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GLOBALSTAR PROPRIETARY AND CONFIDENTIAL INFORMATION
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06/18/20 Subject to Change without Notice P a g e | 47
4.2.2.21 "Transmitter Statistics" query.
Transmitter Statistics Query
Byte
Bits
Parameter
Description
0
0 - 7
Leader
Always a value of 0xAA.
1
0 - 7
Length
0x5
2
0 - 7
Command Code.
0x3B = Transmitter Statistics Query
3 -4
0 - 15
CRC
Transmitter Statistics Response
Byte
Bits
Parameter
Description
0
0 - 7
Leader
Always a value of 0xAA.
1
0 - 7
Length
0x0C
2
0 - 7
Command Code.
0x3B = Transmitter Statistics Query
3
0 - 7
Reset Flag
0x00 = Device has not reset since the last time
this query was issued
0x01 = Device has reset since the last time this
query was issued
4 - 5
0 - 15
Total messages in
mode
Total messages transmitted in the current track
mode, including interleaved messages.
6 - 7
0 - 15
Total Packets
Transmitted
Total packets transmitted since the last reset.
Rolls over at 65,535
8 - 9
0 - 15
Total TX failures
Total times the transmitter attempted to lock
the PLL so it could transmit and the PLL
would not lock
Any number here other than zero is a serious
indication of a problem.
(It's possible the PLL might not lock in
extreme high or low temperature conditions,
but generally speaking, anything other than
zero here is probably bad.)
10 -
11
0 - 15
CRC