GPS-610F Datasheet, PDF (13/16 Pages) rfsolutions.ltd – Low-Power High-Performance and Low-Cost 65 Channel GPS Engine Board (Flash based)

GPS RECEIVER EXT ANTENNA
GPS-610F
5.4 GSV - GPS SATELLITE IN VIEW
Numbers of satellites in view, PRN number, elevation angle, azimuth angle, and C/No. Four
satellites details are transmitted per message. Additional satellite in view information is send
in subsequent GSV messages.
Structure:
$GPGSV,x,x,xx,xx,xx,xxx,xx,…,xx,xx,xxx,xx *hh<CR><LF>
123 4 5 6 7 4 5 6 7 8
Example:
$GPGSV,3,1,09,28,81,225,41,24,66,323,44,20,48,066,43,17,45,336,41*78<CR><LF>
$GPGSV,3,2,09,07,36,321,45,04,36,257,39,11,20,050,41,08,18,208,43*77<CR><LF>
Field NaME
Example Description
Number of
1
3
Total number of GSV messages to be transmitted (1-3)
message
2 Sequence number 1
Sequence number of current GSV message
3 Satellites in view 09
Total number of satellites in view (00 ~ 12)
4 Satellite ID
Satellite ID number, GPS: 01 ~ 32, SBAS: 33 ~ 64 (33
28
= PRN120)
5 Elevation
81
Satellite elevation in degrees, (00 ~ 90)
6 Azimuth
225
Satellite azimuth angle in degrees, (000 ~ 359 )
7 SNR
C/No in dB (00 ~ 99)
41
Null when not tracking
8 Checksum
78
DS-GPS610F-1 Jul 09
©2009 www.rfsolutions.co.uk
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