NMEA-0183 message: GBS

Related Topics

GNSS satellite fault detection (RAIM support)

An example of the GBS message string is:

$GPGBS,015509.00,-0.031,-0.186,0.219,19,0.000,-0.354,6.972*4D

GBS message fields

Field Meaning
0 Message ID $--GBS
1 UTC of position fix
2 Expected error in latitude, in meters, due to bias, with noise = 0
3 Expected error in longitute, in meters, due to bias, with noise = 0
4 Expected error in altitude, in meters, due to bias, with noise = 0
5 ID number of most likely failed satellite
6 Probability of missed detection of most likely failed satellite
7 Estimate of bias, in meters, on the most likely failed satellite
8 Standard deviation of bias estimate
9 The checksum data, always begins with *