Trimble Standard Interface Protocol

A

0x3A Command Packet 3A

Last Raw Measurement Request

This packet requests the most recent raw measurement data for one specified satellite. The GPS receiver returns packet 5A if data is available.

Table A-25 Command Packet 3A

Byte

Item

Type

Value

Meaning

1

Satellite #

Byte

0

All satellites in the current

 

 

 

 

tracking set

 

 

 

1-32

Desired satellite

 

 

 

 

 

0x3B Command Packet 3B

Satellite Ephemeris Status Request

This packet requests the current status of satellite ephemeris data. The GPS receiver returns packet 5B if data is available.

Table A-26 Command Packet 3B

Byte

Item

Type

Value

Meaning

1

Satellite #

Byte

0

All satellites for which ephemeris

 

 

 

 

data is available

 

 

 

1-32

Desired satellite

 

 

 

 

 

A-38

Acutime 2000 Synchronization Kit User Guide

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Image 144
Trimble Outdoors Part Number 45005-00-ENG manual Last Raw Measurement Request, Satellite Ephemeris Status Request