D Daylight Saving Time indicator (S,I,D,O)
TZ Time Zone
XX Time Zone offset (00-23)
The leading edge of the first character (CR) 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 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.
E x a m p l e :
271 12:45:36 DTZ=08
The example data stream provides the following information:
Sync Status Time synchronized to GNSS
Date Day 271
Time 12:45:36 Pacific Daylight Time
D DST, Time Zone 08 = Pacific Time
5.4.5 Spectracom Format 1
Format 1 converts the received day of year data (001-366) to a date consisting of
day of week, month, and day of the month. Format 1 also contains a time syn-
chronization status character, year, and time reflecting time zone offset and DST
correction when enabled.
564 SecureSync 2400 User Manual
APPENDIX
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