^ Space separator
HH Hours (00-23 UTC time)
MM Minutes (00-59)
SS.SSSS Seconds (00.0000-60.0000)
L Leap Second Indicator (space, L)
CR Carriage Return
LF Line Feed
The start bit of the first character marks the on-time point of the data stream.
The time synchronization status character (I) is defined as described below:
? When the receiver is unable to track any satellites and the time synchronization lamp is red.
* 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) When a leap second correction is not scheduled for the end of the month.
L When a leap second correction is scheduled for the end of the month.
E x a m p l e :
0004 50085 124536.1942 L
The example data stream provides the following information:
Data format 4
Sync Status Time synchronized to GNSS.
Modified Julian Date 50085
Time 12:45:36.1942 UTC
Leap Second A leap second is scheduled at the end of the month.
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.
508 SecureSync User Reference Guide
APPENDIX
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