[Elecraft] Rx comparison test with the K2

[Ron D'Eau Claire]

>  Frankly, I haven't been very impressed by
> the K2's blanker either, but not sure I've had a chance to test it under
> really noisy conditions.  When thunderbumpers were hovering 50 miles away,
> I've seen QRN levels 20db over S-9.  The FT-1000D's blanker would usually
> reduce it to S2 or 3.
> Ed, W5EJ

Quite right!

The K2's noise blanker is designed to handle high-amplitude impulse noise
such as auto ignition - pulses with a very fast rise-time. It doesn't do a
thing to help with typical "atmospheric" QRN.

Ron AC7AC
K2 # 1289