groops gnssSignalBias version=20200123
          4
# type   bias [m]
# ===============================
 C1CG** -1.952153726506423936e+01
 C2WG** -3.215088734571278195e+01
 L1?G**  8.364000126750006925e-02
 L2?G**  8.374099708237847661e-02