Gps Satellites In View 3*70 - NorthStar 2505 Installation Manual

Appendix C NMEA output protocol
GPS satellites in view
HEADER
$GPGSV,x,x,xx,xx,xx,xxx,xx.x...........,xx,xx,xxx,xx.x*hh<CR><LF>
1. SNR (C/N
2. Azimuth, range 000 to 359 degrees
3. Elevation, range 00 to 90 degrees
$GPGSV,2,1,06,03,12,238,06.0,07,82,008,15.5,11,04,053,,27 ,43,178,12.3*67<CR><LF>
Page 42
Number of SVs in view, PRN numbers, elevation, azimuth and
SNR values. Four satellites maximum per transmission,
additional satellite data sent in second or third sentence.
CONTENTS OF DATA FIELDS
) 00.0-99.9 dB, null when not tracking
o
Examples:
Messages
Msg. No.
SV Visible
PRN
Elevation
Azimuth
SNR
PRN
Elevation
Azimuth
SNR
PRN
Elevation
Azimuth
SNR
PRN
Elevation
Azimuth
SNR
4th SV
2nd to 3rd SV
1
SNR
2
azimuth, degrees
3
elevation, degrees
satellite PRN number
total number of satellites in view
message number, 1 to 3
total number of messages, 1 to 3
2
1
6
03
12
238
6 dB
07
82
8
15.5 dB
11
4
53
Not tracked
27
43
178
12.3 dB
2505 INSTALLATION MANUAL, Revision A