206 Chapter 8
GPS Modulation (Option 409)
Real Time MSGPS
how to obtain the CNO value from the GPGSV message.
The following example is a set of three GPGSV messages. The receiver produces a maximum of three
GPGSV messages every second. The fields are comma-separated; two adjacent commas signify a field for
which a value is not assigned.
$GPGSV,3,1,12,21,71,000,,27,68,000,34,08,62,000,33,29,52,000,,*71
$GPGSV,3,2,12,24,39,000,,10,36,000,,26,35,000,,25,32,000,35*71
$GPGSV,3,3,12,19,29,000,,03,20,000,33,16,19,000,34,18,19,000,*71
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