GLOBALSTAR PROPRIETARY AND CONFIDENTIAL INFORMATION
Use or disclosure of data contained on this sheet is subject to the restrictions in the Distribution Statements on the title page of this
document.
06/18/20
Subject to Change without Notice
P a g e | 59
3 - 4
0 - 15
Rate
Rate in minutes, MSB first
5 - 6
0
– 15
CRC
4.2.2.32
“Turn On GPS” command
This command will turn on the GPS engine and once a fix is obtained, the location will be available in memory for later querying. Use
the “Query
GPS Statistics
” command to monitor the progress of the GPS engine. Once a fix is indicated, use the “Turn Off GPS”
command to power down the GPS engine.
Turn On GPS
Byte
Bits
Parameter
Description
0
0-7
Leader
Always a value of 0xAA.
1
0-7
Length
0x06
2
0-7
Command Code.
0xFD
3
0-7
Sub Command Code. 0x21 (Turn On GPS)
4-5
0 - 15
CRC
Command:
AA 06 FD 21 6F A8
Response:
AA 05 FD B3 E8