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Lassen-SK8 Embedded GPS Module A-5
Trimble Standard Interface Protocol
A.4 Automatic Position and Velocity Reports
The receiver automatically outputs position and velocity reports at set intervals.
Automatic report packets are controlled by Packet 35. Setting the control bits as indicated
in the table below allows you to control which position and velocity packets are output.
Table A-3. Automatic Position and Velocity Reports Control Setting Bits
Packet
ID Description
Byte 0
Bit 0
Byte 0
Bit 1
Byte 0
Bit 4
Byte 0
Bit 5
Byte 1
Bit 0
Byte 1
Bit 1
0x42 single
precision XYZ
position
1 0
0x83 double-
precision XYZ
position
1 1
0x4A single-
precision LLA
position
1 0
0x84 double-
precision LLA
position
1 1
0x43 velocity fix
(XYZ, ECEF)
1
0x56 velocity fix
(ENU)
1
0x8F-17 Single
Precision
0 1
0x8F-18 Single
Precision
ELEF
0 1
0x8F-20 LLA & ENU 1