User`s guide

240 Keysight E8357D/67D & E8663D PSG User’s Guide
GPS Modulation (Option 409)
Real Time MSGPS
$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
Table 8-1 describes each field for the first of the three GPGSV messages in the
example:
$GPGSV,3,1,12,21,71,000,,27,68,000,34,08,62,000,33,29,52,000,,*71
If no CNO value is reported for a particular satellite (satellites 21 and 29 in the
table) the receiver is currently not tracking that satellite.
For more information, refer to the following document, available at
http://www.nmea.org/pub/0183/.
NMEA 0183, Standard For Interfacing Marine Electronic Devices
Table 8-1 GPGSV Fields
GPGSV Field Description
$GPGSV,
3, Number of GPGSV messages in this set
1, Number of this GPGSV in the set (1 of 3)
12, Total number of satellites in view
21,71,000,, Satellite 21, elevation 71, azimuth 0, CNO unknown
27,68,000,34 Satellite 27, elevation 68, azimuth 0, CNO 34
08,62,000,33, Satellite 8, elevation 62, azimuth 0, CNO 33
29,52,000,, Satellite 29, elevation 52, azimuth 0, CNO unknown
*71 Checksum