Mitel GPS Orion-S/-HD Receiver User Manual
Page 30
Document Title:
26
User’s Manual for the GPS Orion-S/-HD Receiver
Document No.
Issue 1.0
GTN-MAN-0110
June 22, 2003
DLR/GSOCNo part of this document shall be reproduced in any form or disclosed to third parties without prior authorization.
4.3.2 Status Queries
4.3.2.1
TA – Transmit Almanac
The TA command initiates the output of 32 messages (F13) containing the current GPS al-
manac data.
CmdID Chars. Format
Description
TA
6
Transmit Almanacs
1 x
2 xx
Command Id (=TA)
2 xx
Checksum
1 x
Example:
Dump current almanac
4.3.2.2
TE – Transmit Ephemeris
The TE allows polling of GPS ephemeris data (F14 message) for one or all GPS satellites. In
case of an invalid argument the command is ignored and a response
I-TE-Ignored (invalid argument)
is issued.
CmdID Chars. Format
Description
TE
6
Transmit Ephemeris
1 x
2 xx
Command Id (=TE)
2 xx
PRN of selected satellite; 00 requests complete set of 32 ephemerides
2 xx
Checksum
1 x
Notes:
•
F14 ephemeris messages are also issued automatically, whenever updated GPS
data have been extracted from the navigation data stream broadcast by the GPS sat-
ellites.
Examples:
Dump ephemerides for PRN 1 to 32
Query ephemeris data for PRN 28