? 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 time difference from UTC, ±HHMM, is selected when the Serial Com or Remote port is con-
figured. A time difference of -0500 represents Eastern Time. UTC is represented by +0000.
The Daylight Saving Time indicator (D) is defined as:
S During periods of Standard time for the selected DST schedule.
I During the 24-hour period preceding the change into DST.
D During periods of Daylight Saving Time for the selected DST schedule.
O During the 24-hour period preceding the change out of DST.
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 :
0003 20150415 124536-0500D #
The example data stream provides the following information:
Data Format 3
Sync Status Day 271 of year 2015.
Date April 15, 2015.
Time 12:45:36 EDT (Eastern Daylight Time). The time difference is 5 hours behind UTC.
Leap Second No leap second is scheduled for this month.
5.3.9 Spectracom Format 4
Format 4 provides a format indicator, time synchronization status character, modified Julian
date, time reflecting UTC with 0.1 millisecond resolution and a leap second indicator. Format 4
data structure is shown below:
256 VersaSync User Manual
APPENDIX
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