[Elecraft] K3 - PSK31 - AGC/No AGC

[Frank Precissi]

I run the K3 with AGC-Off in all digital modes and rely on the roofing/DSP
filters to edge out really strong signals.  Most of the time the software
will compensate in pulling the weak signals out of the mud a lot better
than your rig making them louder.

I would suggest playing with each setting and see what works the best for
your particular setup.  I've read mixed things about AGC pumping, but dont
know if they are relevant to the K3.

Frank
KG6EYC

On Tue, Oct 27, 2015 at 5:04 PM Bob McGraw - K4TAX <rmcgraw at blomand.net>
wrote:

> I do run a fair amount of PSK-31 and much enjoy the same.  In that
> regard I always run AGC-F.   For selectivity, in dealing with strong
> signals in the midst of weak signals, I shift the passband and tighten
> the bandwidth as needed.    RF gain is always adjusted based on band
> noise such that signals just flicker the S meter.  NR and NB can be used
> with success.  However adjustment of the parameters will be likely
> needed,  again based on band noise and signals.  In other words "there
> is no shoe size that fits all".    Skill, practice and patience prevails.
>
> 73
> Bob, K4TAX
> K3S s/n 10163
>
>
>
> On 10/27/2015 5:32 PM, Leroy Buller wrote:
> > Hi guys....
> >
> >   Old topic from a Old Newbie.  I have been fooling around with PSK 31
> and I
> > have it set up and working but I do have a question.  Do most ops using
> > this mode turn off the AGC and then ride the RF gain control because of
> the
> > stronger signals in the band pass killing off the weaker signals?
> >
> > Is that how it is done....or am I missing something
> >
> > Yes, I have searched Google and could not find a good answer.
> >
> > Lee - K0WA
>
>
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