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Appendix D Performance Tests
59551A Performance Test Record
Operating and Programming Guide D-27
59551A Performance Test Record
Model 59551A GPS Measurements Synchronization Module
Serial Number: __________________________ Repair/Work Order No. _______________________
Test Performed By:_______________________ Temperature: ________________________________
Date: ___________________________________ Relative Humidity: ___________________________
Notes: ________________________________________________________________________________
Line Number Operational Verification Test Results
Pass Fail
1 10 MHz Verification ____ ____
2 1 PPS Verification ____ ____
3 IRIG-B Verification ____ ____
4 Time of Day RS-232 Serial Interface Verification ____ ____
5 Antenna Power Verification ____ ____
6 Time Tagging (Stamping) Verification ____ ____
7 Programmable Pulse Verification ____ ____
59551A Complete Performance Tests
Test Number Test Description Results Limits
1 10 MHz Frequency Accuracy
and
1 PPS Jitter (Locked to GPS)
1. ______________
2. _____________
Better than 1 x 10
−12
for a
one day average, 0° to
50° C.
<750 ps with at least one
satellite in view, Selective
Availability on.
2 10 MHz Holdover Aging
and
1 PPS Accumulated Time error
(Unlocked)
1. ______________
2. _____________
<1 x 10
−10
/day average
frequency change in
24 hours unlocked after
3 days locked operation
for any 10° C range
between 10° C and 40° C.
<8.6 us accumulated in
24 hours unlocked after
3 days of locked operation
with a fixed antenna
location, any 10° C range
between 10° C and 40° C.
3 1 PPS Time Accuracy (Locked) _____________
4 10 MHz Frequency Stability
(Time Domain) and Phase Noise
(Frequency Domain)
Measurement
_____________