D Logs summary

196 MiLLennium Command Descriptions Manual

SATB

Format: Message ID =12 Message byte count = 32 + (obs*32)

Table D-11 GPSCard Range Reject Codes

Field # Data Bytes Format Units Offset
1 Sync 3 char 0
(header) Checksum 1 char 3
Message ID 4 integer 4
Message byte count 4 integer 8
2 Week number 4 integer weeks 12
3Seconds of week 8 double seconds 16
4Solution status 4 integer 24
5Number of
observations (obs) 4 integer 28
6 PRN 4 integer 32
7Azimuth 8 double degrees 36
8Elevation 8 double degrees 44
9Residual 8 double metres 52
10 Reject Code 4 integer 60
11... Next PRN offset = 32 + (obs*32) where obs varies form 0 to (obs-1)
Value Description
0Observations are good
1Bad satellite health is indicated by ephemeris data
2Old ephemeris due to data not being updated during last 3 hours
3Eccentric anomaly error during computation of the satellite’s position
4 True anom aly error during computation of the satellite’s position
5Satellite coordinate error during computation of the satellite’s position
6Elevation error due to the satellite being below the cutoff angle
7Misclosure too large due to excessive gap between estimated and actual positions
8No differential correction is available for this particular satellite
9Ephemeris data for this satellite has not yet been received
10 Invalid IODE due to mismatch between differential stations
11 Locked Out: satellite is excluded by user (LOCKOUT command)
12 Low Power: satellite rejected due to low signal/noise ratio
13 L2 measurements are not currently used in the filter