[Elecraft] How to outfit a K3 for JT65HF or JT9

[Jim Brown]

On 4/21/2014 10:05 AM, Joe Subich, W4TV wrote:
> There are, of course, exceptions to that rule.  When there is a
> very strong signal in the passband that is causing the receiver
> to reduce gain to the point that a weak signal is not copyable,
> a CW filter (400 Hz) centered on the weak signal can often make
> the difference between copy and no copy. 

Yes. But the important thing is that "less is more" -- that is, the 
phase shift occurs in the skirts and in the passband near the skirts -- 
so when reducing bandwidth, stay as wide as you can and still reduce the 
strength of the QRM.

73, Jim K9YC