Section 3: Operation
NetClock/GTP Instruction Manual
Page 3-17
Inaccuracy
Code
Time Error
(mSec)
Time Since
Unlock (Hours)
Space
<1
Locked
A
<10
<10
B
<100
<100
C
<500
<500
D
>500
>500
TABLE 3-4 QUALITY INDICATORS
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.
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.
Example
:
?A01 271 12:45:36.123 S
The example data stream provides the following information:
Sync Status: The clock has lost GPS time sync. The inaccuracy code of “A”
indicates the expected time error is <10 milliseconds.
Date:
Day 271 of year 2001.
Time:
12:45:36 UTC time, Standard time is in effect.
Содержание 8183A GTP
Страница 36: ...Section 3 Operation Page 3 2 NetClock GTP Instruction Manual FIGURE 3 1 NETCLOCK GTP FRONT PANEL...
Страница 39: ...Section 3 Operation NetClock GTP Instruction Manual Page 3 5 FIGURE 3 2 NETCLOCK GTP REAR PANEL...
Страница 64: ...SECTION 4 SOFTWARE COMMANDS 4 0 INTRODUCTION 4 1 4 22 RS 232 COMMAND SET...
Страница 96: ...SECTION 5 SERVICE INFORMATION 5 0 INTRODUCTION 5 1 RECEPTION TROUBLESHOOTING 5 2 TCXO ADJUSTMENT...
Страница 102: ...APPENDIX A IRIG CODE DESCRIPTION A 0 INTRODUCTION A 1 FAA IRIG B CODE...
Страница 104: ...Appendix A FAA IRIG Code Description Page A 2 NetClock GTP Instruction Manual FIGURE A 1 FAA IRIG B TIME CODE...
