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158 DL-V3 User Manual Rev 3
C.6 FILEHDR Logfile Header
The FILEHDR log contains header information for the file specified by currentfile.
Structure: Message ID = 147
Log Type: Polled
Field Data Description Bytes Format Units Offset
1 Header Log header, see Page 149 --0
2 FileName File name at creation 12 Char[ ] - H
3 FileSize File size 4 Ulong bytes H+12
4
MinSats
a
Minimum SVs used for
position logs
4 Ulong - H+16
5
StartGPSWeek
a
GPS Week of first log 4 Ulong - H+20
6
EndGPSWeek
a
GPS Week of last log 4 Ulong - H+24
7
StartGPSmSec
a
GPS Seconds of first log 4
GPSs
b
ms, s H+28
8
EndGPSmSec
a
GPS Seconds of last log 4
GPSs
b
ms, s H+32
9 Reserved for future use 4 Int - H+36
10 8 Double - H+40
11 4 Ulong - H+48
12 4 Ulong - H+52
13 FileStatus File status information, see
Table 71 on Page 159
4 Hexulong - H+56
14 VersionP File position of the first
versionb log
4 Ulong - H+60
15 TimeP File position of the first timeb
log
4 Ulong - H+64
16 ProjectP File position of the first
projectdefb log
4 Ulong - H+68
17 GroupP File position of the first
groupdefb log
4 Ulong - H+72
Continued on Page 159