NMEA-0183 message: GBS
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. Talker ID can be: |
|
1 |
UTC of position fix |
|
2 |
Expected error in latitude, in meters, due to bias, with noise = 0 |
|
3 |
Expected error in longitude, 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 * |
If NMEA-0183 version 4.10 is selected, the 9th, 10th, and 11th fields become:
|
Field |
Meaning |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
9 |
System ID based on:
|
||||||||||
|
10 |
System ID based on:
|
||||||||||
|
11 |
The checksum data, always begins with * |