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28 lines
2.0 KiB
Markdown
28 lines
2.0 KiB
Markdown
# Look4Sat: Radio satellite tracker
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Amateur radio and weather satellite tracker and passes predictor for Android.
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The very app creation and design is hugely inspired by the open-source [Gpredict](http://gpredict.oz9aec.net/) desktop satellite tracking application, created by [Alexandru Csete, OZ9AEC](https://github.com/csete) and contributors, supported by the [Libre Space Foundation](https://libre.space/).
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The [Libre Space Foundation](https://libre.space/) team is also behind the epic [SatNOGS](https://satnogs.org/) project that provides an extremely easy to use [API](https://db.satnogs.org/api/) and [DB](https://db.satnogs.org/) with a huge amount of information about satellites, their telemetry and transmitters, which the app uses under the hood.
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For TLE data calculation and passes prediction Look4Sat uses the mavenized version of [predict4java](https://github.com/davidmoten/predict4java) library, created by [David A. B. Johnson, G4DPZ](https://github.com/g4dpz) and [Dave Moten](https://github.com/davidmoten). Thank you guys for your hard work making this lib efficient and easy to use!
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The app is built using Dagger2, Retrofit2, Kotlin and Kotlin coroutines, Architecture Components and Jetpack Navigation.
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<p float="left">
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<img src="screenshots/scr_main_menu.jpg" width="250"/>
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<img src="screenshots/scr_main_list.jpg" width="250"/>
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<img src="screenshots/scr_pass_view.jpg" width="250"/>
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</p>
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<img src="screenshots/scr_world_map.jpg" width="750">
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## Main features:
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– Calculating satellite passes for up to one week (168 hours)
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– Calculating passes for the current or manually entered location
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– Showing the list of currently active and upcoming satellite passes
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– Showing the active pass progress, polar trajectory and transceivers info
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– Showing the satellite positional data, footprint and ground track on a map
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– Offline first: all the passes predictions are made offline. It's up to you to decide when
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to update the TLE file and the transceivers DB. (Updates once a week are recommended)
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