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GPSTest

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The #1 open-source global navigation satellite system (GNSS) testing app.

Install

Get it on Google Play Get it on F-Droid

Features

It supports dual-frequency¹ GNSS for:

  • GPS (USA Navstar)
  • GLONASS (Russia)
  • QZSS (Japan)
  • BeiDou/COMPASS (China)
  • Galileo (European Union)
  • IRNSS/NavIC (India)
  • Various satellite-based augmentation systems (SBAS):
    • Wide Area Augmentation System (WAAS) (USA)
    • European Geostationary Navigation Overlay Service (EGNOS) (European Union)
    • GPS-aided GEO augmented navigation (GAGAN) (India)
    • Multi-functional Satellite Augmentation System (MSAS) (Japan)
    • System for Differential Corrections and Monitoring (SDCM) (Russia)
    • Satellite Navigation Augmentation System (SNAS) (China)
    • Soluciόn de Aumentaciόn para Caribe, Centro y Sudamérica (SACCSA) (ICAO)
    • Southern Positioning Augmentation Network (SouthPAN) (Australia / New Zealand)

¹Dual-frequency GNSS requires device hardware support and Android 8.0 Oreo or higher. See Dual-frequency GNSS on Android for more details.

Screenshots

More screenshots

Contributing

I welcome contributions to the project! Please see the Contributing Guide for details, including Code Style Guidelines and Template.

  • Don't know where to start? Take a look at the issues marked with the your-first-pr label and comment to let me know if you're interested in working on it.

  • Beta testing: Get early access to new GPSTest versions, and help us squash bugs! See the Testing Guide for details.

  • Translating: Want to improve existing translations, or add a new translation? Translate on Transifex or see the Translations documentation.

FAQ

Questions? Check out the FAQ, the Slack group, and Google Group.

Trusted by industry experts

Notable appearances of GPSTest: