[Elecraft] K3 new firmware release 1.58

[Bill W5WVO]

Stop it! You're making me drool all over my keyboard!

Bill W5WVO
K3 in Febr... uh, Mar... uh, April, maybe...

cloud runner wrote:
> GREAT SCOTT !!!
> 
> the new version of the narrow filter; at the noise floor the filter
> is half the width it was before as seen in spectrogram.  Not only
> that, the top of this new filter, even at 50 cycles wide, is FLAT
> topped.  I imagine that is why it doesn't ring, and it doesn't.   
> 
> I listened to a signal that was 25 DB over nine, coming from the
> whistle clean K3 of W7QC, and then of an S-1 DX station, which once
> tuned in seemed S-9, both were essentially without ringing.  
> 
> 73,
> 
> FD - kt5x
> 
> K2 # 0700
> K3 # 0144
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