"RadioNerd" wrote in message
...
George,

I've been enjoying your posts on the groups and have visited your
website quite a few times.

snipped for brevity

I too have enjoyed your posts George and this one by far has got my mind
going. Gotta get me some more scanner to do my own searches of different
bands like you do with Mil bands....

Sounds like you've run across a spread spectrum encrypted signal. I
hear 'em here occasionally. I'm south of Washington DC near Quantico
Marine Corps base, the CIA and a huge remote transmitter site used by
the Pentagon. (It's also a 'numbers station' transmitter site, but
they don't exist, do they?). As per typical CIA and Pentagon
operations, they use any radio frequency they want to- the ham bands,
shortwave broadcast bands, military bands and in between television
channels a lot. I've been next to the remote Pentagon site with my
OptoScout and my R-10 and had it come up anywhere between 200 and 500
MHz with two to ten channels spaced from five to forty MHz apart of
what sounded like medium baudrate data or white noise or a strong dead
carrier which lasted anywhere from a minute to ten minutes at a time
and then went down.

WHOA!! Very interesting!

-RF
http://www.Police-Scanner.info