Multi-Tech Systems iCell GPRS (MTSMC-G2-IP Wireless Office Headset User Manual


 
Part 6 AT Commands for GPS-Enabled Devices Chapter 16 – AT Commands for GPS-Enabled Devices
Universal IP AT Commands Reference Guide (Document S000457K) 101
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>
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>
Name
Example
Description
Message ID
$GPGSV
GSV Protocol Header
Number of
messages
1
3
Total number of GSV messages to be transmitted in this
group (1-3)
Message Number
1
1
Message number in this group of GSV messages
Satellites in View
1
12
Total number of satellites in view (00 ~ 12)
Satellite ID
05
Satellite ID number, GPS: 01 ~ 32, SBAS: 33 ~ 64 (33 =
PRN120)
Elevation
54
Satellite elevation in degrees, (00 ~ 90)
Azimuth
069
Satellite azimuth angle in degrees, (000 ~ 359 )
SNR
45
C/No in dB (00 ~ 99). Null when not tracking
,,
,,
,,
12,44,061,44,
21,07,184,46,
22,78,289,47
Next Satellite ID number, elevation, azimuth, SNR
Next Satellite ID number, elevation, azimuth, SNR
Last Satellite ID number, elevation, azimuth, SNR
Checksum
*72
<CR><LF>
<CR><LF>
End of message (termination)
1
Depending on the number of satellites tracked, multiple messages of GSV data may be
required. In some software versions, the maximum number of satellites reported as visible is
limited to 12, even though more may be visible.