Globalstar ST100 User Manual page 53

8545-0194-01 v1.0
Example Command:
Where:
• Payload Byte 0:
• Payload Byte 7:
• Payload Byte 8:
Example Command:
Where:
• Payload Byte 0:
• Payload Byte 7:
• Payload Byte 8:
• Payload Byte 9:
• Payload Byte 10:
• Payload Byte 11:
• Payload Byte 12:
• Payload Byte 13:
• Payload Byte 14:
• Payload Byte 15:
• Payload Byte 16:
• Payload Byte 17:
BYTE BITS
0 0 - 7
1 0 - 7
2 0 - 7
3-4 0 - 15
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.
ST100 User Manual v1
AA 08 33 AA BB CC 57 C3
0xAA
0xBB
0xCC
AA 11 33 01 02 03 04 05 06 07 08 09 0A 0B 0C C6 8E
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
SEND REDUNDANT BURST WITH GPS RESPONSE
PARAMETER
Leader
Length
Command Code
CRC
AA 05 33 C1 C7
0x012B485DBFF02E02030405060708090A0B0C
2B485D
is the 24-bit latitude
BFF02E
is the 24-bit longitude
Always a value of 0xAA
0x33 = ACK or 0xFF = NAK
30.433126688004 (North)
-90.086903572083 (West)
Confidential & Proprietary Information
DESCRIPTION
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