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A-40 Acutime 2000 Synchronization Kit User Guide
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This packet is superceded by 0xBC.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.
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-28 Command Packet 3F-11
Byte Item Type Value Meaning
0 Subcode BYTE 0x11 EEPROM segment status
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