Update Proprietary Track Data" Command - Globalstar ST100 User Manual

8545-0194-01 v1.0
Example Command:
Where:
• Period :
• Payload Byte 0:
• Payload Byte 7:
• Payload Byte 8:
Example Response:
Example Payload:
Where:
See section 4.6: "24 bit location format" for documentation of the encoding/decoding of Globalstar on-air location data.

4.2.2.15. "Update Proprietary Track Data" command

This command is used to change the user programmable data in a proprietary track message. If a proprietary track session is
not in progress, it is ACK'd but will do nothing.
BYTE BITS
0 0 - 7
1 0 - 7
2 0 - 7
3 0 - 7
4 0 - 7
5 0 - 7
6-7 0 - 15
ST100 User Manual v1
AA 0A 34 00 0A AA BB CC 3C 94
0x000A (10 minute intervals)
0xAA
0xBB
0xCC
INITIATE PROPRIETARY TRACK RESPONSE
BYTE BITS
0 0 - 7
1 0 - 7
2 0 - 7
3-4 0 - 15
AA 05 30 5A F5
0xAA2B4856BFF032BBCC
2B4856
is the 24-bit latitude
BFF032 is the 24-bit longitude
UPDATE PROPRIETARY TRACK DATA COMMAND FORMAT
PARAMETER
Leader
Length
Command Code
Byte 0 value
Byte 7 value
Byte 8 value
CRC
PARAMETER
Leader Always a value of 0xAA
Length 0x5
Command Code 0x30 = ACK or 0xFF = NAK
CRC
30.433051586151 (North)
-90.086817741394 (West)
Always a value of 0xAA
0x31 = Update proprietary track.
The value to transmit as byte 0
The value to transmit as byte 7
The value to transmit as byte 8
Confidential & Proprietary Information
DESCRIPTION
DESCRIPTION
0x08
39