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BasicAirData GPS Logger is a simple App to record your position and your path.
It's a basic and lightweight GPS tracker focused on accuracy, with an eye to power saving.
It works offline (without internet connection), it has NO integrated maps.
This app is very accurate in determining your altitude: enable EGM96 automatic altitude correction on settings!
You can record all your trips, view them with any installed external viewer, directly from the in-app tracklist, and share them in KML, GPX, and TXT format in many ways.

The app is 100% Free and Open Source.


GETTING STARTED GUIDE:
http://www.basicairdata.eu/projects/android/android-gps-logger/getting-started-guide-for-gps-logger/


IT FEATURES:
- A modern UI, with a low consumption dark theme and a tabbed interface
- Offline recording (the app has no integrated maps)
- Foreground & Background Recording (On Android 6+ please turn off all battery monitoring and optimizations for this app!!)
- Placemarks creation also meanwhile recording
- Visualization of GPS…

Inspired by OSMTracker for Windows Mobile, allows you to track your journeys, mark waypoints with tags, voice record, and photos.

GPS traces can then be exported in GPX format for later use with OpenStreetMap tools like JOSM, or uploaded directly to OpenStreetMap.

Tracks can be displayed over an OpenStreetMap background or with no background if you don't have a data plan.

Project page: https://github.com/labexp/osmtracker-android
Please visit the project page to report an issue or get more information.

Help translate OSMTracker: https://www.transifex.com/projects/p/osmtracker-android/

Source code: https://github.com/labexp/osmtracker-android

Permissions
• Fine location: Access the GPS
• Record audio: Record an audio tag
• Internet & network state: Display map background and upload to OpenStreetMap
• WiFi state: Get coarse location
• Write to SD card: GPX export