5.2 LD8 output sentences
5.2.7 GSV sentence
The NMEA GSV sentence provides information relating to the number of satellites (SV) in view, satellite
ID numbers, elevation, azimuth, and SNR value in one sentence.
GSV sentence structure & example
$GPGSV, a, b, cc, dd, ee, fff, gg, dd, ee, fff, gg, dd, ee, fff, gg, dd, ee, fff, gg, *hh,
$GPGSV, 4, 1, 13, 02, 10, 043, 41, 05, 05, 103, 38, 10, 04, 238, 42, 12, 13, 030, 44, *7E,
(Satellite 1) (Satellite 2) (Satellite 3) (Satellite 4)
GSV sentence defined
Field Content
GSV GNSS Satellites in view
a Total number of sentences (1-9)
b Sentence number (1-9)
cc Total number of satellites in view, within the talker ID constellation
dd
Satellite ID number
GPS = 1 to 32
GLONASS = 65 to 96
ee Elevation, degrees (90° maximum)
fff Azimuth, degrees true, 000 to 359
gg SNR (C/No) 00-99 dB-Hz, null when not tracking
hh Checksum
NOTE
Fields dd, ee, fff and gg will be repeated a maximum of 4 times per sentence, where
all satellite info is already output null values will be output.
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LD8 Operations Manual
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