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D Logs Summary
156 MiLLennium GPSCard SW Version 4.503/4.52 Command Descriptions Manual Rev 2
DOPB
Format: Message ID = 07 Message byte count = 68+(sats*4)
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
3 Seconds of week 8 double seconds 16
4 gdop 8 double 24
5 pdop 8 double 32
6 htdop 8 double 40
7 hdop 8 double 48
8 tdop 8 double 56
9 Number of satellites used 4 integer 64
10 1st PRN 4 integer 68
11... Next satellite PRN
Offset = 68 + (sats
*
4) where sats = 0 to (number of sats-1)