C-Nav3050 User Guide

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C-Nav3050 User Guide | Manualzz

C-Nav3050 User Guide

NMEAPNCTGST (ACSII)

This message satisfies the UKOOA compliance requirements by starting with the standard NMEA GST message and scaling all error statistics by 1.96, and by adding a value for the F-Test of Unit Variance.

Output

Format:

$PNCTGST,time,rms,majoraxis,minoraxis,orientation,lateer,loner,alte rr,fisher*checksum

Field#

F1

F2

F3

F4

F5

F6

F7

F8

F9

F10

Field

Name

Description

time rms

Majoraxis*

UTC time for position fix in hours, minutes, seconds

(hhmmss.ss) (000000.00 to 235959.99)

Total RMS standard deviation of ranges inputs to the navigation solution

Standard deviation of semi-major axis of error ellipse in meters

Minoraxis* orientation

Laterr*

Loner*

Alter* fisher

Standard deviation of semi-minor axis of error ellipse in meters

Orientation of semi-major axis of error ellipse in true north degrees (0 to 180°)

Standard deviation of latitude error in meters

Standard deviation of longitude error in meters

Standard deviation of altitude error in meters

Fisher Test Result

Checksum

Table 57: PNCTGST Message Output Format

*Indicates the result is scaled by 1.96. This output stream reports pseudo-range noise statistic information, and is in compliance with NMEA-0183 Standards version 3.0.

Examples:

$GNGST,192518.00,0.3762,0.1054,0.0953,074.8583,0.0960,0.1048,0.2168*7A

$PNCTGST,193028.00,0.2993,0.1722,0.1448,084.7181,0.1451,0.1720,0.3391,1*65

Revision

10

Page 142 of 186 6/8/2015

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