D Logs summary
MiLLennium GPSCard Software Version 4.50 Command Descriptions Manual Rev 1 217
SVDB

Format: Message ID = 36 Message byte count = 36 +(obs*68)

Field # Data Bytes Format Units Offset
1Sync 3char 0
(header) Checksum 1char 3
Message ID 4integer 4
Message byte count 4integer 8
2Week number 4integer weeks 12
3Time in seconds 8doubl e seconds 16
4Receiver clock error 8double metres 24
5Number of observations to follow (obs) 4integer 32
6Satellite PRN number 4integer 36
7x coordinate of satellite 8double metres 40
8y coordinate of satellite 8double metres 48
9z coordinate of satellite 8double metres 56
10 Satellite clock correction 8double metres 64
11 Ionospheric correction 8double metres 72
12 Tropospheric correction 8double metres 80
13 Decoded differential correction used 8double metres 88
14 Range weight standard deviation 8double metres 96
15... Next PRN offset = 36 + (obs*68) where obs varies from 0 to (obs-1)