[Elecraft] K-3 Noise Reduction

[N2TK, Tony]

I am in agreement with you about the NR. It has been one thing I have raised
the issue about for quite a while. I do like the NR on CW. I typically use
F1-1 or F1-2. Can't see turning it up any higher than that.

But on SSB, I only use F5-1. I wish there was something less than this so
that the background noise would diminish without coloring the audio. I like
the way the NR works on the Icom 7600 with the low settings.

It is not a major obstacle. More like "I wish it was better".

I like the rest of the rig, actually with both of my K3's.  

73,
N2TK, Tony

Only a few more days till Dayton.

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Alexander Sack
Sent: Monday, May 16, 2011 3:45 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] K-3 Noise Reduction

On Mon, May 16, 2011 at 11:43 AM, Dick <ko7n at peak.org> wrote:
> Bill,
>
> Could you refer me to those urls?  This is a most interesting thread
> about NR and NB.  To date my K3 is not as good as my 756 PRO III.
> However, I am still new to the K3 and believe it to be cockpit error.
> Other than that the k3 is a dynamite box. AGC, interesting will try
> working with that.

http://www.cliftonlaboratories.com/elecraft_k3_agc_and_s-meter.htm

(Google is your friend, I typed "AGC K3")

AGC definitely helps to some extent as well as working with the
passband as needed for really noisy situations.

I think a lot of folks on this list use the default settings which are
ABSOLUTELY fine but in some instances sub-optimal.  I know playing
with my AGC did help.

My biggest complaint with the NR feature on the K3 (If Eric/Wayne and
friends care about my 0.2 cents), is that so far, the various
different algorithms have not been that helpful.  Though we have a lot
of choices with the DSP, I find most of them a complete waste at least
on sideband.  I typically use F1-1 (default) or F2-1.

I do wish there was more of an explanation on the different NR
algorithms employed than what's in the manual (plays music for
Elecraft to chime in...) ,i.e.  what are the differences with respect
to the DSP, a general guideline/recommendation on what to try during
certain situations....etc.

73

-aps
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