Spectracom SecureSync 1200 User Reference Manual page 520

APPENDIX
CR
LF
I
Q
YY
^
DDD
HH
:
MM
:
SS
.
SSS
L
D
The leading edge of the first character (
The time synchronization status character (
? 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 quality indicator (
receiver is unable to track any GNSS satellites, a timer is started. "Quality indicators" on the
facing page lists the quality indicators and the corresponding error estimates based upon the
GNSS receiver 1PPS stability, and the time elapsed tracking no satellites. The Tracking Zero
Satellites timer and the quality indicator reset when the receiver reacquires a satellite.
504
Carriage Return
Line Feed
Time Sync Status (space, ?, *)
Quality Indicator (space, A, B, C, D)
Year without century (99, 00, 01, etc.)
Space separator
Day of Year (001-366)
Hours (00-23 UTC time)
Colon separator
Minutes (00-59)
Colon separator
(00-60)
Decimal separator
Milliseconds (000-999)
Leap Second indicator (space, L)
Daylight Saving Time Indicator (S,I,D,O)
) provides an inaccuracy estimate of the output data stream. When the
Q
Quality Time (hours) TXCO Error (milliseconds)
Space Lock <1
) marks the on-time point of the data stream.
CR
) is defined as described below:
I
OCXO Error
(milliseconds)
<0.01
SecureSync User Reference Guide
Rubidium Error
(microseconds)
<0.3