At time like this I appreciate having "non-critical" hearing capability (deaf in one ear, ringing in both). My K3 sounds great under all conditions -- and no fan I have makes any noise :-)

Phil W7OX

On 7/28/14, 6:05 PM, Bill W2BLC wrote:
Hello Sam in Ole Angelo,

The distortion you are noticing is very real and has bothered me to no end. It is discussed on a couple of websites, that I am sure the "experts" will jump in and tell you all about.

I did some research on the subject and a lot of experimentation. I eventually found the distortion can be reduced (or enhanced if you like being annoyed) by changing the menu values of AGC SLP. I have mine set at 6 and it makes the warble of the ANF (Automatic Notch Filter) - far less than the 12 default setting. Some of my other menu settings (for the arm chair copy user) can be found at: http://www.w2blc.net/K3.htm

I am sure others can expound upon the whys and wherefores of the software anomaly that causes this annoyance. Suffice to say, invoking the ANF on my other rigs does not cause distortion on received signals.

As always, your mileage may vary.

Bill W2BLC K-Line

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