DATA POINT (*.DAT) RECORDS Field Data Format Comment 1 Fix# dd 2 Date/Time mm-dd-yy hh:mm:ss.s 3 Lat [N/S]dd mm.mmmm Latitude of fix 4 Lon [W/E]ddd mm.mmmm Longitude of fix 5 Height f.dd Above MSL 6 Northing [-]d.dd Grid Northing of fix 7 Easting [-]d.dd Grid Easting of fix 8 Depth f.dd In meters 9 Off-line [-]f.dd Distance offline in meters 10 Alongline [-]f.dd Distance alongline in meters 11 Heading f.dd Vessel’s heading 12 CMG f.dd Vessel’s course made good 13 Speed f.dd Vessel’s speed in knots 14 QC f.dd 15 Offset sssss Name of the offset being tracked 16 KiloPost f.ddd Kilometer post 17 Layback f.dd 18 Fixed 0 Fixed for backwards compatibility 19 Fixed 0 Fixed for backwards compatibility 20 Fixed 0.00 Fixed for backwards compatibility 21 Fixed 0.00 Fixed for backwards compatibility 22 Vessel sssss Name of the vessel that preceding data applies to ** Fields 3 through 22 are repeated for each vessel capable of generating events.