TABLE 6

Augmentation messages broadcast by BDSBAS B1C (China Satellite Navigation Office, 2020)

Augmentation messageContents
0Do not use this signal for safety application (for testing)
1PRN mask assignments
2 to 5Fast correction
6Integrity information
7Fast correction degradation factor
9BDSBAS GEO navigation message
10Degradation parameters
12SBAS Network Time (SNT)/UTC offset parameters
17Almanacs of BDSBAS GEO
18Ionospheric grid point masks
24Mixed fast corrections/long-term satellite error corrections
25Long-term satellite error corrections
26Ionospheric delay corrections
28Clock-ephemeris covariance matrix message
63Null message