Maestro e200 series User Manual - page 198
MAESTRO WIRELESS SOLUTIONS |
SERVICES
E200 SERIES | USER MANUAL VERSION 1.0
http://support.maestro-wireless.com
198
Sample GPS Frames
1. $GPGSV,4,1,16,21,50,358,38,22,28,272,37,29,53,164,36,18,51,319,31*7E
Parameters
Description
MID GSV Parameters
MID
GSV Protocol Header
Example – $GPGSV
Number of
Messages
(1)
Total number of GSV messages to be sent in this
group
Example – 4
Message Number
(1)
Message number in this group of GSV messages
Example – 1
Satellites in View
(1)
16
Satellite ID
Channel (Range 1 – 32)
Example - 21
Elevation
Channel 1 (Maximum 90)
Example – 50 degrees
Azimuth
Channel (True, Range 0 – 359)
Example – 358 degrees
SNR (C/N0)
Range 0 -99, null when not tracking
Example – 38dBHz
….
….
Satellite ID
Channel 4 (Range 1 – 32)
Example – 18
Elevation
Channel 4 (Maximum 90)
Example – 51 degrees
Azimuth
Channel 4 (True, Range 0 - 359)
Example – 319 degrees
SNR (C/N0)
Range 0 – 99, null when not tracking
Example – 31 dBHz
Checksum
*71
End of message termination
Table 12.5-2: GSV Data Format
(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.