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A     NMEA-0183 Output

82     SPSx80 and SPSx81 Smart GPS Antennas User Guide

An example of the ADV message string is shown below. 

Table A.1

 and 

Table A.2

 

describe the message fields. The messages alternate between subtype 110 and 120.

$PGPPADV,110,39.88113582,-105.07838455,1614.125*1M

$PGPPADV,120,21,76.82,68.51,29,20.66,317.47,28,52.38,276.81,22,42.26,198.96*5D

Table A.1

ADV subtype 110 message fields 

0

message ID $PPGPADV

1

Message sub-type 110

2

Latitude

3

Longitude

4

Ellipsoid height

6

Elevation of second satellite, in degrees, 90° maximum

7

Azimuth of second satellite, degrees from True North, 000° through 359°

8

The checksum data, always begins with *

Table A.2

ADV subtype 120 message fields 

0

message ID $PPGPADV

1

Message sub-type 120

2

First SV PRN number

3

Elevation of first satellite, in degrees, 90° maximum

4

Azimuth of first satellite, degrees from True North, 000° through 359°

5

Second SV PRN number

6

Elevation of second satellite, in degrees, 90° maximum

7

Azimuth of second satellite, degrees from True North, 000° through 359°

8

The checksum data, always begins with *