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K1 with all options has rising crackling static cleared by transmitting

Posted by k1-4 user on Jul 05, 2013; 3:34am
URL: http://elecraft.85.s1.nabble.com/K1-with-all-options-has-rising-crackling-static-cleared-by-transmitting-tp7576298.html

Hello group

I
My K1-4 with 17m worked great on FD with > 95% call to contact.
The only annoying thing is a crackling static that starts slowly but crescendos quickly, is strong in strength, and is quieted by transmitting or by pushing the menu button or selection of the next NB level including off.
Is distinguished easily from atmospheric qrn.
In normal active operation the t-r mutes the noise and more than slightly desensitizes the receiver and cuts the static back until it cycles up again.

Any thoughts are appreciated

Robin