GPSTest (OpenStreetMap version)

From version 3.6.3:

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Released beta on Google Play on March 14, 2020. F-Droid release will be generated from this tag.

versionCode 18065

Enhancements:

#387 - Use force_psds_injection instead of force_xtra_injection on Android 10 and higher
Bug fixes:

Fix #386 - Don't assume single level directory for file to share

From version 3.6.3:

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GPSTest displays real-time information for satellites in view of your device. A vital open-source test tool for platform engineers, developers, and power users, GPSTest can also assist users in understanding why their GPS/GNSS is or isn’t working.

Supports:

GPS (USA Navstar)
GLONASS (Russia)
QZSS (Japan)
BeiDou/COMPASS (China)
Galileo (European Union)
Various satellite-based augmentation systems SBAS (e.g., GAGAN, Anik F1, Galaxy 15, Inmarsat 3-F2, Inmarsat 4-F3, SES-5)
GLONASS satellites are shown as squares on the Sky view, U.S. NAVSTAR satellites are shown as circles, Galileo and QZSS and SBAS satellites are shown as triangles, and BeiDou satellites are shown as pentagons.

Menu options:

Inject Time Data - Injects Time assistance data for GPS into the platform, using information from a Network Time Protocol (NTP) server provided by the device OEM using an Android API in AOSP
Inject XTRA Data - Injects XTRA assistance data for GPS into the platform, using information from a XTRA server provided by the device OEM using an Android API in AOSP
Clear Assist Data - Clears all assistance data used for GPS, including NTP and XTRA data provided by the device OEM
Settings - Switch between light and dark themes, change map tile type, auto-start GPS on startup, minimum time and distance between GPS updates, keep screen on.