[CQ-Contest] Heil Pro Set Quiet Phone

[Scott Ellington <k9ma@sdellington.us>]

I've had one of these for years, and really like the noise reduction.  
They're long since discontinued, and Heil has no information on them and 
does not repair them.  Mine was always susceptible to RF, and eventually 
broken wires in the cords made them unusable.  So, I spent a ridiculous 
amount of time reverse-engineering them and finding a fix for the RF 
problem.  Let me know if you're interested.
73,

Scott  K9MA

--
Scott Ellington  K9MA
Madison, Wisconsin, USA

k9ma@sdellington.us

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