Install rtklib by entering the following commands in the terminal:
sudo apt update sudo apt install rtklib
Description:
Real Time Kinematic and other advanced GPS positioning techniques
This is an program package for standard and precise positioning with GNSS (global navigation satellite system).
Homepage: http://gpspp.sakura.ne.jp/rtklib/rtklib.htm
Version: 2.4.3+dfsg1-1
Section: universe/misc