[Elecraft] MCU 4.47

[NZ0T]

I have had distortion with Auto Notch going back more than a year.  I don't
remember which firmware update changed it but it's bad enough that I don't
use it anymore.  I use the manual notch instead.  I have mentioned this in
the forum but doesn't sound like a lot of others notice it but the
distortion is pretty bad on my K3.

On Thu, Jan 26, 2012 at 7:18 AM, Tobyp [via Elecraft] <
ml-node+s365791n7226981h9 at n2.nabble.com> wrote:

> I have been using the latest BETA release and notice that the Auto Notch
> produces distortion when engaged.  It is far too agreeeive. Manual notch
> works well. Have others noticed this?
>
> I would prefer the Notches to be inside the AGC loop as this does not
> desense the received signal when a strong signal is being notched.  IS it
> too late to change the Notch to operate within the AGC circuit?
>
> Also,  noticed that there possibly could be some
> TX audio impact with 4.47,  making the audio rougher than normal...  This
> might be due to the solar storms lately,  so will need to do some more
> testing. Anyone else notice this?
>
> Loss of AGC operation whicle using HRD has been improved quite a bit with
> 4.47.,
>
> I am back to MCU 4.39 to see if the TX audio improves,  or if it just is
> being affected by the solar storms.
>
> Toby  W4CAK
>
>
>
>
>
>
>
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