Status Queries; Ta - Transmit Almanac; Te - Transmit Ephemeris - Mitel GPS Orion-S/-HD Receiver User Manual

Document Title:
User's Manual for the GPS Orion-S/-HD Receiver

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
TA 6
1 x
2 xx
2 xx
1 x
Example:
<STX>TA15<ETX>
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
TE 6
1 x
2 xx
2 xx
2 xx
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:
<STX>TE0011<ETX>
<STX>TE281B<ETX>Query ephemeris data for PRN 28
Document No.
GTN-MAN-0110
DLR/GSOCNo part of this document shall be reproduced in any form or disclosed to third parties without prior authorization.
Description
Transmit Almanacs
<STX>
Command Id (=TA)
Checksum
<ETX>
Dump current almanac
Description
Transmit Ephemeris
<STX>
Command Id (=TE)
PRN of selected satellite; 00 requests complete set of 32 ephemerides
Checksum
<ETX>
Dump ephemerides for PRN 1 to 32
26
Issue 1.0
June 22, 2003