Alpha Comms on 8992 kHz [USB] @ 1440 UTC
on 3 DEC 2011

Heard a Male Voice with a series of Alpha Comms
with an distinct 'echo' -note- no 'Out' ID.

S-Meter : S1~3 with SIO 555 and Very Good Audio

USAF High Frequency Global Communications System
http://www.ominous-valve.com/hfgcs.txt

YouTube Audio Clip for 8992 USB {not mine}
http://www.youtube.com/watch?v=LKCipyFycYc