[Elecraft] K3: Best AGC settings for QRN?

[Steve Ellington]

Tom
Why is your DCY on nor instead of SOFT? SOFT seems to lessen the band noise 
between CW characters. Does it have any negative effects?
Steve Ellington
N4LQ at carolina.rr.com
----- Original Message ----- 
From: "Radio Amateur N5GE" <n5ge at n5ge.com>
To: <Elecraft at mailman.qth.net>
Sent: Tuesday, April 21, 2009 11:27 AM
Subject: Re: [Elecraft] K3: Best AGC settings for QRN?


> On Mon, 20 Apr 2009 22:51:06 -0400, "Steve Ellington"
> <n4lq at carolina.rr.com> wrote:
>
> Here are my settings for all modes (Hardly ever work phone on HF).
>
> AGC DCY nor
> AGC HLD 0.30
> AGC PLS Nor
> AGC SLP 0
> AGC THR 008
> AGC F 120
> AGC S 008
>
> I too find that a maximum of 400hz on CW kills much of the band noise,
> but 250hz is IMHO best for QRN & QRM
>
> As an aside, when the phone bands are QRN I use from 1.8 to 2.1
> settings on my 2.8 filter.
>
> On VHF and UHF I use the 2.7 filter in K3 #1055 in the same way.
>
> Tom, N5GE
> K3 #806, K3 #1055
> XV144, XV432
> W1 and other small kits.
> http://www.n5ge.com
>
>>I enjoy rag chewing on 80 CW during the evenings, even during summertime
>>conditions. I've been experimenting with various AGC settings. Tonight I 
>>had
>>a QSO with a fellow who was S9 but QRN was hitting 20db over that.
>>Here's what I'm using.
>>AGC DCY...........Soft
>>AGC HLD...........0
>>AGC PLS ...........nor
>>AGC SLP..........003
>>AGC THR.......008
>>AGC - F...........120
>>The AGC F adjustment seems to have little or no effect. Something has
>>changed because this used to really make an obvious difference.
>>AGC ....Soft vs. Nor doesn't seem to do much. When it was first introduced
>>it did too much but now it's rather difficult to tell a difference. BTW, I
>>usually end up using the 400 HZ filter. It seems to offer the best
>>compromise for QRN.
>>Any suggestions would be appreciated.
>>N4LQ
>>Steve Ellington
>>N4LQ at carolina.rr.com
> [snip]
>
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