Symmetricom XL-GPS User Manual

2: System Specifications
from the front panel keypad, the function is selectable by:
1. Menu
2. Up arrow to F67, Enter
3. Request the current GPS leap second, (e.g. January 2010: GPS time - UTC = -15, TAI -
UTC = -34). Use the Up/Down keys to increment or decrement these values. (see a descrip-
tion of International Atomic Time, TAI below).
4. Enter
5. Request the leap second: . Where necessary, use the Up/Down keys to add or subtract a
leap secondnone, add or sub in March, June, September, or December, and year.
6. Enter
Discrete 10 MHz Output
Signal Type: Analog sine wave
Synchronization:
Phase coherent to the clock 10MHz and 1PPS to within
10ns
Amplitude: +13 dBm +/- 1.5 dBm, into 50 Ω
Qty: One
Connector: BNC female
Frequency stability while locked to GPS (Overlapping Allan Deviation),
Adev: 1 x 10
-9
@ 1 sec
2 x 10
-10
@ 1k sec
1 x 10
-12
@ 1 day
Frequency when locked to IRIG time code input:
Page 10 of 221 .................................098-00116-000 Rev. A

Symmetricom XL-GPS Specifications

General

Brand	Symmetricom
Model	XL-GPS
Category	Receiver
Language	English