diff --git a/libraries/AP_GPS/AP_GPS.cpp b/libraries/AP_GPS/AP_GPS.cpp index a72faaa8ec..849431fa30 100644 --- a/libraries/AP_GPS/AP_GPS.cpp +++ b/libraries/AP_GPS/AP_GPS.cpp @@ -446,8 +446,8 @@ void AP_GPS::detect_instance(uint8_t instance) state[instance].instance = instance; state[instance].status = NO_GPS; - state[instance].hdop = 9999; - state[instance].vdop = 9999; + state[instance].hdop = GPS_UNKNOWN_DOP; + state[instance].vdop = GPS_UNKNOWN_DOP; switch (_type[instance]) { // by default the sbf/trimble gps outputs no data on its port, until configured. @@ -578,8 +578,8 @@ void AP_GPS::update_instance(uint8_t instance) if (_type[instance] == GPS_TYPE_NONE) { // not enabled state[instance].status = NO_GPS; - state[instance].hdop = 9999; - state[instance].vdop = 9999; + state[instance].hdop = GPS_UNKNOWN_DOP; + state[instance].vdop = GPS_UNKNOWN_DOP; return; } if (locked_ports & (1U<