Spectracom Format 7 - Safran SecureSync 2400 User Manual

Data format
Sync Status
Modified Julian Date
Time
Leap Second
5.4.10

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
CR LF I^YY^DDD^HH:MM:SS.SSSL^D CR LF
Where:
CR
LF
I
YY
^
DDD
HH
:
MM
SecureSync 2400 User Manual
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 configure
a Local clock using Data Format 7 with either a Time Zone Offset or
automatic DST rule will result in an error message.
m e s s a g e :
Carriage Return
Line Feed
Time Sync Status (space, ?, *)
Year without century (99, 00, 01, etc.)
Space separator
Day of Year (001-366)
Hours (00-23 UTC time)
Colon separator
Minutes (00-59)
APPENDIX
573