groops gnssSignalBias version=20200123
          4
# type   bias [m]
# ===============================
 C1CG** -1.755869662599360836e+01
 C2WG** -2.891819785986561797e+01
 L1?G**  1.901363760347482557e-02
 L2?G**  9.961404091856335130e-02