Trimble Standard Interface Protocol

A

0x3D Command Packet 3D

Timing Port Configuration Command

This packet is superceded by 0xBC.

0x3F-11Command Packet 3F-11

EEPROM Segment Commands

This command packet requests the status of the EEPROM segments and clears the EEPROM status minor alarm bit (Bit 10) in the supplemental timing packet 8F-AC. The ACE UTC replies with report packet 5F-11.

Table A-28 Command Packet 3F-11

Byte

Item

Type

Value

Meaning

 

 

 

 

 

0

Subcode

BYTE

0x11

EEPROM segment status

 

 

 

 

 

0x40 Report Packet 40

Almanac Data Page Report

This packet provides almanac data for a single satellite. The GPS receiver sends this packet on request (packet 20 hex) and optionally, when the data is received from a satellite. The data format is shown below.

Table A-29 Report Packet 40

Byte

Item

Type

Units

 

 

 

 

0

satellite

BYTE

(identification number)

 

 

 

 

1-4

T_zc

SINGLE

seconds

 

 

 

 

5-6

week number

INTEGER

weeks

 

 

 

 

7-10

eccentricity

SINGLE

(dimensionless)

 

 

 

 

11-14

T_oa

SINGLE

seconds

 

 

 

 

15-18

i_o

SINGLE

radians

 

 

 

 

19-22

OMEGA_dot

SINGLE

radians/second

 

 

 

 

A-40

Acutime 2000 Synchronization Kit User Guide

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Image 146
Trimble Outdoors Part Number 45005-00-ENG manual Timing Port Configuration Command, Eeprom Segment Commands