User guide

Part 6 – Commands for GPS-Enabled Devices Chapter 16 – Commands for GPS-Enabled Devices
Universal IP AT Commands Reference Guide (Document S000457H) 95
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>
1 2 3 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 Name Ex. Description
1 No. of messages 3 Total number of GSV messages to be transmitted (1-3)
2 Sequence number 1 Sequence number of current GSV message
3 Satellites in view 12 Total number of satellites in view (00 ~ 12)
4 Satellite ID 05 Satellite ID number, GPS: 01 ~ 32, SBAS: 33 ~ 64 (33 = PRN120)
5 Elevation 54 Satellite elevation in degrees, (00 ~ 90)
6 Azimuth 069 Satellite azimuth angle in degrees, (000 ~ 359 )
7 SNR 45 C/No in dB (00 ~ 99)
Null when not tracking
8 Checksum 72
RMC – Recommended Minimum Specific GNSS Data
Time, date, position, course and speed data provided by a GNSS navigation receiver.
Structure:
$GPRMC,hhmmss.sss,A,dddmm.mmmm,a,dddmm.mmmm,a,x.x,x.x,ddmmyy,,,a*hh<CR><LF>
1 2 3 4 5 6 7 8 9 10 11
Example:
$GPRMC,111636.932,A,2447.0949,N,12100.5223,E,000.0,000.0,030407,,,A*61<CR><LF>
Field Name Example Description
1 UTC time 0111636.932 UTC time in hhmmss.sss format (000000.00 ~
235959.999)
2 Status A Status
‘V’ = Navigation receiver warning
‘A’ = Data Valid
3 Latitude 2447.0949 Latitude in dddmm.mmmm format
Leading zeros transmitted
4 N/S indicator N Latitude hemisphere indicator
‘N’ = North
‘S’ = South
5 Longitude 12100.5223 Longitude in dddmm.mmmm format
Leading zeros transmitted
6 E/W Indicator E Longitude hemisphere indicator
'E' = East
'W' = West
7 Speed over ground 000.0 Speed over ground in knots (000.0 ~ 999.9)
8 Course over ground 000.0 Course over ground in degrees (000.0 ~ 359.9)
9 UTC Date 030407 UTC date of position fix, ddmmyy format
10 Mode indicator A Mode indicator
‘N’ = Data not valid
‘A’ = Autonomous mode
‘D’ = Differential mode
‘E’ = Estimated (dead reckoning) mode
‘M’ = Manual input mode
‘S’ = Simulator mode
11 checksum 61