The XLi comes with the standard TCVCXO oscillator described below. The stability of the following
oscillators is dependent on the reference source. For reference source accuracies, see

“System Time &

Frequency Accuracy” on page 10

Frequency

1575.42 MHz (L1 signal)

Code

Coarse Acquisition (C/A) code

Tracking

Up to 12 satellites with TRAIM

Position Accuracy

Typically < 10m when tracking four (4) satellites

TRAIM Mask

μS

1 PPS Accuracy

UTC-USNO

±30 ns RMS 100 ns Peak

Time standard:

UTC or GPS

Antenna input

Female BNC

Antenna Power

20 mA – 220 mA, +12 V

Frequency/Timing

Allan Deviation,

Stability

1 x 10

-9

@ 1 sec

2 x 10

-10

@ 1K sec

3 x 10

-12

@ 1 day

Temp

5x10

-7

, over 0°C to 50°C when not locked to a reference

Drift Rate

5 x 10

-9

/ Day