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atsunatsu 9e7fdbfe71 fix: passband RX update now uses full Doppler round-trip instead of pure passband mapping

When adjusting RX in passband mode (via +/- buttons or slider), the old
code used TransponderMapper.mapDownlinkToUplink (pure passband mapping
without Doppler compensation), producing ~10kHz error at LEO velocities.

Fix: use DopplerFrequencyCalculator.computeUplinkFromDownlinkWithOffset
for the full TX-from-RX round-trip, matching the RX→PASSBAND button
onClick logic. Also fixed frame mismatch: position now uses txLow/txRange
(Doppler-shifted frame) consistently.

2026-08-19 22:19:14 +08:00

.github

v4.4.3 - Added required tweaks to support Android 17 (API 37)

2026-06-27 14:15:05 +01:00

app

fix: passband RX update now uses full Doppler round-trip instead of pure passband mapping

2026-08-19 22:19:14 +08:00

build-logic

feat: add AMSAT status page to bottom navigation bar

2026-08-09 01:03:30 +08:00

core

fix: passband RX update now uses full Doppler round-trip instead of pure passband mapping

2026-08-19 22:19:14 +08:00

dist

fix: passband RX update now uses full Doppler round-trip instead of pure passband mapping

2026-08-19 22:19:14 +08:00

fastlane/metadata/android/en-US

v4.4.3 - Added required tweaks to support Android 17 (API 37)

2026-06-27 14:15:05 +01:00

feature

fix: passband RX update now uses full Doppler round-trip instead of pure passband mapping

2026-08-19 22:19:14 +08:00

gradle

fix: passband RX update now uses full Doppler round-trip instead of pure passband mapping

2026-08-19 22:19:14 +08:00

.editorconfig

Added a basic .editorconfig file to the project

2025-12-27 15:01:45 +00:00

.gitignore

chore: remove .cxx build artifacts from git tracking

2026-08-07 19:59:03 +08:00

AGENTS.md

Added Star History graph to README, tweaked AGENTS

2026-06-27 12:31:24 +01:00

build.gradle.kts

v4.4.2 - Fixed transceivers retention, various minor tweaks

2026-06-21 15:19:47 +01:00

CLAUDE.md

Fixed SSTV frequency display and "All" category retention

2026-06-21 15:10:28 +01:00

gradle.properties

Added more tweaks to convention plugins setup

2026-03-18 15:59:55 +00:00

gradlew

Added more tweaks to screens and dependencies

2025-12-27 15:01:47 +00:00

gradlew.bat

Added more tweaks to screens and dependencies

2025-12-27 15:01:47 +00:00

LICENSE

Switched to GPL v3, added privacy policy

2021-03-07 13:19:52 +00:00

README.md

fix: passband RX update now uses full Doppler round-trip instead of pure passband mapping

2026-08-19 22:19:14 +08:00

settings.gradle.kts

feat: add AMSAT satellite status tracking page (#234 )

2026-08-08 22:13:56 +08:00

README.md

Look4Sat-BA7OPF

BA7OPF 定制版 — 基于 rt-bishop/Look4Sat 的业余无线电卫星追踪器，增加了线性卫星频率计算器等功能。

本仓库特色功能

线性卫星转发器频率计算器 — 在雷达页的 Calculator 标签页中，支持 TX/RX 双向多普勒频率计算，以及下行频率偏移（offset）输入，方便操作带偏移的线性卫星
CW 解码器 — 集成 Morse Expert 解码引擎，支持瀑布图、实时解码文本
Passband 模式 — 支持通过位置滑块（Passband）自动计算 TX/RX 频率，避免切换时跳变
中文界面优化 — 翻译修正、UI 布局调整

上游仓库

本仓库是 rt-bishop/Look4Sat 的分支，上游仓库的原始功能包括：

基于 Celestrak / SatNOGS 数据的 9000+ 活跃卫星追踪
SGP4/SDP4 轨道预测，10 天过境预报
极坐标雷达图、地面轨迹图
SSTV 图像解码
无广告、无跟踪、完全离线

许可证

GNU General Public License v3.0。详见 LICENSE。