Thanks for the explanation and plot. I will try your settings for the slope/threshold. I do run a mast-mount SP-2000 for 2 meters with the internal K144XV, works well together. I have not added a preamp on 6 meters yet.
> Date: Thu, 17 Jan 2013 16:28:55 +0000 > From: als...@nc.rr.com > To: chadwasin...@outlook.com > Subject: Re: [Elecraft] K3 AGC settings for weak signal CW > > Chad, > > AGC doesn't kick in till way above weak signal on any reasonable values > of THR and slope. Of course a mast mounted preamp on 2M would help a > lot. One can get by with a back of the rig preamp for 6M. The stock K3 > is deaf on 6M. For weak CW signal DXing, I had to add 15 db of low NF > preamp gain. Managed to finally finish 6M DXCC last year. > > The prevailing DXer's are all over the map on where to set the threshold > on HF bands. > > I've decided to set slope/threshold to 12/12 here based upon some > measurements. Attached is the curve I generated. > > The threshold determines where the AGC action starts. The slope is how > fast the audio rises with increasing signal above this point. > > 73 de Brian/K3KO > > > On 1/17/2013 16:15, Chad Wasinger wrote: > > Would anyone be willing to share their preferred AGC settings for > > receiving weak cw signals? Specifically, I'm wanting to fine tune my > > settings for listening to "at the noise" 2 meter and 6 meter > > beacons. Thanks!ChadN0YK > > ______________________________________________________________ > > Elecraft mailing list Home: > > http://mailman.qth.net/mailman/listinfo/elecraft Help: > > http://mailman.qth.net/mmfaq.htm Post: > > mailto:Elecraft@mailman.qth.net > > > > This list hosted by: http://www.qsl.net Please help support this > > email list: http://www.qsl.net/donate.html > > > > > > ----- No virus found in this message. Checked by AVG - www.avg.com > > Version: 2012.0.2221 / Virus Database: 2638/5539 - Release Date: > > 01/17/13 > > > > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
