GPS Test displays real-time information for satellites in view of your device. A gps test tool for platform engineers, developers, and power users, GPS Test can also assist users in understanding why their GPS is or isn't working and fix it.
Supports:
* GPS (USA Navstar)
* GLONASS (Russia)
* QZSS (Japan)
* BeiDou/COMPASS (China)
GLONASS satellites are shown as squares on the radar view, U.S. NAVSTAR satellites are shown as circles, QZSS satellites are shown as triangles, and BeiDou satellites are shown as pentagons.
This is a gpstest-based product, Open source licenses:
https://github.com/barbeau/gpstest