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Lassen-SK8 Embedded GPS Module A-13
Trimble Standard Interface Protocol
A.13 Command Packets Sent to the Receiver
The table below summarizes the command packets sent to the receiver. The table includes
the input Packet ID, a short description of each packet, and the associated response packet.
In some cases, the response packets depend on user-selected options. These selections are
covered in the packet descriptions beginning on page A-13.
Table A-12. User-Selected Command Packet Options
Input ID Packet Description Output ID
0x1E clear battery back-up/reset See Note 1
0x1F software version 0x45
0x21 current time 0x41
0x23 initial position (XYZ ECEF) --
0x24 request receiver position fix mode 0x6D
0x25 soft reset & self-test See Note 1
0x26 receiver health 0x46, 0x4B
0x27 signal levels 0x47
0x28 GPS system message 0x48
0x2A altitude for 2-D mode 0x4A
0x2B initial position (Lat, Lon, Alt) --
0x2D oscillator offset 0x4D
0x2E set GPS time 0x4E
0x31 accurate initial position (XYZ Cartesian ECEF) --
0x32 accurate initial position --
0x35 I/O options 0x55
0x37 status and values of last position and velocity 0x57
0x38 load or request satellite system data 0x58
0x39 satellite disable 0x59
0x3A last raw measurement 0x5A, see Note 2
0x3C tracking status 0x5C, see Note 2
0x60 type 1 differential correction --
0x61 set differential correction --
0x62 request differential GPS position fix mode 0x82
0x65 differential correction status 0x85, see Note 2
0x6E Synchronized Measurement output control 0x6E
0x70 filter configuration 0x70
0x7A set/request NMEA output configuration 0x7B
0xBB set receiver configuration 0xBB
0xBC set port configuration 0xBB