I agree 100%.
Bob K6UJ On Oct 29, 2010, at 11:53 AM, Joe Subich, W4TV wrote: > >>> I'm sorry but I'm not going to sit idly by while some other ham >>> who'sin love with his 1980's FT-1000 dictates why I can't have a >>> Q setting on my rig. The Q is a necessary part of this feature in >>> my mind. > > If you want a low Q peaking filter, it's already present in the Dual PB > filter. Select it and use the Width control to set the Q you want. > > A low Q peaking filter is not what those who originally proposed the > feature and have advocated regularly for it are after. As has already > been said, de-Qing the filter currently in Field Test will render it > useless just like Yaesu did when they tried to eliminate the ringing > in the FT-1000D (and like the poor imitation "contour" filter in the > FT-2000/FT-5000/FT-9000). > > The K3 Dual PB filter performs better than the "contour" filter in > the FT-2000 that is gathering dust in my closet. The new APF is > light years ahead of that when used *for the intended purpose.* > > Thanks to Lyle and Wayne, K3 users will soon have two tools - each > designed for a different set of operating conditions. Please do not > dull the scalpel by trying to make it cut lumber. > > 73, > > ... Joe, W4TV > > On 10/29/2010 2:39 PM, The Smiths wrote: >> >> I'm sorry but I'm not going to sit idly by while some other ham who's in >> love with his 1980's FT-1000 dictates why I can't have a Q setting on my >> rig. The Q is a necessary part of this feature in my mind. This is NOT an >> FT-1000 this is a K3. Just because your old rig used to work well for you >> without a Q has nothing to do with my new rig. >> >> And if you must make comparisons, than you can use the FT-2000 and it's >> contour filter (APF) which does have it's variable Q and boost level... Both >> living in the menus... Sorry but times move on, and you should too. Only >> the IDEA of the APF was conceived from the FT-1000, not the entire design >> and implementation... Please don't limit the rest of us. >> >> >> >> >>> Date: Fri, 29 Oct 2010 13:29:12 -0400 >>> From: [email protected] >>> To: [email protected] >>> Subject: Re: [Elecraft] APF in 4.16/2.63 works well! >>> >>> >>>> I would like to be able to ***VARY THE Q*** with the width control and >>>> LEAVE IT ON with a mild Q, and sharpen it as required. >>> >>> The design goal was to duplicate the FT-1000D APF. The FT-1000D has >>> no variable Q function. What you are proposing is completely different >>> than the design parameters ... you want an Autek QF1 not the FT-1000D APF. >>> >>>>> When APF is in there is no moderate setting, it takes over the >>>>> passband and makes copy of a signal up band difficult. >>> >>> That's the goal of the FT-1000D APF ... single signal reception in >>> noise and QRM. If you want a context filter, the original Dual PB >>> filter with it's variable with and shift fill that role. >>> >>>>> ONLY when APF is on could we have the WIDTH tap toggle between APF >>>>> Q displaying APF Q=3 in lower display and between Roofing/DSP >>>>> bandwidth displaying BW 0.40??? You could do the same thing with >>>>> SHIFT to go back and forth between adjusting Roofing/DSP SHIFT >>>>> displaying FC *0.45 and APF *0.45. >>> >>> Width/shift taps are already "taken" if the user has not chosen PB >>> Shift=.01. There is no current requirement to select PB Shift=.01 >>> in order to use APF and I hope that *someday* Wayne will give us the >>> ability to use LO-CUT-HI with PB Shift=.01. >>> >>> 73, >>> >>> ... Joe, W4TV >>> >>> On 10/29/2010 12:58 PM, Guy Olinger K2AV wrote: >>>> APF has a very significant improvement on weak signals in the noise. >>>> I completely agree with prior posters. HOWEVER... >>>> >>>> I would like to be able to ***VARY THE Q*** with the width control and >>>> LEAVE IT ON with a mild Q, and sharpen it as required. If I can back >>>> it out to 2 dB with a width function I would probably leave that on >>>> all the time and grind in as needed. I already do that with Width in >>>> weak cases that are on frequency. ONLY when APF is on could we have >>>> the WIDTH tap toggle between APF Q displaying APF Q=3 in lower display >>>> and between Roofing/DSP bandwidth displaying BW 0.40??? You could do >>>> the same thing with SHIFT to go back and forth between adjusting >>>> Roofing/DSP SHIFT displaying FC *0.45 and APF *0.45. Using WIDTH to >>>> control Q is intuitive. >>>> >>>> When APF is in there is no moderate setting, it takes over the >>>> passband and makes copy of a signal up band difficult. It will >>>> require repeated use of DUAL PB to go in and out for weak signals and >>>> back out for normal use. Use of a HOLD function as a frequent change >>>> is a problem. In trying to get used to the HOLD on DUAL PB to go in >>>> and out of APF to hear in the rest of the channel, I repeatedly hit >>>> NTCH instead. HOLD's are only good for settings that persist for a >>>> while during operation. >>>> >>>> E.g. I don't need APF ONLY as a better substitute for 50 Hz. I need >>>> it to work ALSO as a milder center emphasis inside the 400 Hz roofer, >>>> and be able to twist a knob somewhere to move between mild and sharp. >>>> Even with what appears to be only a 2 dB peaking around 450, the MP >>>> was improved inside its excellent dual INRAD 400 selectivity. >>>> >>>> If this is not done, it will be very difficult to use it well in a >>>> contest. No easy-to-use variable Q is a deal-breaker for me. In the >>>> end for contests it will cost Q's and will have to tell people to >>>> leave it off, just like NR. Only turn it on for a really weak one if >>>> you can remember how, and then turn it right back off. Then when I >>>> get home chasing weak DX I'll turn it all back on again, and work some >>>> stuff I couldn't hear before. >>>> >>>> 73, Guy. >>>> >>>> On Fri, Oct 29, 2010 at 11:01 AM, drewko<[email protected]> wrote: >>>>> Yes, I realize that. I would like to compare what is heard using the >>>>> APF filter to what is displayed by BeaconSee with its sub-noise signal >>>>> recovery algorithms. >>>>> >>>>> 73, >>>>> Drew >>>>> AF2Z >>>>> >>>>> >>>>> On Fri, 29 Oct 2010 10:55:38 -0400, you wrote: >>>>> >>>>>> >>>>>> I think you may be confused about what APF is. It is NOT a waterfall or >>>>>> any >>>>>> kind of visual indicator. It IS an Audio Peaking Filter (APF) meant to >>>>>> enhance weak signal audio using the processor between your ears. It will >>>>>> not automatically show you where weak signals are in a spectrum, but if >>>>>> you >>>>>> know approximately where to look (either from a Packet spot or waterfall >>>>>> trace) it can help your ear/brain decode the CW audio buried in noise. >>>>>> >>>>>> 73, Bill >>>>> >>>>> ______________________________________________________________ >>>>> Elecraft mailing list >>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>>>> Help: http://mailman.qth.net/mmfaq.htm >>>>> Post: mailto:[email protected] >>>>> >>>>> 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:[email protected] >>>> >>>> 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:[email protected] >>> >>> 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:[email protected] > > 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:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
