Compute the precise GPS position by GNSS raw data and RTCM correction data.

Feature test: Improve the GPS accuracy by analysis of GNSS raw data and RTCM correction data with the help of the open-source library RtkLib. Under favorable conditions you can achieve sub-meter accuracy on your smartphone!

With this app you can only test if all required features to compute the precise GPS position are available on your phone.

Preconditions:

• at least Android version 7.0 (Nougat)

• GNSS raw data support of the GPS chip vendor

• receive RTCM correction data via NTRIP

Read more about the professional app-version here:

http://www.pilablu.de/apps/gps/precise-gps-en