OmniSTAR 8200HP User Manual
Issue 1.07, 10/2008
63
GSV – GPS Satellites in View
The GSV message identifies the number of SVs in view, the PRN numbers,
elevation, azimuth and SNR values.
$GPGSV,M,S,T,sv,el,azm,snr,sv,el,azm,snr,sv,el,azm,snr,sv,el,azm,snr*XX
Field Number Description
1 Total number of sentences of this type in this
cycle
2 Sentence number
3 Total number of SVs visible
4 SV PRN number
5 Elevation in degrees, 90° maximum
6 Azimuth, degrees from true north, 000° to 359°
7 SNR, 00-99 dB (null when not tracking)
8-11 Information about second SV, same format as
fields 4-7
12-15 Information about third SV, same format as fields
4-7
16-19 Information about fourth SV, same format as
fields 4-7
Table 16: Description of the GSV message.
NOTE:
Because the contents of this NMEA message do not change significantly
during a 1-second interval, the receiver outputs this message at a
maximum rate of 1 Hz.
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