[Elecraft] Strange sound

[jpk5lad at cox.net]

I've never seen this "situation" written about but I've just come 
across a very strange sound on my K3 - S/N-1068.  With the dial 
on 29.492.6 USB I get a continuous CW sounding signal.  It 
alternates a dot, then a dash then a space.  If it were truly CW is 
would be considered poorly sent CW and the speed is about 10-
12 WPM.  The lengths of the characters are not exactly the same 
each time but it never stops.  I discovered it yesterday and 
wanted to make sure it was not just a one time thing.  

I can switch modes and it remains.  Removing the antenna does 
not stop it, actually makes it a little stronger with the noise level 
dropped.  I'm using firmware 3.30 beta.  I tried on the SUB 
receiver and I hear nothing.

It smacks, a bit, of the beginning of a science fiction TV show.  
Any clue as to what I might be hearing?

73,
Jim - K5LAD


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