Data storage structure 4 Data management
The units stored in the track attribute file (Track3D_<date time>.dbf) are in metric units.
Also see:Map settings (page 59).
Data Field Description Format / Notes
Along_Line Along Line distance from start of swath meters
Ant_HAE Antenna height above ellipsoid meters
Ant_Lat Antenna latitude (WGS-84) DD.dddddddd
Ant_Long Antenna longitude (WGS-84) DD.dddddddd
Appln_Wdth Application width meters
As applied The actual rate applied by the rate control
system when serial rate control, TAC or the
Field-IQ system are used
Auto_Steer Auto-Steer Flag (1=on, 0=off) On or off
Corct_Age DGPS signal correction age seconds
DOP Horizontal Dilution of Precision – a measure of
the quality of positions based on satellite
geometry
–
Field_Name Name of the field –
GPS_Status GPS status value 1 to 12
Ground_HAE Ground height above ellipsoid meters
Heading Direction of travel with respect to true North. decimal degrees
Height Mean sea level height of ground meters
Local_Time Local time hh:mm:ss.s
Logging_On Coverage logging Flag (1=on, 0=off) On or off
NDVI The NDVI values recorded when using the
GreenSeeker plugin (not currently
implemented)
Num_Stats Number of GPS satellites –
Offline Offline distance from swath center line meters
Pitch The pitch –
Relative_Height Height meters
98 FM-1000 Integrated Display User Guide Version 9.25, Revision B
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