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A-26 Lassen-SK8 Embedded GPS Module
Trimble Standard Interface Protocol
*
Note – Automatic output of 5 A messages is supported in the Lassen-SK8 for backwards
compatibility with older TSIP applications.
*
Note – See the associated superpacket output, described later in this appendix. Packet
8E must be used to specify which superpacket is to be output.
A.17.18 Command Packet 0x37
This packet requests information regarding the last position fix and is only used when the
receiver is not automatically outputting positions. The GPS receiver returns the position/
velocity auto packets specified in the 0x35 message as well as message 0x57.
Byte
Parameter
Name
Bit
Position
Default
Bit
Value Option
Associated
Packet
2 timing 0 0 time type
0: GPS time
1: UTC
0x42, 0x43,
0x4A, 0x83,
0x84, 0x56,
0x8F-17,
0x8F-18
1 0 reserved
2 0 reserved
3 0 reserved
4 0 reserved
5-7 0 not used
3 Auxiliary PR
meas.
0 0: off 0x5A
1 0: raw 0: raw Pr’s in 5A
1: filtered PR’s in 5A
0x5A
2 reserved
3 0: off
1: on
output dBHz instead of
AMU
0x5A, 0x5C,
0x47,
0x6F
4-7 reserved
Table A-21. Command Packets 0x35 and 0x55 Data Descriptions
(Continued)