[Elecraft] [K3] Best Filter for the K3 when operating PSK31

[Julian, G4ILO]

Brandon673 wrote:
> 
> I would like to hear opinions and reasons for the best filter to use for
> operating PSK31 with the K3.
> 

You don't need anything more than the SSB filter. I agree with Don that to
provide the best chance of copying a signal it's best to use narrow
filtering around it but I would not go to the expense of buying a 200Hz
filter just for PSK31 operation even though that is probably the mode I use
most often. I have a 500Hz filter which I got for CW use which obviously
comes into play when I reduce the bandwidth to 500Hz or less in DATA too.
But its effect is hardly noticeable in digital modes (unlike CW where you
have key clicks to contend with). I really feel that the DSP filtering does
a good enough job for this application.

If you use a program that allows decoding of a wide swath of passband (PSK
Browser or whatever) then it would be useful to have the AM filter which
would allow you to open the receiver passband up to 4KHz.

-----
Julian, G4ILO. K2 #392  K3 #222.
* G4ILO's Shack - http://www.g4ilo.com
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* KTune - http://www.g4ilo.com/ktune.html

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