GPS04 Datasheet, PDF (9/12 Pages) –

GPS04
GSV – GNSS Satellites in View
Number of satellites (SV) in view, satellite ID numbers, elevation, azimuth, and SNR value. Four satellites
maximum per transmission.
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,3,1,12,05,54,069,45,12,44,061,44,21,07,184,46,22,78,289,47*72<CR><LF>
$GPGSV,3,2,12,30,65,118,45,09,12,047,37,18,62,157,47,06,08,144,45*7C<CR><LF>
$GPGSV,3,3,12,14,39,330,42,01,06,299,38,31,30,256,44,32,36,320,47*7B<CR><LF>
Field
1
2
3
4
Name
Example
Number of message 3
Sequence number 1
Satellites in view 12
Satellite ID
05
5 Elevation
54
6 Azimuth
069
7 SNR
45
8 Checksum
72
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)
Null when not tracking
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