode != null) {
+                        setAwardMode(
+                            awardMode,
+                            awardProgress.firstOrNull { it.type == awardMode }?.workedKeys.orEmpty(),
+                            view
+                        )
                        prevGridMode = uiState.isGridMode
+                    } else {
+                        // Center on the station grid whenever entering grid mode.
+                        // Only mark the transition as consumed once a real position
+                        // was available; otherwise a first frame with a null
+                        // stationPosition would swallow the centering forever.
+                        val shouldCenter = uiState.isGridMode && !prevGridMode
+                        setGridMode(
+                            uiState.isGridMode, uiState.workedGrids, view,
+                            if (shouldCenter) uiState.stationPosition else null
+                        )
+                        if (!shouldCenter || uiState.stationPosition != null) {
+                            prevGridMode = uiState.isGridMode
+                        }
                    }
                    if (!uiState.isGridMode) {
                        uiState.stationPosition?.let { setStationPosition(it, view) }
@@ -193,11 +272,166 @@ private fun MapScreen(uiState: MapState, onAction: (MapAction) -> Unit, mapView:
                        if (isVertical) MapDataCard(mapData) else MapDataCards(mapData)
                    }
                }
+                GridModeToggle(
+                    isGridMode = uiState.isGridMode,
+                    onToggle = { onAction(MapAction.ToggleGridMode(it)) },
+                    modifier = Modifier
+                        .align(Alignment.TopEnd)
+                        .padding(8.dp)
+                )
+            }
+        }
+    }
+    // Centered dialog listing the tapped worked grid's confirmed satellite QSOs.
+    // Dismissed by tapping outside (no explicit close button).
+    selectedGrid?.let { grid ->
+        WorkedGridQsoDialog(
+            grid = grid,
+            qsos = uiState.workedGridQsos[grid].orEmpty().sortedBy { it.epochMs },
+            isUtc = uiState.isUtc,
+            onDismiss = { selectedGrid = null }
+        )
+    }
+}
+
+// region Worked-grid QSO dialog
+
+@Composable
+private fun WorkedGridQsoDialog(
+    grid: String,
+    qsos: List<com.rtbishop.look4sat.core.domain.model.GridQso>,
+    isUtc: Boolean,
+    onDismiss: () -> Unit
+) {
+    androidx.compose.ui.window.Dialog(onDismissRequest = onDismiss) {
+        // Centered card, ~85% width, internal scroll for long lists.
+        Card(
+            colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surfaceContainerLow),
+            modifier = Modifier.fillMaxWidth(0.88f)
+        ) {
+            Column {
+                // Header: grid + counts
+                Column(Modifier.padding(horizontal = 16.dp, vertical = 10.dp)) {
+                    Text(
+                        text = grid,
+                        style = MaterialTheme.typography.titleLarge,
+                        color = MaterialTheme.colorScheme.primary,
+                        fontFamily = androidx.compose.ui.text.font.FontFamily.Monospace
+                    )
+                    val distinctCalls = qsos.map { it.call }.distinct().size
+                    Text(
+                        text = stringResource(R.string.grid_qso_calls_count, distinctCalls, qsos.size),
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                }
+                androidx.compose.material3.HorizontalDivider()
+                if (qsos.isEmpty()) {
+                    Text(
+                        text = stringResource(R.string.grid_qso_no_sat),
+                        style = MaterialTheme.typography.bodySmall,
+                        modifier = Modifier.padding(16.dp)
+                    )
+                } else {
+                    // Group by callsign preserving first-contact order (list is
+                    // already sorted oldest-first); expandable rows.
+                    val grouped = remember(qsos) {
+                        qsos.groupBy { it.call }.entries.sortedBy { it.value.first().epochMs }
+                    }
+                    Column(
+                        Modifier
+                            .heightIn(max = 380.dp)
+                            .verticalScroll(rememberScrollState())
+                    ) {
+                        grouped.forEach { (call, callQsos) ->
+                            WorkedGridCallRow(call, callQsos = callQsos, isUtc = isUtc)
+                            androidx.compose.material3.HorizontalDivider(color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.3f))
+                        }
+                    }
+                }
            }
        }
    }
 }

+@Composable
+private fun WorkedGridCallRow(
+    call: String,
+    callQsos: List<com.rtbishop.look4sat.core.domain.model.GridQso>,
+    isUtc: Boolean,
+) {
+    var expanded by remember { mutableStateOf(false) }
+    val first = callQsos.first()
+    Column(Modifier.fillMaxWidth().padding(horizontal = 16.dp, vertical = 8.dp)) {
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier
+                .fillMaxWidth()
+                .clickable { expanded = !expanded }
+        ) {
+            Text(
+                text = call,
+                style = MaterialTheme.typography.titleMedium,
+                fontFamily = androidx.compose.ui.text.font.FontFamily.Monospace,
+                color = MaterialTheme.colorScheme.tertiary,
+                modifier = Modifier.weight(1f)
+            )
+            Text(
+                text = formatDate(first.epochMs, isUtc),
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+            Text(
+                text = if (expanded) " ▴" else " ▾",
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.primary
+            )
+        }
+        // First-QSO summary line, always visible.
+        Text(
+            text = stringResource(R.string.grid_qso_first) + " · " + qsoSummary(first, isUtc),
+            style = MaterialTheme.typography.bodySmall,
+            modifier = Modifier.padding(top = 3.dp)
+        )
+        // Subsequent QSOs in this grid, revealed on expand. No ordinal prefix;
+        // each line carries its own date (the first QSO's date already sits in
+        // the header row).
+        if (expanded && callQsos.size > 1) {
+            callQsos.drop(1).forEach { qso ->
+                Text(
+                    text = formatDate(qso.epochMs, isUtc) + " · " + qsoSummary(qso, isUtc),
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    modifier = Modifier.padding(top = 3.dp)
+                )
+            }
+        }
+    }
+}
+
+private fun qsoSummary(qso: com.rtbishop.look4sat.core.domain.model.GridQso, isUtc: Boolean): String {
+    val sat = qso.satName.ifBlank { "?" }
+    val mode = qso.mode.ifBlank { "?" }
+    val band = qso.bandLabel
+    val time = formatTime(qso.epochMs, isUtc)
+    return listOf(sat, mode, band, time).filter { it.isNotBlank() }.joinToString(" · ")
+}
+
+private fun formatDate(epochMs: Long, isUtc: Boolean): String {
+    if (epochMs <= 0L) return "--"
+    val zone = if (isUtc) java.time.ZoneOffset.UTC else java.time.ZoneId.systemDefault()
+    return java.time.Instant.ofEpochMilli(epochMs).atZone(zone)
+        .format(java.time.format.DateTimeFormatter.ofPattern("yyyy-MM-dd"))
+}
+
+private fun formatTime(epochMs: Long, isUtc: Boolean): String {
+    if (epochMs <= 0L) return "--:--"
+    val zone = if (isUtc) java.time.ZoneOffset.UTC else java.time.ZoneId.systemDefault()
+    return java.time.Instant.ofEpochMilli(epochMs).atZone(zone)
+        .format(java.time.format.DateTimeFormatter.ofPattern(if (isUtc) "HH:mm'Z'" else "HH:mm"))
+}
+// endregion
+
 // region Map data composables
@Composable
 private fun MapDataCard(data: MapData) {
@@ -255,7 +489,8 @@ private fun MapDataCards(data: MapData) {
                Text(text = stringResource(R.string.map_elevation, data.elevation))
            }
        }
-        Card(colors = cardColors, modifier = Modifier.align(Alignment.TopEnd)) {
+        // Top-end card is offset down to make room for the grid-mode toggle pill.
+        Card(colors = cardColors, modifier = Modifier.align(Alignment.TopEnd).padding(top = 60.dp)) {
            Column(horizontalAlignment = Alignment.End, modifier = paddingMod) {
                Text(text = stringResource(R.string.map_altitude, data.altitude), color = textColor)
                Text(text = stringResource(R.string.map_distance, data.range))
@@ -282,8 +517,127 @@ private fun MapDataCards(data: MapData) {
 }
 // endregion

+// region Grid mode toggle pill
+
+/**
+ * Award filter chips row shown in grid mode (replaces the satellite-selection
+ * top bar). "All" = plain worked-grid view; each award chip carries its live
+ * progress (count/target) and selecting it switches the map to the award's
+ * boundary view.
+ */
+@Composable
+private fun AwardChipsRow(
+    progress: List<AwardProgress>,
+    selected: AwardType?,
+    onSelect: (AwardType?) -> Unit
+) {
+    LazyRow(
+        horizontalArrangement = Arrangement.spacedBy(6.dp),
+        modifier = Modifier.fillMaxWidth()
+    ) {
+        item {
+            FilterChip(
+                selected = selected == null,
+                onClick = { onSelect(null) },
+                label = {
+                    Text(
+                        text = stringResource(R.string.map_award_all),
+                        fontSize = 12.sp
+                    )
+                },
+                colors = FilterChipDefaults.filterChipColors()
+            )
+        }
+        items(progress) { p ->
+            FilterChip(
+                selected = selected == p.type,
+                onClick = { onSelect(p.type) },
+                label = {
+                    Text(
+                        text = "${p.type.name} ${p.count}/${p.target}",
+                        fontSize = 12.sp
+                    )
+                },
+                colors = FilterChipDefaults.filterChipColors()
+            )
+        }
+    }
+}
+
+/**
+ * Compact pill toggle for switching between satellite view and grid mode,
+ * floated over the map's top-right corner. The label reflects the active
+ * mode ("Grid mode" when ON, "Satellite mode" when OFF). Semi-transparent
+ * background keeps the map readable underneath.
+ */
+@Composable
+private fun GridModeToggle(
+    isGridMode: Boolean,
+    onToggle: (Boolean) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Surface(
+        color = ComposeColor.Black.copy(alpha = 0.45f),
+        shape = RoundedCornerShape(percent = 50),
+        modifier = modifier
+    ) {
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.padding(start = 12.dp, end = 6.dp, top = 2.dp, bottom = 2.dp)
+        ) {
+            Text(
+                text = stringResource(
+                    if (isGridMode) R.string.map_grid_mode else R.string.map_satellite_mode
+                ),
+                color = ComposeColor.White,
+                fontSize = 12.sp,
+                modifier = Modifier.padding(end = 2.dp)
+            )
+            Switch(
+                checked = isGridMode,
+                onCheckedChange = onToggle,
+                modifier = Modifier.scale(0.75f)
+            )
+        }
+    }
+}
+
+// endregion
+
 // region Map overlay helpers

+/**
+ * Switches the grid-slot overlay to the award boundary view for the given
+ * award: loads the boundary asset once (cached), paints worked regions green.
+ * Satellite-related layers are hidden exactly like grid mode. VUCC keeps the
+ * plain Maidenhead grid overlay (the grid view IS the VUCC view).
+ */
+private fun setAwardMode(award: AwardType, workedCodes: Set<String>, mapView: MapView) {
+    val asset = when (award) {
+        AwardType.WAPC -> AwardBoundaryData.AwardAsset.WAPC
+        AwardType.WAJA -> AwardBoundaryData.AwardAsset.WAJA
+        AwardType.WAZ -> AwardBoundaryData.AwardAsset.WAZ
+        AwardType.WAS -> AwardBoundaryData.AwardAsset.WAS
+        AwardType.DXCC -> AwardBoundaryData.AwardAsset.DXCC
+        AwardType.VUCC -> return
+    }
+    val overlay = mapView.overlays.getOrNull(OVERLAY_GRID)
+    if (overlay is AwardBoundaryOverlay) {
+        overlay.isEnabled = true
+        overlay.regions = AwardBoundaryData.load(mapView.context, asset)
+        overlay.workedCodes = workedCodes
+    } else {
+        mapView.overlays[OVERLAY_GRID] = AwardBoundaryOverlay().apply {
+            isEnabled = true
+            regions = AwardBoundaryData.load(mapView.context, asset)
+            this.workedCodes = workedCodes
+        }
+    }
+    for (index in OVERLAY_STATION..OVERLAY_MOON) {
+        mapView.overlays.getOrNull(index)?.isEnabled = false
+    }
+}
+
 /** Toggle the grid-mode layer visibility on/off without recreating any overlay. */
 private fun setGridMode(
    gridMode: Boolean,
@@ -310,16 +664,23 @@ private fun setGridMode(
            mapView.overlays.getOrNull(index)?.isEnabled = !gridMode
        }
        // Entering grid mode: center on the station's current grid square,
-        // keeping the current zoom level unchanged.
+        // keeping the current zoom level unchanged. post{} is essential: on the
+        // first composition this runs before MapView's first layout, and a
+        // setCenter issued pre-layout is discarded when the view lays out —
+        // the map then keeps its default center forever.
        if (gridMode) {
            val pos = stationPosition ?: return
            val lat = pos.latitude
            val lon = pos.longitude
+            // Maidenhead field indices: field 0 spans -90..-80° lat and
+            // -180..-160° lon, so the field-center must be offset by those
+            // bases — omitting them maps e.g. OL62's field center to
+            // 115°N/290°E (an ocean a hemisphere away) instead of 25°N/110°E.
            val fieldLat = ((lat + 90.0) / 10.0).toInt().coerceIn(0, 17)
            val fieldLon = ((lon + 180.0) / 20.0).toInt().coerceIn(0, 17)
-            val centerLat = fieldLat * 10.0 + 5.0
-            val centerLon = fieldLon * 20.0 + 10.0
-            mapView.controller.setCenter(GeoPoint(centerLat, centerLon))
+            val centerLat = fieldLat * 10.0 + 5.0 - 90.0
+            val centerLon = fieldLon * 20.0 + 10.0 - 180.0
+            mapView.post { mapView.controller.setCenter(GeoPoint(centerLat, centerLon)) }
        }
    } catch (e: Exception) {
        println(e)
@@ -338,6 +699,17 @@ private fun ownGridOf(stationPosition: GeoPos?): String? {
    return "${'A' + fieldLon}${'A' + fieldLat}$subLon$subLat"
 }

+/** The 4-char Maidenhead gridsquare containing the given point, or null outside the grid. */
+private fun gridOfPoint(latitude: Double, longitude: Double): String? {
+    if (latitude < -90.0 || latitude >= 90.0) return null
+    val lon = ((longitude + 180.0) % 360.0 + 360.0) % 360.0 - 180.0
+    val fieldLat = ((latitude + 90.0) / 10.0).toInt().coerceIn(0, 17)
+    val fieldLon = ((lon + 180.0) / 20.0).toInt().coerceIn(0, 17)
+    val subLat = ((latitude + 90.0) % 10.0).toInt()
+    val subLon = ((lon + 180.0) % 20.0 / 2.0).toInt()
+    return "${'A' + fieldLon}${'A' + fieldLat}$subLon$subLat"
+}
+
 private fun setStationPosition(stationPos: GeoPos, mapView: MapView) {
    try {
        val overlay = mapView.overlays[OVERLAY_STATION]
@@ -28,6 +28,7 @@ data class MapState(
    val isUtc: Boolean = false,
    val isGridMode: Boolean = false,
    val workedGrids: Set<String> = emptySet(),
+    val workedGridQsos: Map<String, List<com.rtbishop.look4sat.core.domain.model.GridQso>> = emptyMap(),
    val stationPosition: GeoPos? = null,
    val orbitalPass: OrbitalPass,
    val track: List<List<GeoPos>>? = null,
@@ -44,6 +45,7 @@ sealed interface MapAction {
    data object SelectNext : MapAction
    data class SelectItem(val item: OrbitalObject) : MapAction
    data class SelectDefaultItem(val catnum: Int) : MapAction
+    data class ToggleGridMode(val value: Boolean) : MapAction
 }

 data class MapData(
@@ -79,7 +79,12 @@ class MapViewModel(
        }
        viewModelScope.launch {
            settingsRepo.wavelogSettings.collectLatest { _ ->
-                _uiState.update { it.copy(workedGrids = settingsRepo.getWorkedGrids()) }
+                _uiState.update {
+                    it.copy(
+                        workedGrids = settingsRepo.getWorkedGrids(),
+                        workedGridQsos = settingsRepo.getWorkedGridQsos()
+                    )
+                }
            }
        }
        val (selectedCatNum, _) = satelliteRepo.selectedPass.value
@@ -93,6 +98,7 @@ class MapViewModel(
            MapAction.SelectNext -> scrollSelection(false)
            is MapAction.SelectItem -> selectSatellite(action.item)
            is MapAction.SelectDefaultItem -> selectDefaultSatellite(action.catnum)
+            is MapAction.ToggleGridMode -> settingsRepo.updateOtherSettings { it.copy(stateOfMapGrid = action.value) }
        }
    }

@@ -89,7 +89,8 @@ fun MutualScreen(
                    Text(
                        text = stringResource(R.string.mutual_title),
                        style = MaterialTheme.typography.titleMedium,
-                        fontWeight = FontWeight.Bold
+                        fontWeight = FontWeight.Bold,
+                        modifier = Modifier.padding(start = 12.dp)
                    )
                },
                bottomInfo = {
@@ -99,7 +100,9 @@ fun MutualScreen(
                        color = MaterialTheme.colorScheme.onSurfaceVariant,
                        maxLines = 1,
                        overflow = TextOverflow.Ellipsis,
-                        modifier = Modifier.weight(1f)
+                        modifier = Modifier
+                            .weight(1f)
+                            .padding(start = 12.dp)
                    )
                },
                endAction = {
@@ -238,10 +238,13 @@ fun LoTWDialog(
    SharedDialog(
        title = stringResource(R.string.prefs_lotw_title),
        onCancel = dismiss,
+        // The confirm button IS the sync action: saving credentials and
+        // fetching confirmed grids happen in one step.
        onAccept = {
-            onSave(com.rtbishop.look4sat.core.domain.model.LoTWSettings(call.value, pass.value))
-            dismiss()
-        }
+            onSync(com.rtbishop.look4sat.core.domain.model.LoTWSettings(call.value, pass.value))
+        },
+        acceptText = stringResource(if (isSyncing) R.string.prefs_lotw_syncing else R.string.prefs_lotw_sync),
+        acceptEnabled = !isSyncing
    ) {
        OutlinedTextField(
            value = call.value,
@@ -273,20 +276,6 @@ fun LoTWDialog(
                modifier = Modifier.padding(horizontal = LocalSpacing.current.large)
            )
        }
-        // Sync uses the values typed in the fields directly — saving and syncing
-        // happen in one step, no need to close and reopen the dialog.
-        Row(
-            horizontalArrangement = Arrangement.End,
-            modifier = Modifier.fillMaxWidth().padding(horizontal = LocalSpacing.current.large)
-        ) {
-            TextButton(
-                onClick = { onSync(com.rtbishop.look4sat.core.domain.model.LoTWSettings(call.value, pass.value)) },
-                enabled = !isSyncing
-            ) {
-                Text(text = if (isSyncing) stringResource(R.string.prefs_lotw_syncing)
-                else stringResource(R.string.prefs_lotw_sync))
-            }
-        }
        Spacer(modifier = Modifier.height(0.dp))
    }
 }
@@ -203,18 +203,6 @@ private fun SettingsScreen(uiState: SettingsState, onAction: (SettingsAction) ->
            onSave = { onAction(SettingsAction.UpdateRadioControl(it)) }
        )
    }
-    if (dialogs.wavelog) {
-        WavelogDialog(
-            initialSettings = uiState.wavelogSettings,
-            workedGridsCount = uiState.workedGridsCount,
-            isSyncing = uiState.wavelogSyncing,
-            message = uiState.wavelogMessage,
-            dismiss = { dialogs.wavelog = false },
-            onSave = { onAction(SettingsAction.UpdateWavelog(it)) },
-            onSync = { onAction(SettingsAction.SyncWorkedGrids(it)) }
-        )
-    }
-
    if (dialogs.lotw) {
        LoTWDialog(
            initialSettings = uiState.lotwSettings,
@@ -330,13 +318,6 @@ private fun SettingsScreen(uiState: SettingsState, onAction: (SettingsAction) ->
                    onRadioControlClick = { dialogs.radioControl = true }
                )
            }
-            item {
-                WavelogCard(
-                    settings = uiState.wavelogSettings,
-                    workedGridsCount = uiState.workedGridsCount,
-                    showWavelogDialog = { dialogs.wavelog = true }
-                )
-            }
            item {
                LoTWCard(
                    settings = uiState.lotwSettings,
@@ -581,44 +562,6 @@ private fun SwitchRow(labelResId: Int, checked: Boolean, onCheckedChange: (Boole
    }
 }

-@Preview(showBackground = true)
-@Composable
-private fun WavelogCardPreview() = MainTheme {
-    WavelogCard(settings = WavelogSettings("http://192.168.1.10", "wl2_demo"), workedGridsCount = 42) {}
-}
-
-@Composable
-private fun WavelogCard(
-    settings: WavelogSettings,
-    workedGridsCount: Int,
-    showWavelogDialog: () -> Unit
-) {
-    ElevatedCard(modifier = Modifier.fillMaxWidth()) {
-        Column(modifier = Modifier.padding(horizontal = 8.dp, vertical = 4.dp)) {
-            Text(
-                text = stringResource(id = R.string.prefs_wavelog_title),
-                color = MaterialTheme.colorScheme.primary
-            )
-            Spacer(modifier = Modifier.height(2.dp))
-            Text(
-                text = if (settings.isConfigured) {
-                    stringResource(R.string.prefs_wavelog_configured, workedGridsCount)
-                } else {
-                    stringResource(R.string.prefs_wavelog_not_configured)
-                },
-                style = MaterialTheme.typography.bodySmall,
-                maxLines = 2
-            )
-            Spacer(modifier = Modifier.height(4.dp))
-            CardButton(
-                onClick = showWavelogDialog,
-                text = stringResource(id = R.string.prefs_wavelog_configure),
-                modifier = Modifier.fillMaxWidth()
-            )
-        }
-    }
-}
-
@Composable
 private fun LoTWCard(
    settings: com.rtbishop.look4sat.core.domain.model.LoTWSettings,
@@ -201,16 +201,47 @@ class SettingsViewModel(
        settingsRepo.updateLoTWSettings(settings)
        _uiState.update { it.copy(lotwSyncing = true, lotwMessage = null) }
        viewModelScope.launch {
-            val lotwGrids = lotwRepo.fetchConfirmedGrids(settings.callsign, settings.password)
-            _uiState.update { state ->
-                if (lotwGrids == null) {
-                    state.copy(lotwSyncing = false, lotwMessage = "LoTW sync failed — check callsign/password/network")
-                } else {
-                    // Merge with Wavelog grids: union of both sources, all confirmed/worked
-                    val merged = settingsRepo.getWorkedGrids() + lotwGrids
-                    settingsRepo.setWorkedGrids(merged)
-                    state.copy(lotwSyncing = false, workedGridsCount = merged.size, lotwMessage = null)
+            when (val result = lotwRepo.fetchConfirmedGridQsos(settings.callsign, settings.password)) {
+                is com.rtbishop.look4sat.core.domain.repository.LoTWResult.Success -> {
+                    // Wavelog entry removed: LoTW is now the only source, so the
+                    // synced set fully replaces the stored worked grids.
+                    settingsRepo.setWorkedGrids(result.grids)
+                    settingsRepo.setWorkedGridQsos(result.qsos)
+                    _uiState.update { state ->
+                        state.copy(
+                            lotwSyncing = false, workedGridsCount = result.grids.size,
+                            lotwMessage = null
+                        )
+                    }
                }
+                is com.rtbishop.look4sat.core.domain.repository.LoTWResult.BadCredentials ->
+                    _uiState.update { state ->
+                        state.copy(
+                            lotwSyncing = false,
+                            lotwMessage = "LoTW sync failed — callsign or password incorrect"
+                        )
+                    }
+                is com.rtbishop.look4sat.core.domain.repository.LoTWResult.RateLimited ->
+                    _uiState.update { state ->
+                        state.copy(
+                            lotwSyncing = false,
+                            lotwMessage = "LoTW sync failed — rate limited by server, wait a few minutes and retry"
+                        )
+                    }
+                is com.rtbishop.look4sat.core.domain.repository.LoTWResult.Timeout ->
+                    _uiState.update { state ->
+                        state.copy(
+                            lotwSyncing = false,
+                            lotwMessage = "LoTW sync failed — connection timed out, try another network"
+                        )
+                    }
+                is com.rtbishop.look4sat.core.domain.repository.LoTWResult.NetworkError ->
+                    _uiState.update { state ->
+                        state.copy(
+                            lotwSyncing = false,
+                            lotwMessage = "LoTW sync failed — network error (${result.detail})"
+                        )
+                    }
            }
        }
    }
@@ -1,8 +1,8 @@
 [versions]
 #noinspection UnusedVersionCatalogEntry
-appVersionCode = "457"
+appVersionCode = "464"
 #noinspection UnusedVersionCatalogEntry
-appVersionName = "4.4.6-ba7opf.9.5"
+appVersionName = "4.4.6-ba7opf.9.14"
 #noinspection UnusedVersionCatalogEntry
 compileSdk = "37"
 #noinspection UnusedVersionCatalogEntry
Author	SHA1	Message	Date
atsunatsu	36d091a7e1	chore: bump version to 4.4.6-ba7opf.9.14	2026-09-08 16:44:11 +08:00
atsunatsu	20143cf096	fix(lotw): strip STATE ' // Name' suffix for award stats LoTW returns STATE as 'CODE // Name' (verified with a real report 2026-09), e.g. 'GD // Guangdong' (China), '34 // Tottori-ken' (Japan), 'CA // California' (US). The award calculator matched on the bare CODE, so every mainland China province (WAPC), all Japan prefectures (WAJA) and US states (WAS) failed — WAPC only showed HK/MO/TW (entity branch, no STATE needed) and WAJA was empty. Normalize STATE once at parse time: strip the ' // Name' suffix so the stored GridQso.state is the clean code consumed by persistence and AwardCalculator. Add a test covering China/Japan/US formats.	2026-09-08 11:22:24 +08:00
atsunatsu	a64f9c80b9	fix(map): split award boundary rings at antimeridian + anchor projection DXCC (Russia/Fiji/Antarctica) and WAZ (Pacific CQ zones 1/19/31/32) polygon rings cross ±180. The old overlay normalized every vertex to [-180,180) independently, folding far-side vertices onto the opposite screen edge and drawing a spurious line sweeping across the whole map (esp. at low zoom: DXCC horizontal/vertical lines, WAZ extra long edges). Split each ring into contiguous segments at the antimeridian, then project each segment anchored on its first vertex with continuous longitude offsets (no per-vertex fold). Ring geometry stays intact while panning/zooming.	2026-09-08 11:22:16 +08:00
atsunatsu	db0320f521	chore: bump version to 4.4.6-ba7opf.9.13	2026-09-08 08:47:56 +08:00
atsunatsu	adc9ac008b	fix(map): restore grid lines between worked cells The .9.11 skip logic removed every line segment bordering a worked gridsquare, which also erased the shared edges between adjacent worked cells — adjacent greens merged into one unreadable patch. Revert to drawing the full Maidenhead grid unconditionally; the green fills stay on top exactly as before.	2026-09-08 08:26:44 +08:00
atsunatsu	4a33d1b19a	feat(map): award filters with boundary overlay in grid mode - Grid-mode top bar replaced with award filter chips (All/DXCC/VUCC/ WAPC/WAJA/WAZ/WAS) showing live progress (count/target) - New AwardBoundaryOverlay renders real administrative boundaries (provinces/prefectures/CQ zones/states/countries) with the VUCC visual language: yellow boundary lines, green fill for worked regions, labels - Boundary assets packaged from public GeoJSON (DataV China, Japan land, HB9HIL CQ zones, Natural Earth states/countries) with ADIF match keys: WAPC province codes, WAJA ADIF prefecture numbers, US state abbrs, ARRL DXCC entity codes - GridQso extended with dxcc/country/cqz/state parsed from LoTW report (qso_qsldetail); AwardCalculator derives six-award progress; STATE is interpreted per DXCC entity (ADIF 'STATE depends on DXCC') - Grid-mode toggle pill floated at map top-right (Grid mode / Satellite mode) - New tests: AwardCalculatorTest (9 cases), LoTW award-field parsing (3 cases)	2026-09-08 08:22:12 +08:00
atsunatsu	cce9209b3d	chore: bump version to 4.4.6-ba7opf.9.12	2026-09-08 06:14:34 +08:00
atsunatsu	237e4cb27a	fix(update): APK asset URL used stale '-release' filename — downloads 404'd Since v4.4.6-ba7opf.9.9 releases are uploaded as Look4Sat-<version>.apk (no '-release' suffix), but parseRelease still built the download URL as Look4Sat-<version>-release.apk. Update check succeeded (page parses) while the download 404'd ('下载失败请重试'). Align the generated URL with the actual asset name; mirror-prefixed URLs fixed too.	2026-09-08 06:09:42 +08:00
atsunatsu	cd3eded77c	chore: bump version to 4.4.6-ba7opf.9.11	2026-09-08 06:03:35 +08:00
atsunatsu	7d7f8f1eda	feat(map): expanded QSO list — drop ordinal prefix, add per-QSO date Expanded per-callsign rows previously read '2 · FO-29 · CW · V/U · 11:30Z' (ordinal + summary, no date). Now each expanded line is 'yyyy-MM-dd · FO-29 · CW · V/U · 11:30Z' — the first QSO's date already lives in the header row, so only subsequent QSOs carry a date prefix.	2026-09-08 05:57:27 +08:00
atsunatsu	11b46c6710	feat(map): tap worked cells from GRID_ZOOM_SUB (lines visible), labels from zoom 6.5 - Tap-to-show-QSOs now works as soon as 4-char grid lines appear (zoom 6), not only when 4-char labels show (was zoom 7). Selection outline already used GRID_ZOOM_SUB, so feedback is immediate. - 4-char labels now appear from zoom 6.5 (was 7.0), so the sub-square name shows shortly after the lines appear instead of a full zoom level later.	2026-09-08 05:54:06 +08:00
atsunatsu	da1facac64	fix(map): world-repeat copies no longer repaint in place — alpha stacking made worked cells brighter and opaque Pixel analysis of the user's screenshot: worked-cell green measured RGB(57,160,74) against background RGB(16,16,15), which matches alpha≈178 — i.e. the alpha=90 fill painted ~3 times in place. Root cause: at low zoom colRepeats>0 and every turn loop shifted the cell by dLon=turn360°, but projectionToX() normalizes longitude back into [-180,180), so all turns collapsed onto the SAME screen x and each cell/line/label was painted 2colRepeats+1 times at one spot. Fix: keep the turn offset as a pixel shift (turn * worldWidthPx) on the x coordinate in ALL turn loops (worked fills at both zooms, vertical lines, horizontal lines, labels). World-repeat copies now land on their true screen positions instead of stacking on top of each other.	2026-09-08 05:46:08 +08:00
atsunatsu	cb1f341ed9	fix(map): field-zoom grid lines no longer cut through worked cells — root cause of 'green too bright' The previous fixes only handled sub-square zoom lines. At field zoom the 20°x10° grid lines were drawn unconditionally: cellLabel(zoom<6) returns 2-char fields which never match the 4-char workedGrids set, so every field line crossed every worked 2°x1° square. Bright-yellow (alpha 160) lines through the green fill is what read as 'green got brighter' — the fill color itself never changed. Now both line passes iterate the finer 2°x1° sub-grid (forced 4-char labels via GRID_ZOOM_SUB) and skip segments bordering worked cells, at field zoom and sub-square zoom alike. Revert the alpha softening (`c2e496c4`) — the fill was never the problem; also restores worked-cell labels (`7afce7ee` revert).	2026-09-08 05:28:12 +08:00
atsunatsu	c2e496c406	fix(map): soften worked-cell fill at sub-square zoom, restore cell labels Reverting the label-skip from `7afce7ee`: worked cells keep their 4-char labels. The 'green too bright' report is an area effect, not an overlay overdraw — the same alpha=90 fill that reads as a small patch at field zoom covers half the viewport at sub-square zoom. Use a softer fill (alpha 50) for the sub-square branch, field zoom unchanged.	2026-09-08 05:02:05 +08:00
atsunatsu	7afce7ee68	fix(map): skip labels on worked cells — bright-yellow 4-char text on green fill read as 'green too bright' The previous fix skipped grid LINES through worked cells, but each worked cell still got a bright-yellow (alpha 220 + black shadow) 4-char label drawn dead center on the green fill at zoom>=7. Field zoom never shows this because 2-char labels sit at field centers and almost never overlap a worked 2x1 square. Now worked cells stay completely label-free, matching the field-zoom look.	2026-09-08 04:47:43 +08:00
atsunatsu	86048ee1fd	fix(lotw): run report fetch on Dispatchers.IO — main-thread blocking caused ANR/crash fetchReportBody is a synchronous HttpURLConnection call (up to 30s connect + 120s read) but was invoked directly from a Main-dispatcher viewModelScope coroutine: the whole UI froze for the duration of the request, then Android killed the app with an ANR dialog. Wrap both fetch methods in withContext(Dispatchers.IO). Bug present since the endpoint was introduced.	2026-09-08 04:32:21 +08:00
atsunatsu	42a6ffa4c9	chore: bump version to 4.4.6-ba7opf.9.9	2026-09-08 04:17:52 +08:00
atsunatsu	cf1d8e6539	LoTW sync: distinguish failure causes (bad credentials / rate limit / timeout / network) Rate limit classification per ARRL policy (one download in progress per user id; HTTP 503 'Page request limit' observed on throttled pulls) and the HTML login-error page returned for wrong credentials. Settings screen now shows a specific message per cause instead of one generic 'check callsign/password/network'.	2026-09-08 04:07:03 +08:00
atsunatsu	ab8b072f1f	fix(map): worked cells at sub-square zoom stay line-free — grid lines skip worked segments Lines (alpha 160 yellow) were drawn AFTER the worked fills (alpha 90 green), so at zoom>=6 every worked cell's four borders got yellow-on-green composited — the cells looked brighter than the same cells at field zoom (no square lines there). Segments bordering a worked cell are now skipped in both meridian and parallel passes.	2026-09-08 03:44:21 +08:00
atsunatsu	1d4036e3d0	fix(map): vertical grid lines vanish at global views — bbox now anchored on view center, not left/right edge pixels The antimeridian unwrap (span > 180 => shift left edge +360) misfired on every global view (span is legitimately > 180): the range inverted and the meridian loop drew nothing. Anchor the bbox on the view-center longitude plus half viewport width in degrees instead; continuous unwrapped range handles both antimeridian crossing and world repeats.	2026-09-08 03:25:12 +08:00
atsunatsu	ab22244f86	fix(map): grid-mode field center offset by -90/-180 base Maidenhead field index 0 spans -90..-80 lat / -180..-160 lon, so the field-center must subtract those bases. Without them, entering grid mode centered a hemisphere away (OL62 -> 115N/290E instead of 25N/110E).	2026-09-08 03:19:40 +08:00
atsunatsu	3b0874d707	chore: bump version to 4.4.6-ba7opf.9.8	2026-09-08 02:56:16 +08:00
atsunatsu	2c5b1479f1	test(lotw): VUCC up to 4 grids in one contact; clarify comment	2026-09-08 02:51:24 +08:00
atsunatsu	39d4498a54	feat(map): tap worked grid at zoom>=7 to show per-grid satellite QSO dialog - LoTW sync now stores per-QSO detail (call/time/sat/mode/bands) grouped by gridsquare (PROP_MODE=SAT only), single JSON blob in SharedPreferences - GridQso model derives band label (V/U, U/V, V/A...) from BAND_RX/BAND - Tap detection via osmdroid MapEventsOverlay; selected grid outlined green - Centered dialog: calls sorted by first-contact time, first-QSO summary, expandable call rows list subsequent QSOs in that grid; tap outside closes	2026-09-08 02:47:54 +08:00
atsunatsu	9ed2aebc9d	fix(lotw): only collect satellite QSO grids (PROP_MODE=SAT); keep both grids of VUCC_GRIDS pairs	2026-09-08 02:09:25 +08:00
atsunatsu	72d5e13acf	tune(map): 4-char sub-square labels at zoom>=7; zoom 6 shows grid lines only	2026-09-08 01:55:40 +08:00
atsunatsu	736dc23aae	chore(map): drop unused FIELD_ZOOM_LABELS constant	2026-09-08 01:52:01 +08:00
atsunatsu	052ba79c94	fix(map): field labels visible at all zooms (pixel-size gated), not gated by FIELD_ZOOM_LABELS	2026-09-08 01:51:14 +08:00
atsunatsu	cb648caf65	tune(map): raise thresholds — sub-square grid lines at zoom>=6 (was 5), field labels at zoom>=4 (was 3)	2026-09-08 01:48:24 +08:00
atsunatsu	05170541ed	fix(map): grid mode centering via view.post (first-layout reset); antimeridian unwrap of visible bbox fixes Pacific-centered vanishing grid; tile meridians/fills across world repeats at low zoom	2026-09-08 01:39:21 +08:00
atsunatsu	e75d2dc410	chore: bump version to 4.4.6-ba7opf.9.7	2026-09-08 00:27:17 +08:00
atsunatsu	d55a07bc26	feat(map): fill individual worked 2x1 degree squares green at field zoom without square grid lines	2026-09-08 00:14:05 +08:00
atsunatsu	c372386a77	fix(data): LoTW sync resilience — longer timeouts (30s/120s), gzip transfer, follow redirects; ARRL server-side latency is the bottleneck	2026-09-08 00:05:22 +08:00
atsunatsu	de6ade025c	feat(settings): LoTW dialog — hint rewritten without Wavelog, confirm button is now Sync, remove separate sync button	2026-09-07 23:29:19 +08:00
atsunatsu	2eb6d6cd5b	fix(map): stop satellite tracking animation in grid mode so it stays centered on the local grid	2026-09-07 22:54:19 +08:00
atsunatsu	c09f718aae	feat: mutual chip uses theme primary yellow, plain text distance; top bar text indent; low-zoom meridians via direct Mercator math (bypass osmdroid wrap bug); remove Wavelog sync entry — LoTW is the sole grid source (replace instead of merge)	2026-09-07 19:10:44 +08:00
				`@@ -0,0 +1 @@`
				{"type":"dxcc","regions":[{"id":0,"code":176,"name":"Fiji","label_lon":177.9759,"label_lat":-17.9376,"rings":[[[180.0,-16.0671],[180.0,-16.5552],[179.3641,-16.8014],[178.7251,-17.012],[178.5968,-16.6392],[179.0966,-16.434],[179.4135,-16.3791]],[[178.1256,-17.5048],[178.3736,-17.3399],[178.7181,-17.6285],[178.5527,-18.1506],[177.9327,-18.288],[177.3815,-18.1643],[177.285,-17.7247],[177.6709,-17.3811]],[[-179.7933,-16.0209],[-179.9174,-16.5018],[-180.0,-16.5552],[-180.0,-16.0671]]]},{"id":1,"code":470,"name":"Tanzania","label_lon":34.1421,"label_lat":-6.2078,"rings":[[[33.9037,-0.95],[34.0726,-1.0598],[37.6987,-3.097],[37.7669,-3.6771],[39.2022,-4.6768],[38.7405,-5.9089],[38.7998,-6.4757],[39.44,-6.84],[39.47,-7.1],[39.1947,-7.7039],[39.252,-8.0078],[39.1865,-8.4855],[39.5357,-9.1124],[39.9496,-10.0984],[40.3166,-10.3171],[40.3166,-10.3171],[39.521,-10.8969],[38.4276,-11.2852],[37.8276,-11.2688],[37.4713,-11.5688],[36.7752,-11.5945],[36.5141,-11.7209],[35.3124,-11.4391],[34.56,-11.52],[34.28,-10.16],[33.9408,-9.6937],[33.7397,-9.4171],[32.7594,-9.2306],[32.1919,-8.9304],[31.5563,-8.762],[31.1578,-8.5946],[30.74,-8.34],[30.74,-8.34],[30.2,-7.08],[29.62,-6.52],[29.42,-5.94],[29.52,-5.42],[29.34,-4.5],[29.7535,-4.4524],[30.1163,-4.0901],[30.5055,-3.5686],[30.7522,-3.3593],[30.743,-3.0343],[30.5277,-2.8076],[30.4697,-2.4139],[30.4697,-2.4138],[30.7583,-2.2872],[30.8161,-1.6989],[30.4191,-1.1347],[30.7699,-1.0146],[31.8662,-1.0274]]]},{"id":2,"code":302,"name":"W. 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				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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