Thanks Billy,

I was about to say that I'm fairly well versed in my digital modes and
tools for decoding them and this is not a standard digital mode that I'm
used to. I've heard it before on the bands, but usually not on a
frequency range that annoys me.

Also, I'm using a ICOM R75 and she does not ghost like a the cheat
receivers. Noooo way this is something else, and I also Heard the same
noise across the same Frequency range on DEGEN 1103 and its wire
antenna. So this is differently Broadband spectrum wash / noise.

Anyone else heard this noise before and willing to put forth a
creditable suggestion ?

Cheers
Mark

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Location: Canberra Australia
Radio: Icom R75 with DSP options
Antenna: Cliff Dweller 2
Website: http://aussiedrifter.blogspot.com/

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Billy Burpelson wrote:

In article ,
AussieDrifter wrote:

G'day Guys,

While listening to the 40m hams trying to catch VA7MLW Canadian
sailing solo run the world, the band is total washed out with this
spectrum noise. I have a recording of this BLOODY annoying spectrum
noise, which I'm sure is OVER HORIZON RADAR or something very
similar, can anyone else please confirm this ?

Recording - http://ustream.tv/recorded/K86S2mXnhNYZzaOknbgAMg

Telamon wrote:

Sounds like a digital transmission mode like AMTOR.

Nope.

Maybe digital but guaranteed NOT to be AMTOR, PACTOR OR G-TOR. These are
"linked" modes, with a pause between transmissions to wait for the ACK
or NAK from the other station. All of the TOR modes sounds sort of like
a cricket -- nothing at all like the signal in question sounds.