[Elecraft] K3: Best AGC settings for QRN?

[Radio Amateur N5GE]

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]