GPS R
ECEIVER
E
XT
A
NTENNA
5.4 GSV - GPS SATELLITE IN VIEW
GPS-610F
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
1
2
3
4
5
6
7
8
Number of
message
Example
3
Description
Total number of GSV messages to be transmitted (1-3)
Sequence number of current GSV message
Total number of satellites in view (00 ~ 12)
Satellite ID number, GPS: 01 ~ 32, SBAS: 33 ~ 64 (33
= PRN120)
Satellite elevation in degrees, (00 ~ 90)
Satellite azimuth angle in degrees, (000 ~ 359 )
C/No in dB (00 ~ 99)
Sequence number 1
Satellites in view
Satellite ID
Elevation
Azimuth
SNR
Checksum
09
28
81
225
41
Null when not tracking
78
DS-GPS610F-1
Jul 09
©2009
www.rfsolutions.co.uk
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