Triton Isis - Manual (Page 113)

June 2004 Isis® Sonar User's Manual, Volume 2
103
Table E-8. The TELEMETRY structure for a TGT or CON file
Structure’s Element
Name Bytes
offset Data
Type Remarks, Values, Ranges,
Examples, etc.
total bytes used for this structure: 89
Day
0 UCHAR Annotation day
Month 1 UCHAR Annotation month
Hour 2 UCHAR Annotation hour
Minute 3 UCHAR Annotation minute
Second 4 UCHAR Annotation second
Hsec 5 UCHAR Annotation millisecond
NavHour 6 UCHAR Hour from Nav clock
NavMinute 7 UCHAR Minute from Nav clock
NavSecond 8 UCHAR Second from Nav clock
Year 9 WORD Year from Nav clock
Ycoord 11 DOUBLE Northing or Latitude
Xcoord 19 DOUBLE Easting or Longitude
FishSpeed 27 FLOAT Speed of tow fish in knots
FishHeading 31 FLOAT Fish heading in degrees
FishLayback 35 FLOAT Distance over ground from ship to
fish
FishDepth 39 FLOAT Distance from sea surface to tow
fish
OceanTide 43 FLOAT Ocean tide in meters
FishAlt 47 FLOAT Distance from tow fish to seafloor
PingNumber 51 ULONG
EventNumber 55 SHORT Usually assigned to contact by
outside source
Appendix E: Using the Target Utility