Gpgst – NavCom LAND-PAK Rev.N User Manual
Page 179
Technical Reference Manual Rev. N
Blk = All;
Blu = IOP w/Internal Radio
;
Red = IOP & LBM
;
Grn = Engine only
177
$GPGST
This output message reports pseudo-range noise statistic information, and is in compliance with
NMEA-0183 Standards version 3.0.
Output
Format:
$GPGST,time,rms,majoraxis,minoraxis,orientation,laterr,lonerr,alterr*checksum
Field# Field
Name
Description
F1
time
UTC time for position fix in hours, minutes, seconds
(hhmmss.ss) (000000.00 to 235959.99)
F2
rms
Total RMS standard deviation of ranges inputs to the navigation solution
F3
majoraxis
Standard deviation of semi-major axis of error ellipse in meters
F4
minoraxis
Standard deviation of semi-minor axis of error ellipse in meters
F5
orientation
Orientation of semi-major axis of error ellipse in true north degrees (0 to 180º)
F6
laterr
Standard deviation of latitude error in meters
F7
lonerr
Standard deviation of longitude error in meters
F8
alterr
Standard deviation of altitude error in meters
F9
Checksum
Example: $GPGST,032746.00,22236.0738,0.0552,0.0355,019.4414,0.0543,0.0368,0.0991*6A