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
4MinSats aMinimum SVs used for
position logs 4 Ulong - H+16
5StartGPSWeek a GPS Week of first log 4 Ulong - H+20
6EndGPSWeek a GPS Week of last log 4 Ulong - H+24
7StartGPSmSec a GPS Seconds of first log 4 GPSs bms, s H+28
8EndGPSmSec 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