Spectracom Format 7 - Safran VersaSync User Manual

APPENDIX
* When the receiver time is derived from the battery backed clock or set manually through
the Setup Port Interface.
The leap second indicator (L) is defined as:
(Space)
L
E x a m p l e :
0004 50085 124536.1942 L
The example data stream provides the following information:
Data format
Sync Status
Modified Julian Date
Time
Leap Second
5.3.11

Spectracom Format 7

This format provides a time data stream with millisecond resolution. The Format
7 data stream consists of indicators for time synchronization status, leap second
and Daylight Saving Time. Time data reflects UTC time and is in the 24- hour
format. Format 7 data structure is shown below:
E x a m p l e m e s s a g e :
CR LF I^YY^DDD^HH:MM:SS.SSSL^D CR LF
Where:
356
When a leap second correction is not scheduled for the end of the month.
When a leap second correction is scheduled for the end of the month.
4
Time synchronized to GNSS.
50085
12:45:36.1942 UTC
A leap second is scheduled at the end of the month.
Note: Format 7 cannot be configured for a Time Zone Offset or with
automatic Daylight Saving Time adjustment. Attempting to con-
figure a Local clock using Data Format 7 with either a Time Zone Off-
set or automatic DST rule will result in an error message.
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