copter-4.6.3 gps driver AP_GPS_SBF.cpp have a bug constexpr double doubleDNU = -2e-10; should be doubleDNU = -2e+10;
copter-4.6.3 gps driver AP_GPS_SBF.cpp have a bug
constexpr double doubleDNU = -2e-10;
should be doubleDNU = -2e+10;