The default output string is as follows, Soh>ddd:hh:mm:ss.mmmq<cr><lf, F9<cr – Symmetricom XL-GPS User Manual
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The default output string is as follows:
<SOH>DDD:HH:MM:SS.mmmQ<CR><LF>
where:
The time quality character, “Q”, is one of the following characters:
For example, to prepare Time on Request, enter:
F9<CR>
Then, to request the current time, enter SHIFT-T on your keyboard. (“T” does not appear on the
command line). XL-GPS responds:
<SOH>128:20:30:04.357*<CR><LF>
To exit F9 press Ctrl-C on your keyboard.
<SOH>
= ASCII Start-of-Heading character
<CR>
= ASCII Carriage Return character
<LF>
= ASCII Line Feed character
DDD
= day-of-year.
HH
= hours.
MM
= minutes.
SS
= seconds.
mmm
= milliseconds.
:
= colon
separator.
Q
= time quality character (see the following table)
SPACE
= Time error is less than time quality flag 1’s threshold
.
= Time error has exceeded time quality flag 1’s threshold
*
= Time error has exceeded time quality flag 2’s threshold
#
= Time error has exceeded time quality flag 3’s threshold
?
= Time error has exceeded time quality flag 4’s threshold, or a reference source is
unavailable