how bout some gidelines for AGC settings Bob K3DJC
On Mon, 04 Oct 2010 19:24:49 -0500 Sam Morgan <k5oai....@gmail.com> writes: > I think perhaps we should be including what settings > are being used for not only the DSP settings, > but also AGC SLP and AGC THR as well as AF anf RF settings > all the above will make for different results when folks say, > it's louder or not > > using head phones would also make for a big difference > in how high the volume needs to be > > maybe not so much in the louder or not part > but in the just HOW much louder it needs to be > to maintain the level of volume heard prior to turning DR on > > just to muddy the waters a bit, lol > > GB & 73 > K5OAI > Sam Morgan > > On 10/4/2010 7:01 PM, JAMES ROGERS wrote: > > Not throttled back here. > > > > Jim, W4ATK > > > > On Oct 4, 2010, at 6:20 PM, David Herring wrote: > > > >> General question to those participating in this thread, when > you > >> engage NR, are you running RF gain maxed out, or are you > adjusting > >> RF gain back to the point where it just affects the S-meter? > >> > >> Sadly I'm off the air for a few days so I can't test myself, but > I'm > >> interested to know if throttling the RF gain has any bearing on > the > >> drop in volume. > >> > >> 73, > >> > >> Dave, AH6TD > >> > >> Sent from my iPhone > >> > >> On Oct 4, 2010, at 12:47 PM, Gary Gregory<garyvk...@gmail.com> > wrote: > >> > >>> Hmmm...this topic appears from time to time and in the early > days I > >>> think it > >>> was relevant. Since Lyle has has worked on the DSP and > introduced > >>> F1-x for > >>> CW and 5-x up for SSB there has been a huge improvement. > >>> > >>> Perhaps the settings used by those experiencing a big drop in > audio > >>> levels > >>> are different to mine BUT I have just checked 7.055 listening to > an > >>> Indonesian station close to the noise floor. > >>> > >>> The result is I hear a lot of band noise and a soft and > difficult to > >>> understand SSB conversation, when I use NR (5-2) the noise drops > >>> significantly and the voice is marginally softer but now > >>> understandable. and > >>> a QSO would be easy to do providing the other station would be > able > >>> to copy > >>> me. > >>> > >>> I am sure that Lyle will revisit the Algorithm and see if indeed > any > >>> improvements can be made BUT for now I am quite satisfied with > the NR > >>> functionality. > >>> > >>> Having said this, we all experience different band conditions > and > >>> what works > >>> for one person may not work for all of us. > >>> > >>> My 2 cents worth...keep the change > >>> > >>> 73's > >>> Gary > >>> > >>> > >>> > >>> On Tue, Oct 5, 2010 at 8:15 AM, WILLIS COOKE<wrco...@yahoo.com> > >>> wrote: > >>> > >>>> That sure is not what I have observed. My signals drop about 2 > S > >>>> units if > >>>> they > >>>> are strong. If they are near the noise level they disappear. > I > >>>> am running > >>>> F > >>>> 1-1. It is worse if I run a higher NR level. > >>>> > >>>> Willis 'Cookie' Cooke > >>>> K5EWJ > >>>> > >>>> > >>>> > >>>> > >>>> ________________________________ > >>>> From: W4GRJ<w4...@satterfield.org> > >>>> To: Dale Wiese<dwies...@mac.com>; Elecraft Email< > >>>> elecraft@mailman.qth.net> > >>>> Sent: Mon, October 4, 2010 4:54:21 PM > >>>> Subject: Re: [Elecraft] [Elecraft K3] Volume Level with NR > >>>> > >>>> Dale, > >>>> > >>>> Just for reference, my experience with the K3 NR is > outstanding. I > >>>> cannot > >>>> notice any reduced volume on the tuned signal. The NR on my K3 > >>>> does a great > >>>> job of whacking out the noise without effecting the signal > level. > >>>> > >>>> You may need to do some checking of settings and calibration, I > am > >>>> sure > >>>> there are folks here that can help you. > >>>> > >>>> Jack > >>>> W4GRJ > >>>> > >>>> > >>>> -----Original Message----- > >>>> From: elecraft-boun...@mailman.qth.net > >>>> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dale > Wiese > >>>> Sent: Monday, October 04, 2010 2:31 PM > >>>> To: Elecraft Email > >>>> Subject: Re: [Elecraft] Volume Level with NR > >>>> > >>>> Wayne, > >>>> > >>>> I am going to disagree - I think its a real issue, and an area > for > >>>> K3 > >>>> improvement. While I have not been to Jim's shack to hear what > he > >>>> is > >>>> hearing, it sounds like what I have always observed, at least > for > >>>> SSB > >>>> reception. Engaging the NR significantly reduces the overall > >>>> audio level. > >>>> > >>>> When I engage the NR on my MkV or FT-847, the band noise drops > >>>> away, but > >>>> the > >>>> perceived volume of the monitored voice stays about the same. > It > >>>> is rare > >>>> that I need to touch the volume control. Yaesu NR is > reasonably > >>>> effective > >>>> for turning a marginal signal into something that can be > copied, and > >>>> turning > >>>> a strong signal with high band noise into something more > pleasant > >>>> to listen > >>>> to. > >>>> > >>>> On the K3, engaging the NR in SSB drops both the noise and the > >>>> apparent > >>>> voice level substantially, requiring that the volume control > be > >>>> turned up > >>>> [a > >>>> lot] to copy the voice. But then the noise is also > increased. > >>>> Frequently it feels like the NR has done little to no good, but > it > >>>> is hard > >>>> to tell. Perhaps the ratio between the band noise and the > desired > >>>> signal > >>>> is > >>>> improved, but overall I would say its not. Or not very much. > >>>> > >>>> The NR difference on SSB between the K3 and the Yaesu products > I > >>>> have used > >>>> is large, and the K3 loses. It is the _only_ K3 feature I > find > >>>> which is > >>>> sub-par, and only for SSB - NR for CW seems much more > effective. > >>>> > >>>> 73, > >>>> Dale > >>>> N9XD > >>>> > >>>> > >>>> On Oct 4, 2010, at 9:13 AM, Wayne Burdick wrote: > >>>> > >>>>> Jim, > >>>>> > >>>>> Some drop in apparent volume level is typical with NR. Part of > the > >>>>> drop is due to the removal of noise. Part of it may be a > >>>>> psychoacoustic effect (sorry, I'm not an expert on this). > >>>>> > >>>>> You might also try setting F5-1. Settings from F5-x to F8-x > use a > >>>>> different algorithm. > >>>>> > >>>>> 73, > >>>>> Wayne > >>>>> N6KR > >>>>> > >>>>> > >>>>> On Oct 4, 2010, at 9:04 AM, Jim Harris wrote: > >>>>> > >>>>>> > >>>>>> Hi, > >>>>>> > >>>>>> I've noticed recently that when I press NR the volume level > drops > >>>>>> what could be called a considerable amount. I normally use > NR > >>>>>> setting of F-1-1 or -2. More than that tends to almost mute > the > >>>>>> receiver. I find that the volume control needs to be > increased > >>>>>> about 70 degrees or so to give the same loudness as before > the NR > >>>>>> was pressed with the above settings. I have to manually > change > >>>>>> the > >>>>>> volume every time I engage or disengage the NR. I realize > that > >>>>>> most > >>>>>> likely there should be some decrease in loudness but this > seems to > >>>>>> be excessive. > >>>>>> > >>>>>> Does anyone have any meaningful experience or recommendations > they > >>>>>> can pass along. > >>>>>> > >>>>>> Thank you. > >>>>>> > >>>>>> > >>>>>> Take Pride in the USA! > >>>>>> > >>>>>> 73, Jim, W0EM > >>>>>> > >>>>>> > >>>>>> > >>>>>> > ______________________________________________________________ > >>>>>> 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 > >>>>> > >>>>> > ______________________________________________________________ > >>>>> 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 > >>>> > >>>> ______________________________________________________________ > >>>> 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 > >>>> > >>>> ______________________________________________________________ > >>>> 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 > >>>> > >>>> > >>>> > >>>> > >>>> ______________________________________________________________ > >>>> 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 > >>>> > >>> > >>> > >>> > >>> -- > >>> Gary > >>> VK4FD - Motorhome Mobile > >>> http://www.qsl.net/vk4fd/ > >>> K3 #679 > >>> For everything else there's Mastercard!!! > >>> ______________________________________________________________ > >>> 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 > >> ______________________________________________________________ > >> 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 > > > > ______________________________________________________________ > > 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 > > > ______________________________________________________________ > 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 > > ____________________________________________________________ 46" LED TV's for $98.76? Breaking News: Is this a Scam? You WON'T believe what we found! http://thirdpartyoffers.juno.com/TGL3141/4caa856e8e967296b8m03vuc ______________________________________________________________ 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
