MAESTRO WIRELESS SOLUTIONS
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241
E SERIES | USER MANUAL VERSION 2.2.0
http://support.maestro-wireless.com
a.
Sample GPS Frames
$GPGSV,4,1,16,21,50,358,38,22,28,272,37,29,53,164,36,18,51,319,31*
7E
IMEI number is now added in the start of every frame
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
<CR><LF>
End of message termination
Table 12.8-2: 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
