Hi, Have you tried the NB (*not* NR)? I find it very effective against power line noise. I use the setting t2-6, IF off. For a long time I was using a combination of DSP and IF setting, but found that the IF contribution was little or non-existing, so I switched to DSP NB only.
AB2TC - Knut k6dgw wrote > > I operate mainly CW and while the NB is very effective for me on CW, > I've never seen much advantage to the NR at narrow CW bandwidths. I had > occasion to be on SSB this week attempting to work several SOTA summit > activations, and tried the NR. At the wider SSB BW, it made a great > difference. > > With NR however, even at F1-1 [which I think means least aggressive], > while the nasty line noise really fell, the SSB signal acquired a > profound echo which made it very hard to understand. I'm running FW4.39 > and whatever DSP came with it. Is this reverberation [it's more like > that than a distinct echo, like talking through a long pipe] normal? > The further "up" the NR scale I went, the more pronounced it got, and > beyond F1-4, the signal was indecipherable. > > Full Disclosure: My hearing sucks and has since one night in 1965 on > the other side of the planet, so me telling you what something sounds > like can be somewhat of a joke. I can't use my hearing aids under my > headphones, so I run the AF gain high ["afterburner roar" or close], but > the reverb effect definitely is controlled by the NR. > > 73, > > Fred K6DGW > - Northern California Contest Club > - CU in the 2012 Cal QSO Party 6-7 Oct 2012 > - www.cqp.org > > <snip> > -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Noise-Reduction-question-tp7507450p7507495.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ 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
