diff --git a/app/build.gradle b/app/build.gradle
index 45f3e2cc..93d3ba89 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -73,7 +73,6 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
     implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle_version"
-    implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
     implementation "androidx.room:room-runtime:$room_version"
     implementation "androidx.room:room-ktx:$room_version"
     kapt "androidx.room:room-compiler:$room_version"
diff --git a/app/src/main/java/com/rtbishop/look4sat/SharedViewModel.kt b/app/src/main/java/com/rtbishop/look4sat/SharedViewModel.kt
index 2737ccf8..3609df08 100644
--- a/app/src/main/java/com/rtbishop/look4sat/SharedViewModel.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/SharedViewModel.kt
@@ -28,7 +28,9 @@ import com.rtbishop.look4sat.data.Result
 import com.rtbishop.look4sat.data.SatEntry
 import com.rtbishop.look4sat.data.SatPass
 import com.rtbishop.look4sat.data.TleSource
-import com.rtbishop.look4sat.repo.Repository
+import com.rtbishop.look4sat.repo.EntriesRepo
+import com.rtbishop.look4sat.repo.SourcesRepo
+import com.rtbishop.look4sat.repo.TransmittersRepo
 import com.rtbishop.look4sat.utility.PassPredictor
 import com.rtbishop.look4sat.utility.PrefsManager
 import kotlinx.coroutines.Dispatchers
@@ -39,7 +41,9 @@ import javax.inject.Singleton
 @Singleton
 class SharedViewModel @ViewModelInject constructor(
     private val prefsManager: PrefsManager,
-    private val repository: Repository,
+    private val sourcesRepo: SourcesRepo,
+    private val entriesRepo: EntriesRepo,
+    private val transmittersRepo: TransmittersRepo,
     @Assisted private val savedStateHandle: SavedStateHandle
 ) : ViewModel() {
 
@@ -53,10 +57,10 @@ class SharedViewModel @ViewModelInject constructor(
         }
     }
 
-    fun getSources() = repository.getSources()
-    fun getEntries() = repository.getEntries()
+    fun getSources() = sourcesRepo.getSources()
+    fun getEntries() = entriesRepo.getEntries()
     fun getPasses(): LiveData<Result<MutableList<SatPass>>> = _passes
-    fun getTransmittersForSat(satId: Int) = repository.getTransmittersForSat(satId)
+    fun getTransmittersForSat(satId: Int) = transmittersRepo.getTransmittersForSat(satId)
 
     fun triggerCalculation() {
         if (shouldTriggerCalculation) {
@@ -71,15 +75,15 @@ class SharedViewModel @ViewModelInject constructor(
 
     fun updateEntriesFromFile(uri: Uri) {
         viewModelScope.launch {
-            repository.updateEntriesFromFile(uri)
+            entriesRepo.updateEntriesFromFile(uri)
         }
     }
 
     fun updateEntriesFromSources(sources: List<TleSource>) {
         viewModelScope.launch {
-            repository.updateSources(sources)
-            repository.updateEntriesFromSources(sources)
-            repository.updateTransmitters()
+            sourcesRepo.updateSources(sources)
+            entriesRepo.updateEntriesFromSources(sources)
+            transmittersRepo.updateTransmitters()
         }
     }
 
@@ -87,7 +91,7 @@ class SharedViewModel @ViewModelInject constructor(
         viewModelScope.launch {
             selectedEntries = entries.filter { it.isSelected }
             calculatePasses()
-            repository.updateEntriesSelection(selectedEntries.map { it.catNum })
+            entriesRepo.updateEntriesSelection(selectedEntries.map { it.catNum })
         }
     }
 
@@ -111,7 +115,7 @@ class SharedViewModel @ViewModelInject constructor(
                 TleSource("https://celestrak.com/NORAD/elements/active.txt"),
                 TleSource("https://amsat.org/tle/current/nasabare.txt")
             )
-            repository.updateSources(defaultTleSources)
+            sourcesRepo.updateSources(defaultTleSources)
         }
     }
 
diff --git a/app/src/main/java/com/rtbishop/look4sat/di/RepoModule.kt b/app/src/main/java/com/rtbishop/look4sat/di/RepoModule.kt
index fa2508bb..c1a0aaff 100644
--- a/app/src/main/java/com/rtbishop/look4sat/di/RepoModule.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/di/RepoModule.kt
@@ -21,8 +21,7 @@ package com.rtbishop.look4sat.di
 
 import android.content.ContentResolver
 import android.content.Context
-import com.rtbishop.look4sat.repo.DefaultRepository
-import com.rtbishop.look4sat.repo.Repository
+import com.rtbishop.look4sat.repo.*
 import com.rtbishop.look4sat.repo.local.EntriesDao
 import com.rtbishop.look4sat.repo.local.SourcesDao
 import com.rtbishop.look4sat.repo.local.TransmittersDao
@@ -47,21 +46,26 @@ class RepoModule {
 
     @ActivityScoped
     @Provides
-    fun provideDefaultRepository(
+    fun provideEntriesRepo(
         resolver: ContentResolver,
         client: OkHttpClient,
-        transmittersApi: TransmittersApi,
-        entriesDao: EntriesDao,
+        entriesDao: EntriesDao
+    ): EntriesRepo {
+        return DefaultEntriesRepo(resolver, client, entriesDao)
+    }
+
+    @ActivityScoped
+    @Provides
+    fun provideSourcesRepo(sourcesDao: SourcesDao): SourcesRepo {
+        return DefaultSourcesRepo(sourcesDao)
+    }
+
+    @ActivityScoped
+    @Provides
+    fun provideTransmittersRepo(
         transmittersDao: TransmittersDao,
-        sourcesDao: SourcesDao
-    ): Repository {
-        return DefaultRepository(
-            resolver,
-            client,
-            transmittersApi,
-            entriesDao,
-            sourcesDao,
-            transmittersDao
-        )
+        transmittersApi: TransmittersApi
+    ): TransmittersRepo {
+        return DefaultTransmittersRepo(transmittersDao, transmittersApi)
     }
 }
diff --git a/app/src/main/java/com/rtbishop/look4sat/repo/DefaultRepository.kt b/app/src/main/java/com/rtbishop/look4sat/repo/DefaultEntriesRepo.kt
similarity index 54%
rename from app/src/main/java/com/rtbishop/look4sat/repo/DefaultRepository.kt
rename to app/src/main/java/com/rtbishop/look4sat/repo/DefaultEntriesRepo.kt
index 35e7d554..66d52fce 100644
--- a/app/src/main/java/com/rtbishop/look4sat/repo/DefaultRepository.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/repo/DefaultEntriesRepo.kt
@@ -1,22 +1,3 @@
-/*
- * Look4Sat. Amateur radio and weather satellite tracker and passes predictor for Android.
- * Copyright (C) 2019, 2020 Arty Bishop (bishop.arty@gmail.com)
- *
- * 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 2 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, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
 package com.rtbishop.look4sat.repo
 
 import android.content.ContentResolver
@@ -24,12 +5,8 @@ import android.net.Uri
 import androidx.lifecycle.LiveData
 import com.github.amsacode.predict4java.TLE
 import com.rtbishop.look4sat.data.SatEntry
-import com.rtbishop.look4sat.data.SatTrans
 import com.rtbishop.look4sat.data.TleSource
 import com.rtbishop.look4sat.repo.local.EntriesDao
-import com.rtbishop.look4sat.repo.local.SourcesDao
-import com.rtbishop.look4sat.repo.local.TransmittersDao
-import com.rtbishop.look4sat.repo.remote.TransmittersApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import okhttp3.OkHttpClient
@@ -37,22 +14,11 @@ import okhttp3.Request
 import java.io.InputStream
 import javax.inject.Inject
 
-class DefaultRepository @Inject constructor(
+class DefaultEntriesRepo @Inject constructor(
     private val resolver: ContentResolver,
     private val client: OkHttpClient,
-    private val api: TransmittersApi,
-    private val entriesDao: EntriesDao,
-    private val sourcesDao: SourcesDao,
-    private val transmittersDao: TransmittersDao
-) : Repository {
-
-    override fun getSources(): LiveData<List<TleSource>> {
-        return sourcesDao.getSources()
-    }
-
-    override suspend fun updateSources(sources: List<TleSource>) {
-        sourcesDao.updateSources(sources)
-    }
+    private val entriesDao: EntriesDao
+) : EntriesRepo {
 
     override fun getEntries(): LiveData<List<SatEntry>> {
         return entriesDao.getEntries()
@@ -91,12 +57,4 @@ class DefaultRepository @Inject constructor(
     override suspend fun updateEntriesSelection(satIds: List<Int>) {
         entriesDao.updateEntriesSelection(satIds)
     }
-
-    override fun getTransmittersForSat(satId: Int): LiveData<List<SatTrans>> {
-        return transmittersDao.getTransmittersForSat(satId)
-    }
-
-    override suspend fun updateTransmitters() {
-        transmittersDao.updateTransmitters(api.getTransmitters())
-    }
-}
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/rtbishop/look4sat/repo/DefaultSourcesRepo.kt b/app/src/main/java/com/rtbishop/look4sat/repo/DefaultSourcesRepo.kt
new file mode 100644
index 00000000..a03af1ac
--- /dev/null
+++ b/app/src/main/java/com/rtbishop/look4sat/repo/DefaultSourcesRepo.kt
@@ -0,0 +1,18 @@
+package com.rtbishop.look4sat.repo
+
+import androidx.lifecycle.LiveData
+import com.rtbishop.look4sat.data.TleSource
+import com.rtbishop.look4sat.repo.local.SourcesDao
+import javax.inject.Inject
+
+class DefaultSourcesRepo @Inject constructor(private val sourcesDao: SourcesDao) :
+    SourcesRepo {
+
+    override fun getSources(): LiveData<List<TleSource>> {
+        return sourcesDao.getSources()
+    }
+
+    override suspend fun updateSources(sources: List<TleSource>) {
+        sourcesDao.updateSources(sources)
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/rtbishop/look4sat/repo/DefaultTransmittersRepo.kt b/app/src/main/java/com/rtbishop/look4sat/repo/DefaultTransmittersRepo.kt
new file mode 100644
index 00000000..648b690f
--- /dev/null
+++ b/app/src/main/java/com/rtbishop/look4sat/repo/DefaultTransmittersRepo.kt
@@ -0,0 +1,21 @@
+package com.rtbishop.look4sat.repo
+
+import androidx.lifecycle.LiveData
+import com.rtbishop.look4sat.data.SatTrans
+import com.rtbishop.look4sat.repo.local.TransmittersDao
+import com.rtbishop.look4sat.repo.remote.TransmittersApi
+import javax.inject.Inject
+
+class DefaultTransmittersRepo @Inject constructor(
+    private val transmittersDao: TransmittersDao,
+    private val transmittersApi: TransmittersApi
+) : TransmittersRepo {
+
+    override fun getTransmittersForSat(satId: Int): LiveData<List<SatTrans>> {
+        return transmittersDao.getTransmittersForSat(satId)
+    }
+
+    override suspend fun updateTransmitters() {
+        transmittersDao.updateTransmitters(transmittersApi.getTransmitters())
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/rtbishop/look4sat/repo/EntriesRepo.kt b/app/src/main/java/com/rtbishop/look4sat/repo/EntriesRepo.kt
new file mode 100644
index 00000000..3592d987
--- /dev/null
+++ b/app/src/main/java/com/rtbishop/look4sat/repo/EntriesRepo.kt
@@ -0,0 +1,17 @@
+package com.rtbishop.look4sat.repo
+
+import android.net.Uri
+import androidx.lifecycle.LiveData
+import com.rtbishop.look4sat.data.SatEntry
+import com.rtbishop.look4sat.data.TleSource
+
+interface EntriesRepo {
+
+    fun getEntries(): LiveData<List<SatEntry>>
+
+    suspend fun updateEntriesFromFile(fileUri: Uri)
+
+    suspend fun updateEntriesFromSources(sources: List<TleSource>)
+
+    suspend fun updateEntriesSelection(satIds: List<Int>)
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/rtbishop/look4sat/repo/Repository.kt b/app/src/main/java/com/rtbishop/look4sat/repo/Repository.kt
deleted file mode 100644
index 745c6133..00000000
--- a/app/src/main/java/com/rtbishop/look4sat/repo/Repository.kt
+++ /dev/null
@@ -1,30 +0,0 @@
-package com.rtbishop.look4sat.repo
-
-import android.net.Uri
-import androidx.lifecycle.LiveData
-import com.rtbishop.look4sat.data.SatEntry
-import com.rtbishop.look4sat.data.SatTrans
-import com.rtbishop.look4sat.data.TleSource
-
-interface Repository {
-
-    fun getSources(): LiveData<List<TleSource>>
-
-    suspend fun updateSources(sources: List<TleSource>)
-
-    ////////////////////////////////////////////////////////////////////////////////////////////////
-
-    fun getEntries(): LiveData<List<SatEntry>>
-
-    suspend fun updateEntriesFromFile(fileUri: Uri)
-
-    suspend fun updateEntriesFromSources(sources: List<TleSource>)
-
-    suspend fun updateEntriesSelection(satIds: List<Int>)
-
-    ////////////////////////////////////////////////////////////////////////////////////////////////
-
-    suspend fun updateTransmitters()
-
-    fun getTransmittersForSat(satId: Int): LiveData<List<SatTrans>>
-}
diff --git a/app/src/main/java/com/rtbishop/look4sat/repo/SourcesRepo.kt b/app/src/main/java/com/rtbishop/look4sat/repo/SourcesRepo.kt
new file mode 100644
index 00000000..63cb9268
--- /dev/null
+++ b/app/src/main/java/com/rtbishop/look4sat/repo/SourcesRepo.kt
@@ -0,0 +1,11 @@
+package com.rtbishop.look4sat.repo
+
+import androidx.lifecycle.LiveData
+import com.rtbishop.look4sat.data.TleSource
+
+interface SourcesRepo {
+
+    fun getSources(): LiveData<List<TleSource>>
+
+    suspend fun updateSources(sources: List<TleSource>)
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/rtbishop/look4sat/repo/TransmittersRepo.kt b/app/src/main/java/com/rtbishop/look4sat/repo/TransmittersRepo.kt
new file mode 100644
index 00000000..c665ab4b
--- /dev/null
+++ b/app/src/main/java/com/rtbishop/look4sat/repo/TransmittersRepo.kt
@@ -0,0 +1,11 @@
+package com.rtbishop.look4sat.repo
+
+import androidx.lifecycle.LiveData
+import com.rtbishop.look4sat.data.SatTrans
+
+interface TransmittersRepo {
+
+    suspend fun updateTransmitters()
+
+    fun getTransmittersForSat(satId: Int): LiveData<List<SatTrans>>
+}
\ No newline at end of file