среда, 30 сентября 2009 г.

PSK: Arcotel Farcos 1800 EADS/RACOMS psk-4, ALE

Arcotel Farcos 1800 EADS/RACOMS psk-4, ALE.

Author: SergUA6 6.0

Band Width ~2200-2400 Hz
Low Range 500-600 Hz
Baud Rate 1800 Hz
Carrier frequency 1600 Hz is standard, in this example carrier frequency is 1648 Hz
RX mode SSB

The signal is here.


pic.1 General view

pic.2 Speed


pic.3 Phase constellation

ARCOTEL FARCOS 1800 EADS/RACOMS - this signal is from the same series as ARCOTEL MAHRS 2400 EADS/RACOMS, but it has other PSK mode, a little bit shorter bursts and slower speed. The presence of header with psk-2 duration about 70 msec is characteristic.