12713020-002-2 Revision D – April 2004 SSU-2000 User’s Guide 277
TL1 Command Interface
RTRV-DATA-CDMA:[tid]:[aid]:
ctag;
Valid aid code: S1A3 or S1A5 (for a CDMA module).
This command returns the current tracking data for the
specified CDMA input. If the input specified is not a CDMA
module, a DENY response is returned.
The format for the valid response message is:
^^^"aid:freq,snr,status”<cr lf>
where:
freq indicates the number of the frequency table that is
displayed with RTRV-CDMA-FREQ;
snr = signal-to-ratio or signal strength measurement;
status = tracking status of the CDMA engine, where:
OK = tracking
SRC = searching for base frequency
ACQ = acquiring signal.
RTRV-DATA-GPS:[tid]:[aid]:
ctag;
Valid aid code: S1A3 or S1A5 (for a GPS module)
This command returns the current tracking data for the
specified GPS input. If the input specified is not a GPS
module, a DENY response is returned.
The format for the valid response message is up to 8 lines in
this format:
^^^"aid:chan,prn,snr,status”<cr lf>
Each line displays information for one of the satellites
currently being tracked:
chan indicates the channel number used to track the
corresponding
sv
prn = satellite vehicle number
snr = signal-to-noise ratio or signal strength
status = the currently tracking status, where:
SRC = searching
COD = code locking
FRQ = frequency locking
TIM = setting time
EPH = retrieving Ephemeris data
OK = satellite being used in the timing solution.
Table B-5. TL1 Retrieve Commands (Continued)
Command Description
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