Correct altitude (geoid corrections for GPS)
GPS altitude is never accurate. We correct it. Anywhere on Earth. Offline!
Michal Jakl · cz.mjakl.trueheight
UpdatedJun 5, 2024
PublishedApr 12, 2021
Packagecz.mjakl.trueheight
MD5f904fb2e5fd7c003e72e261ee03198c9
SHA1 (signer)F2:10:17:C4:33:2E:AC:77:1C:6B:BC:42:80:0D:F5:17:D2:0A:CA:62
Signed byCN=mik jak
Architecturesx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Websitehttp://mjakl.cz
Contact[email protected]
Description
GPS uses a simplified smooth Earth surface called ellipsoid for positioning, including altitude. However, the planet is not smooth and therefore the difference between the actual user altitude and the GPS altitude can make many tens of meters!
We use Earth Gravitational Model 2008 (EGM2008) NGA data to calculate the geoid deviation from the ellipsoid surface for any location on the Earth's surface. All database is stored directly in the application and so the whole system works without the need for an Internet connection.
You can set some other values such as sensitivity and averaging steps to get even more accurate results that you see in a clear graph in real time.
More precisely than with this app under normal conditions you will not find your mobile altitude!
Collect achievements, follow the leaderboards! Every meter counts! :)
We use Earth Gravitational Model 2008 (EGM2008) NGA data to calculate the geoid deviation from the ellipsoid surface for any location on the Earth's surface. All database is stored directly in the application and so the whole system works without the need for an Internet connection.
You can set some other values such as sensitivity and averaging steps to get even more accurate results that you see in a clear graph in real time.
More precisely than with this app under normal conditions you will not find your mobile altitude!
Collect achievements, follow the leaderboards! Every meter counts! :)
Required features
- Faketouch android.hardware.faketouch
- Location android.hardware.location
- Screen Portrait android.hardware.screen.portrait
Permissions (9)
Correct altitude (geoid corrections for GPS) requests the following Android permissions:
- Access Coarse Location android.permission.ACCESS_COARSE_LOCATION
- Access Fine Location android.permission.ACCESS_FINE_LOCATION
- Access Network State android.permission.ACCESS_NETWORK_STATE
- Foreground Service android.permission.FOREGROUND_SERVICE
- Internet android.permission.INTERNET
- Read External Storage android.permission.READ_EXTERNAL_STORAGE
- Vibrate android.permission.VIBRATE
- Wake Lock android.permission.WAKE_LOCK
- Write External Storage android.permission.WRITE_EXTERNAL_STORAGE
