[Elecraft] K3 NR triggering
I just had a CW QSO on a noisy 80m. Here's what I noticed with NR set for F1-3. BW set for 2.5 kHz. QRN very loud! I pushed NR. Band goes almost totally silent. Calling CQ with the bug was like being in TX mode but I was using QSK as always. Wow...Nice and quiet. Then someone answered my CQ. On his very first DIT, the noise level jumped up and stayed up throughout the entire QSO. It was quieter than no NR at all but why should it stay that way??? I've been playing with it and sure enough, I can turn NR off then back on and the noise vanishes. Tune across a CW signal and it triggers the noise to return. Steve N4LQ n...@carolina.rr.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
[Elecraft] FS: 20 ft telescopic pole
For sale: South Bend Kwik Stix Bream Pole. Telescopic fiberglass pole extends from 4ft to about 20 ft. Great for lightweight dipoles or home- brew verticals. Used a couple of times for vacation and Field Day. Bends a lot when weighted by antenna but will support it. Needs a good base to attach to, like a fence post. $28.00 shipped CONUS Phil N3ZP _ __ 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] RE Operating my K3
Larry, If you don't have any audio cables connected between your line in/out on the K3 and sound card plugs on your system, then you are getting your audio from the microphone on your laptop computer. Just speak into your laptop computer and you will see it in your software. The mic is picking up the audio from the K3's speaker. 73 Dave KD1NA __ 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
Re: [Elecraft] [K3] K3 NR
> I prefer the sound of the 3.25 version for ssb, its cleaner > and somewhat less bright (flatter in response). I had to > tweak the RX EQ to add some bass in the 3.27 version or it > sounds "harsh" in my headsets (I dont use speakers hardly > ever, btw). What is the impedance of your headphones? With anything less than 100 Ohms or so, the stock 10 uF headphone coupling caps cause a significant LF roll off - particularly with 8 Ohm cans. 73, ... Joe, W4TV > -Original Message- > From: elecraft-boun...@mailman.qth.net > [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Lu > Romero - W4LT > Sent: Wednesday, August 26, 2009 10:09 PM > To: elecraft@mailman.qth.net > Subject: Re: [Elecraft] [K3] K3 NR > > > > Lyle: > > Just played with the NR in both SSB and CW, on 80 and 40. > > First, I can hear the change of the filters now without > turning things on and off, as you mentioned it would work. > The frequency response is decidedly less "flat" (less bassy) > than the sound of 3.25. For CW, the 3 and 4 settings are > much more efficient, not so in SSB, where the 1 and 2 > settings are much cleaner sounding and better copy. I found > that with no antenna and with the RF gain turned to 12 > o'clock... Turn on the NR and all receiver white noise mutes > and slowly ramps up. That's a recursive effect, I guess. > > I prefer the sound of the 3.25 version for ssb, its cleaner > and somewhat less bright (flatter in response). I had to > tweak the RX EQ to add some bass in the 3.27 version or it > sounds "harsh" in my headsets (I dont use speakers hardly > ever, btw). Inteligibility is marginally better with 3.27 on > ssb and quite a bit better on CW, so you have drifted a bit > to the CW side of the equation, but with a decent compromise for SSB. > > No more boingy peakyness in any mode, which is good, and the > level while it still drops a bit, is better behaved. > > Can I assume from some comments I have read here that the NR > process is pre > EQ and AGC? How exactly do the processes "stack" in the > radio architecture? > > If NR is at the top of the stack, a decent "fix" might be to > somehow gang these three processes using presets so that they > can be set up ahead of time and recalled from a memory button > by the user. > > As an old brodcaster, we used to preset things in Switchers > (vision mixers to UK readers) using a process called E-MEM... > Which could recall preset parameters in "salvos" to preset > multiple settings. This might work here. > > This would be handy in a contest environment where a minimum > of tweaking and rapid adaptation to changing conditions is > needed... You could play outside of a contest and create the > settings then in the heat of battle, recall them with a > single button push from a "canned" setup. It wouldnt be > perfect for any environment, but it might mean the difference > between working a mult and not working a mult. And > multipliers, after all, are :) > > As you said, every receiving environment is different, but > some generalizations can be made and being able to recall the > multiple settings would be a definite plus feature of the radio. > > Thanks for letting us test these iterations. > > Lu Romero - W4LT > K3 # 3192 > > > Lyle Johnson wrote: > > > >> ...For now I'll treat the parameter as an opaque > >> series of magic numbers. > > > > The way the new beta NR works is: > > > > Fx-y > > > > x selects the length of the filter. > > > > F1 = 121 taps, F2 = 91 taps, F3 = 61 taps, F4 = 31 taps > > > > (The Beta 3.25 release used FIR filters of 61 taps.) > > > > y selects values of Beta (gain), decay, and delay (how long the NR > > algorithm waits to process a signal) > > > > (The Beta 3.5 release used the "x" parameter for these selections) > > > > 73, > > > > Lyle KK7P > > > > __ > > 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 > > > > > > -- > View this message in context: > http://n2.nabble.com/K3-NR-tp3515659p3520809.html > Sent from the [K3] 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 __ 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:
Re: [Elecraft] help: where is Spectrogram software?
Thanks to all who helped out with this. Much appreciated. ...robert Robert G. Strickland wrote: > In 2007 I bought the commercial version of Spectrogram [Ver 10] on line > for about $50 from an outfit called Visualization Software. I recently > reloaded everything in my computer and lost the user name and key for my > copy. Situation normal. I have now spent several days trying to chase > the outfit and the program on the internet with no success. The outfit > has gone under, changed names, or whatever; all my "help" emails are > returned with the other end knowing nothing about Spectrogram. I have > found the file on something called "torrent" but they require joining to > get the file, something I'm reluctant to do. I'd sure appreciate anyone > having any insight into the situation and/or how to contact > Spectrogram's "owner" etc sending along some info - on or off list. > Thanks in advance > > ...robert -- Robert G. Strickland, PhD, ABPH - KE2WY rc...@verizon.net Syracuse, New York, USA __ 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
Re: [Elecraft] [K3] K3 NR
Lyle: Just played with the NR in both SSB and CW, on 80 and 40. First, I can hear the change of the filters now without turning things on and off, as you mentioned it would work. The frequency response is decidedly less "flat" (less bassy) than the sound of 3.25. For CW, the 3 and 4 settings are much more efficient, not so in SSB, where the 1 and 2 settings are much cleaner sounding and better copy. I found that with no antenna and with the RF gain turned to 12 o'clock... Turn on the NR and all receiver white noise mutes and slowly ramps up. That's a recursive effect, I guess. I prefer the sound of the 3.25 version for ssb, its cleaner and somewhat less bright (flatter in response). I had to tweak the RX EQ to add some bass in the 3.27 version or it sounds "harsh" in my headsets (I dont use speakers hardly ever, btw). Inteligibility is marginally better with 3.27 on ssb and quite a bit better on CW, so you have drifted a bit to the CW side of the equation, but with a decent compromise for SSB. No more boingy peakyness in any mode, which is good, and the level while it still drops a bit, is better behaved. Can I assume from some comments I have read here that the NR process is pre EQ and AGC? How exactly do the processes "stack" in the radio architecture? If NR is at the top of the stack, a decent "fix" might be to somehow gang these three processes using presets so that they can be set up ahead of time and recalled from a memory button by the user. As an old brodcaster, we used to preset things in Switchers (vision mixers to UK readers) using a process called E-MEM... Which could recall preset parameters in "salvos" to preset multiple settings. This might work here. This would be handy in a contest environment where a minimum of tweaking and rapid adaptation to changing conditions is needed... You could play outside of a contest and create the settings then in the heat of battle, recall them with a single button push from a "canned" setup. It wouldnt be perfect for any environment, but it might mean the difference between working a mult and not working a mult. And multipliers, after all, are :) As you said, every receiving environment is different, but some generalizations can be made and being able to recall the multiple settings would be a definite plus feature of the radio. Thanks for letting us test these iterations. Lu Romero - W4LT K3 # 3192 Lyle Johnson wrote: > >> ...For now I'll treat the parameter as an opaque >> series of magic numbers. > > The way the new beta NR works is: > > Fx-y > > x selects the length of the filter. > > F1 = 121 taps, F2 = 91 taps, F3 = 61 taps, F4 = 31 taps > > (The Beta 3.25 release used FIR filters of 61 taps.) > > y selects values of Beta (gain), decay, and delay (how long the NR > algorithm waits to process a signal) > > (The Beta 3.5 release used the "x" parameter for these selections) > > 73, > > Lyle KK7P > > __ > 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 > > -- View this message in context: http://n2.nabble.com/K3-NR-tp3515659p3520809.html Sent from the [K3] 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
[Elecraft] PITCH ADJUSTMENT
W4ZC sez: "And according to his 20-part article, the spot level automatically varies in amplitude with the incoming signal (ref. Part 15, p. 4)." INDEED, it does just that...he multiplies the envelope by the software-generated sine wave sidetone, the result is a keyed sidetone signal in synronism with the incoming signal. The envelope filter is kinda slow, perhaps 0.1 second time constant: no key clicks on it! And Lyle sez: "More to think about? Just what I need :-)" I never got into emoticons but I don't envy your position, hi. For sure I'm sure more important things than this. You guys do a good job of saying "OK I hear ya", which is all most folks want to know. Peter was bossless and a little cavalier about "customer" input. You better talk nice to get him to listen with both ears! Once he decided to do something he went at it con mucho gusto. Visions of a British Bulldog comes to mind. Bluntly, that autotune scares the shit out of me! It works: once in a very great while I have to push it twice. But there's always a nagging question of whether it's REALLY dead nuts on frequency, hi. 20 Hz? 1 Hz? Zero beating the sidetone is crude manual labor, but one can obtain whatever accuracy one desires IF the sidetone and zero beat precisely correspond, which I assume is the case. I'm juggling several things on the countdown to visiting Harold Johnson and going to the Shelby hamfest with N2PK. So have not even plugged the 3.5mm patch cables into PC to do PSK31 or RTTY yet. For those modes, especially PSK31, I want to REALLY be zero beat. So when the time comes I'll wish my shack and workshop didn't have a door and 15 feet between them because I'm going to want to play with this aspect of the rig a bit before I try a QSO. 73 - Bill __ 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
Re: [Elecraft] K3 NR
Ah ok then. I do know that with 3.25 and the shift ctrl set to .1 you get some really nice LF response. On 8/26/09, Bill W4ZV wrote: > > > > Brett Howard wrote: >> >> As far as the shift you're mentioning are you talking about the fact >> that the FC star moves to the freq that you have pitch configured for? >> The filter is still centered in the IF land but it looks like a shift >> because the K3 tells you about its filters in AF terms. >> > > No. At low pitches, the MCU shifts the IF filter such that the lower side > is never lower than ~200 Hz. If you're using a 500 Hz XFIL and PITCH 300, > the XFIL passband is actually 200-700 Hz...not 300 +/-250 (i.e. not 50-550 > which would be centered). Even though you see FC*.30 for the DSP filter, > the IF filter is actually offset. > > 73, Bill > > -- > View this message in context: > http://n2.nabble.com/K3-NR-tp3515712p3520443.html > Sent from the [K3] 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 > __ 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
Re: [Elecraft] [K3] K3 NR
Brett Howard wrote: > > As far as the shift you're mentioning are you talking about the fact > that the FC star moves to the freq that you have pitch configured for? > The filter is still centered in the IF land but it looks like a shift > because the K3 tells you about its filters in AF terms. > No. At low pitches, the MCU shifts the IF filter such that the lower side is never lower than ~200 Hz. If you're using a 500 Hz XFIL and PITCH 300, the XFIL passband is actually 200-700 Hz...not 300 +/-250 (i.e. not 50-550 which would be centered). Even though you see FC*.30 for the DSP filter, the IF filter is actually offset. 73, Bill -- View this message in context: http://n2.nabble.com/K3-NR-tp3515712p3520443.html Sent from the [K3] 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
Re: [Elecraft] PITCH ADJUSTMENT
> In STAR Peter Rhodes evidentally modulated the sidetone with the > envelope of the incoming signals to get a self-adjusting tone to zero > beat. That is really slick... And according to his 20-part article, the spot level automatically varies in amplitude with the incoming signal (ref. Part 15, p. 4). http://www.tracey.org/wjt/temp/picastar-all.pdf Paul, W9AC __ 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
Re: [Elecraft] PITCH ADJUSTMENT
Understood I was thinking it would be cool to hear how copy changed if you adjusted pitch after you had zero beat found. BTH On 8/26/09, Lyle Johnson wrote: >> "Another thing that I've heard asked for a few times that I'd >> appreciate is the ability to hear the signal while adjusting pitch..." >> >> In STAR Peter Rhodes evidentally modulated the sidetone with the >> envelope of the incoming signals to get a self-adjusting tone to zero >> beat... > > More to think about? Just what I need :-) > > Meanwhile, we have auto-tune: > > 1) CWT -> ON > > 2) Tune until signal is showing some activity on the CWT bargraph > > 3) Tap SPOT > > Radio automatically slews to the signal and sets it for zero-beat with > your selected pitch. > > 73, > > Lyle KK7P > > __ > 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] help: where is Spectrogram software?
In 2007 I bought the commercial version of Spectrogram [Ver 10] on line for about $50 from an outfit called Visualization Software. I recently reloaded everything in my computer and lost the user name and key for my copy. Situation normal. I have now spent several days trying to chase the outfit and the program on the internet with no success. The outfit has gone under, changed names, or whatever; all my "help" emails are returned with the other end knowing nothing about Spectrogram. I have found the file on something called "torrent" but they require joining to get the file, something I'm reluctant to do. I'd sure appreciate anyone having any insight into the situation and/or how to contact Spectrogram's "owner" etc sending along some info - on or off list. Thanks in advance ...robert -- Robert G. Strickland, PhD, ABPH - KE2WY rc...@verizon.net Syracuse, New York, USA __ 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
Re: [Elecraft] PITCH ADJUSTMENT
> "Another thing that I've heard asked for a few times that I'd > appreciate is the ability to hear the signal while adjusting pitch..." > > In STAR Peter Rhodes evidentally modulated the sidetone with the > envelope of the incoming signals to get a self-adjusting tone to zero > beat... More to think about? Just what I need :-) Meanwhile, we have auto-tune: 1) CWT -> ON 2) Tune until signal is showing some activity on the CWT bargraph 3) Tap SPOT Radio automatically slews to the signal and sets it for zero-beat with your selected pitch. 73, Lyle KK7P __ 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
Re: [Elecraft] [K3] PITCH ADJUSTMENT
William Carver wrote: > > Bill, W4ZV, said > "Another thing that I've heard asked for a few times that I'd > appreciate is the ability to hear the signal while adjusting pitch > rather than a solid tone. I know that if the user had no signal tuned > that they be adjusting somewhat blind. However the band noise will > still have a different sound based on the pitch selected." > > In STAR Peter Rhodes evidentally modulated the sidetone with the > envelope of the incoming signals to get a self-adjusting tone to zero > beat. That is really slick. When I first fired up my K3 a few weeks ago > I thought it was doing that and I grinned. Maybe I changed a > flag/variable somewhere and turned it off, or maybe I was dreaming, but > that's a pretty neat function to have, Lyle. > Bill that quote was not actually from me but someone else. Yes the K3 will automatically tune itself to zero beat if you use the CWT function. Check the manual. 73, Bill -- View this message in context: http://n2.nabble.com/PITCH-ADJUSTMENT-tp3520031p3520392.html Sent from the [K3] 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
[Elecraft] PITCH ADJUSTMENT
Bill, W4ZV, said "Another thing that I've heard asked for a few times that I'd appreciate is the ability to hear the signal while adjusting pitch rather than a solid tone. I know that if the user had no signal tuned that they be adjusting somewhat blind. However the band noise will still have a different sound based on the pitch selected." In STAR Peter Rhodes evidentally modulated the sidetone with the envelope of the incoming signals to get a self-adjusting tone to zero beat. That is really slick. When I first fired up my K3 a few weeks ago I thought it was doing that and I grinned. Maybe I changed a flag/variable somewhere and turned it off, or maybe I was dreaming, but that's a pretty neat function to have, Lyle. Bill - W7AAZ __ 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
Re: [Elecraft] [K3] K3 NR
I agree alsoWayne and the boys hit it just right for me. Great job. Very noisy 40M today and the combination of the NB 3-3 and AFX pulled real understandable voices out of junk. I will play with the setting for awhile until I fine what is optimal for me but all in all it is just splitting hairs at this point. Dan AD4C2009 wrote: > > Ian,I am with you,it works outstanding now,I don't even lose the audio as > other said,it drops a liitle bid but still is confortable to my ears but > the noise is totally GONE ! About the low end roll-off on version 3.25 was > at 30 Hz,now with 3.27 is at 60Hz,who needs to hear that low? besides do > your speaker respond to 30Hz,besides does anyone on ESSB respond that low? > so 60 Hz is ok with me.73 to all > > AD4C > > > > > - Dan AB3EN -- View this message in context: http://n2.nabble.com/K3-NR-tp3515712p3520029.html Sent from the [K3] 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
Re: [Elecraft] [K3] K3 NR
> low based on my experience with the 930. I still have my 930 and may have > to drag it out to see what 50 Hz sounds like, but that sounds awfully low > based on my previous experience. Not too many rigs have the audio capabilities to produce a reasonably flat response to 100 Hz and below. So, while the TS-930 may have had the ability to shift that low, it would be interesting to see if the audio path could produce the low offset. I have re-designed the audio path of the TS-850 (mods available on the KA0KA website) and TS-950 receivers, both of which required substantial invasive work to bring down below 100 Hz. Paul, W9AC __ 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
Re: [Elecraft] K3 NR
Another thing that I've heard asked for a few times that I'd appreciate is the ability to hear the signal while adjusting pitch rather than a solid tone. I know that if the user had no signal tuned that they be adjusting somewhat blind. However the band noise will still have a different sound based on the pitch selected. As far as the shift you're mentioning are you talking about the fact that the FC star moves to the freq that you have pitch configured for? The filter is still centered in the IF land but it looks like a shift because the K3 tells you about its filters in AF terms. BTH On 8/26/09, Bill W4ZV wrote: > > > > P.B. Christensen wrote: >> Until I purchased >> the '7800 back in 2005, the only other radio I've owned that would produce >> >> ultra-low-pitch CW was the TS-870 but I never bothered trying low pitch CW >> >> reception until I tried it with the Icom. >> > > The TS-930S had an infinitely variable PITCH control which went down to zero > (and maybe even beyond to negative IF since it was analog). It > simultaneously adjusted sidetone, filter center and TX offset so you were > always zero beat if you matched the sidetone to the signal. It was easy to > tune in a weak signal and then adjust PITCH for the optimum S/N for your > ears. This is how I discovered my ears liked the 240-270 Hz range. Orion > also allows setting PITCH as low as 200 Hz but I never used settings that > low based on my experience with the 930. I still have my 930 and may have > to drag it out to see what 50 Hz sounds like, but that sounds awfully low > based on my previous experience. > > I still don't understand why the K3 limits us to 300 Hz PITCH when Orion > (which has a very similar block diagram) goes to 200 Hz. Ten-Tec changed > their original lower limit of 300 Hz to 200 Hz within a month of my request > to lower it...and they also keep their crystal filters centered instead of > shifting them at lower PITCH settings (as the K3 does), so the radios > apparently have some differences that are not obvious to me. > > 73, Bill > > -- > View this message in context: > http://n2.nabble.com/K3-NR-tp3515712p3519877.html > Sent from the [K3] 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 > __ 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
Re: [Elecraft] [K3] K3 NR
P.B. Christensen wrote: > Until I purchased > the '7800 back in 2005, the only other radio I've owned that would produce > ultra-low-pitch CW was the TS-870 but I never bothered trying low pitch CW > reception until I tried it with the Icom. > The TS-930S had an infinitely variable PITCH control which went down to zero (and maybe even beyond to negative IF since it was analog). It simultaneously adjusted sidetone, filter center and TX offset so you were always zero beat if you matched the sidetone to the signal. It was easy to tune in a weak signal and then adjust PITCH for the optimum S/N for your ears. This is how I discovered my ears liked the 240-270 Hz range. Orion also allows setting PITCH as low as 200 Hz but I never used settings that low based on my experience with the 930. I still have my 930 and may have to drag it out to see what 50 Hz sounds like, but that sounds awfully low based on my previous experience. I still don't understand why the K3 limits us to 300 Hz PITCH when Orion (which has a very similar block diagram) goes to 200 Hz. Ten-Tec changed their original lower limit of 300 Hz to 200 Hz within a month of my request to lower it...and they also keep their crystal filters centered instead of shifting them at lower PITCH settings (as the K3 does), so the radios apparently have some differences that are not obvious to me. 73, Bill -- View this message in context: http://n2.nabble.com/K3-NR-tp3515712p3519877.html Sent from the [K3] 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
Re: [Elecraft] K3 NR
> Since 300 Hz is as low as the K3 PITCH goes, don't you also have a 250 Hz > offset when listening at 50 Hz? No, and here's why: I leave the menu pitch setting at 600 Hz on all rigs here; it never changes. It's the RIT (non-split) or VFO A (split) that I adjust incoming CW to < 100 Hz while copying weak DX. I've been using this method on the Icom '7700 and '7800 since their purchase. Until I purchased the '7800 back in 2005, the only other radio I've owned that would produce ultra-low-pitch CW was the TS-870 but I never bothered trying low pitch CW reception until I tried it with the Icom. So, the fact that the K3 was able to copy the 4S7 station last night using a very low pitch (with F/W 3.25) was pretty exciting for me. Paul, W9AC __ 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
Re: [Elecraft] K3 NR
> ...For now I'll treat the parameter as an opaque > series of magic numbers. The way the new beta NR works is: Fx-y x selects the length of the filter. F1 = 121 taps, F2 = 91 taps, F3 = 61 taps, F4 = 31 taps (The Beta 3.25 release used FIR filters of 61 taps.) y selects values of Beta (gain), decay, and delay (how long the NR algorithm waits to process a signal) (The Beta 3.5 release used the "x" parameter for these selections) 73, Lyle KK7P __ 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
Re: [Elecraft] K3 NR
Sure, I know what to do in practice, and I'm not looking for a "one size fits all" solution. However, it's nice to know if the behavior is no longer in accordance with the documentation, this was not mentioned in the change notes. For now I'll treat the parameter as an opaque series of magic numbers. Thanks, Bob NW8L >> >> Has the scheme changed? > > Yes. The mixing action of unprocessed and processed audio was resulting in > the scalloping effect I mentioned. > > The best thing to do is to just listen as you adjust the slowly adjust the > NR parameters. The type of signal, type of noise, strength, AGC settings > and so on are likely to have some effect. This is why there isn't just a > "one size fits all" recommended setting. > > 73, > > Lyle KK7P > > __ 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
Re: [Elecraft] K3 NR
> Is it still the case that the interpretation of the NR parameters is > as described in the K3 manual (D4)? Not with the latest beta release. > The manual states: > > "The second > part (-y) controls how much of the signal is routed > through noise reduction, from 1 (50%) to 4 (100%)" > > If so I'm confused by the identities: > >> The 3.27 NR F3-1 is *identical* to 3.25 NR F1-4. >> The 3.27 NR F3-2 is *identical* to 3.25 NR F2-4. >> The 3.27 NR F3-3 is *identical* to 3.25 NR F3-4. >> The 3.27 NR F3-4 is *identical* to 3.25 NR F4-4. > > where F-1, -2 etc. are asserted to be identical to Fx-4. > > Has the scheme changed? Yes. The mixing action of unprocessed and processed audio was resulting in the scalloping effect I mentioned. The best thing to do is to just listen as you adjust the slowly adjust the NR parameters. The type of signal, type of noise, strength, AGC settings and so on are likely to have some effect. This is why there isn't just a "one size fits all" recommended setting. 73, Lyle KK7P __ 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
Re: [Elecraft] K3 Future Factory Hardware Updates; + New beta f/w release 3.27
Eric, The low freq response is still there in 3.27 / 2.24. The way I check this is the response of the RX EQ. There's a good response if I change the EQ setting on 100Hz and 200Hz. Love it. 73 Arie PA3A --- It will reappear in a future release. Just not as a bug in another feature ;-) 73, Eric > I figured I'd mention it as we now know its possible and I'm hoping to > get this extended frequency response to continue on "and hopefully > come back"... > __ 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
Re: [Elecraft] K3 NR
Is it still the case that the interpretation of the NR parameters is as described in the K3 manual (D4)? The manual states: "The second part (-y) controls how much of the signal is routed through noise reduction, from 1 (50%) to 4 (100%)" If so I'm confused by the identities: > The 3.27 NR F3-1 is *identical* to 3.25 NR F1-4. > The 3.27 NR F3-2 is *identical* to 3.25 NR F2-4. > The 3.27 NR F3-3 is *identical* to 3.25 NR F3-4. > The 3.27 NR F3-4 is *identical* to 3.25 NR F4-4. where F-1, -2 etc. are asserted to be identical to Fx-4. Has the scheme changed? Bob NW8L On Tue, Aug 25, 2009 at 9:40 PM, Lyle Johnson wrote: >> Well the SSB folks lose out yet again on the latest FW revision. >> Just when the next to useless NR was made to work we have yet >> another version that favours one mode over others. > > The 3.27 NR F3-1 is *identical* to 3.25 NR F1-4. > The 3.27 NR F3-2 is *identical* to 3.25 NR F2-4. > The 3.27 NR F3-3 is *identical* to 3.25 NR F3-4. > The 3.27 NR F3-4 is *identical* to 3.25 NR F4-4. > > The 3.27 NR F1- is "lighter" than the 3.25 NR. > The 3.27 NR F2- is a little lighter than the 3.25 NR. > The 3.27 NR F4- is "heavier" than the 3.25 NR. > > I am an SSB op, not a CW op, and the NR now works much better for me. > > There were some changes we had to make from 3.25 (and previous releases > as well) in the Fx-1, -2 and -3 settings which resulted in "scolloping" > of the passband. Some CW ops at certain pitches thought it gave their > signals a boost, others at other pitches really bemoaned the > attenuation. While less noticeable on SSB, it was there nonetheless. > > 73, > > Lyle KK7P > > (aka Not Sleeping Mt Vernon) > > __ > 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
Re: [Elecraft] K3 NR
Did that, Brett - should have mentioned it in my last post. The tunnel effect that I'm hearing is actually less objectionable with the AFX on. Paul WW2PT Brett Howard wrote: > > Make sure and try it with AFX on and off. > > -- View this message in context: http://n2.nabble.com/K3-NR-tp3515659p3518899.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
Re: [Elecraft] K3 NR
Elecraft says they are planning on bringing that low end audio back as a feature rather than as a bug. I'm very glad it was there as a bug and hope that this response of people liking it helps to improve its position on the priority queue. BTH. On 8/26/09, Laurent F6DEX wrote: > > I come back to 3.25 also ; was much better with 3.25. Here audio is much > lower with 3.27. > > 73, Laurent F6DEX > -- > View this message in context: > http://n2.nabble.com/K3-NR-tp3514982p3518767.html > Sent from the [K3] 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 > __ 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
Re: [Elecraft] K3 NR
P.B. Christensen wrote: > > With the 2.8K filter and using F/W 3.25, by far the best copy was obtained > with a very low pitch setting. The ultra-low pitch is lost with the > narrower roofing filters (as expected). If he was working split only 1-2 > kHz up, then the story may have been different. Until 3.25, this was not > possible in CW mode using any filter, although possible when transmitting > CW > in SSB mode -- but that presents other operating issues (e.g., frequency > display error by the offset amount). > Since 300 Hz is as low as the K3 PITCH goes, don't you also have a 250 Hz offset when listening at 50 Hz? Wow...I thought I liked a low PITCH but this is the first I've heard of anyone using 50 Hz! 240 Hz is as low as I ever used with my old TS-930S for weak signals...coincidentally when working 4S7 via long path on 160m from Colorado (truly a weak signal). I have a recording of that on cassette tape and later verified the PITCH setting was ~240 Hz: http://users.vnet.net/btippett/jj1vkl_4s7.htm More recently I used a 270 Hz PITCH to win N2XE's 80m beacon reception test at 27 uW output: http://www.n2xe.com/Beacon.html (270 Hz PITCH mentioned near bottom of page) 73, Bill -- View this message in context: http://n2.nabble.com/K3-NR-tp3515712p3518890.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
Re: [Elecraft] [K3] K3 NR
I come back to 3.25 also ; was much better with 3.25. Here audio is much lower with 3.27. 73, Laurent F6DEX -- View this message in context: http://n2.nabble.com/K3-NR-tp3514982p3518767.html Sent from the [K3] 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
[Elecraft] FOR SALE:ELECRAFT K3/10
Hello All: Health and a move for heath reasons forces me to sell my beloved Elecraft k3/10. If you are interested please contact me at (909)-576-3795 or alaskaman1...@gmail>COM Thank You N6UZD Bob -- Robert L. Harrington __ 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
Re: [Elecraft] [K3] VFO tuning noise reduction mod results?
Hi Joe, The mod in my case removed an S2-S3 tuning hash from 60m completely. I can't hear anything while spinning the VFO now, even with no antenna connected. 73 de James K2QI On Wed, Aug 26, 2009 at 12:57 PM, Joe Planisky wrote: > I have the VFO encoder noise on the low end of 10M. Yesterday, I > applied the VFO tuning noise reduction mod and switched to SPI 2 in > CONFIG:VCO MD. That seems to have reduced the tuning noise a little, > but not as much as I'd expected (or hoped). The noise was a solid S3 > before the mod, but now shows up as bobbling between S2 and S3, so > call it a 1/2 S-unit improvement. > > I've triple checked the component locations and they're definitely > soldered to the correct vias as shown in the instructions (Rev C). > The diodes are oriented in the proper direction as shown. I've > checked the values of the resistors and forward/reverse direction on > the diodes and all is as it should be. > > To others that have the noise and have applied the mod, is this in > line with your results? > > 73 > -- > Joe KB8AP > > > > __ > 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 > -- 73 de James K2QI __ 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
Re: [Elecraft] K3 NR
Make sure and try it with AFX on and off. On 8/26/09, Paul - WW2PT wrote: > > I found the NR in v3.25 to be excellent to my ears and a big improvement to > previous versions, but I'm having a lot of trouble finding a NR setting with > v3.27 that I'm comfortable with -- everything sounds like it's coming > through a tunnel, even the x-1 settings. I generally prefer minimal DPS > noise reduction for SSB and have rarely used the x-4 settings. I generally > stuck to 4-1 or 4-2 in previous versions and rode the RF Gain to further > reduce background noise when needed. Just can't find a happy setting with > v3.27. It might sound OK on one signal but awful on another, resulting in > far more dial tweaking than I usually like to do. > > RX EQ is flat as has been suggested, just doesn't help much. The tunnel > effect is a bit less bothersome when using headphones, but I generally > prefer using a pair of powered desktop speakers with AFX (Bin) turned on. > Haven't tried NR in CW mode yet, my comments apply only to SSB. > > I've reverted to 3.25 and then back to 3.27 just to make sure I'm hearing > what I think I'm hearing. I think I can live with the new NR settings, but > sure would like to have them *in addition to* the 3.25 filters which were > damn near perfect for my ears. Maybe some additional less aggressive NR > settings (5-1 through 5-4, 6-1 through 6-4, etc.) will make everyone happy? > > Just more free advice... ;-) > > 73, > Paul WW2PT > > > > Lyle Johnson wrote: >> >> >> The 3.27 NR F3-1 is *identical* to 3.25 NR F1-4. >> The 3.27 NR F3-2 is *identical* to 3.25 NR F2-4. >> The 3.27 NR F3-3 is *identical* to 3.25 NR F3-4. >> The 3.27 NR F3-4 is *identical* to 3.25 NR F4-4. >> >> The 3.27 NR F1- is "lighter" than the 3.25 NR. >> The 3.27 NR F2- is a little lighter than the 3.25 NR. >> The 3.27 NR F4- is "heavier" than the 3.25 NR. >> >> I am an SSB op, not a CW op, and the NR now works much better for me. >> >> > > -- > View this message in context: > http://n2.nabble.com/K3-NR-tp3515659p3518140.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 > __ 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
Re: [Elecraft] [K3] VFO tuning noise reduction mod results?
The h/w mod does not really impact the noise at all. It is required though and is there to maintain reliable signaling between the main processor and the synthesizers when the CPU to Synct serial bus speed is increased with SPI=2. Its the change to SPI=2 that reduces the noise. this can also be impacted by how you built the K3. The tightness of screws and proper grounding of the PC boards can impact this, as can the location of the synth to mixer coax cables. Seethe manual for proper location. 73, Eric WA6HHQ Joe Planisky wrote: > I have the VFO encoder noise on the low end of 10M. Yesterday, I > applied the VFO tuning noise reduction mod and switched to SPI 2 in > CONFIG:VCO MD. That seems to have reduced the tuning noise a little, > but not as much as I'd expected (or hoped). The noise was a solid S3 > before the mod, but now shows up as bobbling between S2 and S3, so > call it a 1/2 S-unit improvement. > > I've triple checked the component locations and they're definitely > soldered to the correct vias as shown in the instructions (Rev C). > The diodes are oriented in the proper direction as shown. I've > checked the values of the resistors and forward/reverse direction on > the diodes and all is as it should be. > > To others that have the noise and have applied the mod, is this in > line with your results? > > 73 > -- > Joe KB8AP > __ 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
Re: [Elecraft] a new K3 NR design
At least have the memories retain *all* parameters including state of NR, NB, mode and DSP filter settings. I have recently begun to dabble in digital modes and have set M3 for PSK and M4 for RTTY on each band. Unfortunately, the DSP BW isn't retained. Wes N7WS --- On Wed, 8/26/09, Brett Howard wrote: From: Brett Howard Subject: Re: [Elecraft] a new K3 NR design To: "Hector Padron" , elecraft@mailman.qth.net Date: Wednesday, August 26, 2009, 10:57 AM Heck if what you want is per mode NR then allow the rig to use its current state to select an NR set. If the rig is in SSB you get one NR and if you're in CW then you get the other. That way there is no need for a selection other than the mode that everyone is already used to selecting. On 8/26/09, Hector Padron wrote: > How about to make this mod to the K3: > You push NR to set it up but once you are there,pressing the key A/B you > will have the choice of selecting NR 1 for SSB or NR 2 for CW,then once you > have chosen your settings,press NR to save it,then do same thing for the > other NR. > I think the great team we have at Elecraft will be able to do it,wait and > see guys.73 > > AD4C > K3/K2 > > "The difference between genius and stupidity is that genius has its > limits".. -- Albert Einstein > > > > __ > 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
Re: [Elecraft] K3 NR
I found the NR in v3.25 to be excellent to my ears and a big improvement to previous versions, but I'm having a lot of trouble finding a NR setting with v3.27 that I'm comfortable with -- everything sounds like it's coming through a tunnel, even the x-1 settings. I generally prefer minimal DPS noise reduction for SSB and have rarely used the x-4 settings. I generally stuck to 4-1 or 4-2 in previous versions and rode the RF Gain to further reduce background noise when needed. Just can't find a happy setting with v3.27. It might sound OK on one signal but awful on another, resulting in far more dial tweaking than I usually like to do. RX EQ is flat as has been suggested, just doesn't help much. The tunnel effect is a bit less bothersome when using headphones, but I generally prefer using a pair of powered desktop speakers with AFX (Bin) turned on. Haven't tried NR in CW mode yet, my comments apply only to SSB. I've reverted to 3.25 and then back to 3.27 just to make sure I'm hearing what I think I'm hearing. I think I can live with the new NR settings, but sure would like to have them *in addition to* the 3.25 filters which were damn near perfect for my ears. Maybe some additional less aggressive NR settings (5-1 through 5-4, 6-1 through 6-4, etc.) will make everyone happy? Just more free advice... ;-) 73, Paul WW2PT Lyle Johnson wrote: > > > The 3.27 NR F3-1 is *identical* to 3.25 NR F1-4. > The 3.27 NR F3-2 is *identical* to 3.25 NR F2-4. > The 3.27 NR F3-3 is *identical* to 3.25 NR F3-4. > The 3.27 NR F3-4 is *identical* to 3.25 NR F4-4. > > The 3.27 NR F1- is "lighter" than the 3.25 NR. > The 3.27 NR F2- is a little lighter than the 3.25 NR. > The 3.27 NR F4- is "heavier" than the 3.25 NR. > > I am an SSB op, not a CW op, and the NR now works much better for me. > > -- View this message in context: http://n2.nabble.com/K3-NR-tp3515659p3518140.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
[Elecraft] K3 NR adjustment
I'll also send this directly to Elecraft. What I'd like to have is the ability to adjust through the various NR settings without having to hold in the NR button then scroll through the settings. Would it be possible to have a menu selectable choice so that if RIT/ XIT is not being used (either for RIT/ XIT or for the 2nd receiver) we could assign that control to scroll through the various NR settings? To me that would make using NR easier. By making it a menu selectable item you could still choose to use that control for quick qsying. Thanks RonN4XD __ 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
Re: [Elecraft] a new K3 NR design
Heck if what you want is per mode NR then allow the rig to use its current state to select an NR set. If the rig is in SSB you get one NR and if you're in CW then you get the other. That way there is no need for a selection other than the mode that everyone is already used to selecting. On 8/26/09, Hector Padron wrote: > How about to make this mod to the K3: > You push NR to set it up but once you are there,pressing the key A/B you > will have the choice of selecting NR 1 for SSB or NR 2 for CW,then once you > have chosen your settings,press NR to save it,then do same thing for the > other NR. > I think the great team we have at Elecraft will be able to do it,wait and > see guys.73 > > AD4C > K3/K2 > > "The difference between genius and stupidity is that genius has its > limits".. -- Albert Einstein > > > > __ > 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] [K3] VFO tuning noise reduction mod results?
I have the VFO encoder noise on the low end of 10M. Yesterday, I applied the VFO tuning noise reduction mod and switched to SPI 2 in CONFIG:VCO MD. That seems to have reduced the tuning noise a little, but not as much as I'd expected (or hoped). The noise was a solid S3 before the mod, but now shows up as bobbling between S2 and S3, so call it a 1/2 S-unit improvement. I've triple checked the component locations and they're definitely soldered to the correct vias as shown in the instructions (Rev C). The diodes are oriented in the proper direction as shown. I've checked the values of the resistors and forward/reverse direction on the diodes and all is as it should be. To others that have the noise and have applied the mod, is this in line with your results? 73 -- Joe KB8AP __ 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
Re: [Elecraft] [K3] K3 Future Factory Hardware Updates; + New beta f/w release 3.27
Its no longer preliminary.:-) We'll update the doc this week. 73, Eric Julius Fazekas n2wn wrote: > > K3 AUTOMATIC FRONT END PROTECTION (1 wire mod) is marked "Preliminary", > which is scary to act on in my work environment. What might change, or is it > really good to go? > > Thanks, > Julius > > __ 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
Re: [Elecraft] K3 NR
I like to have the lower response when doing cw. Yes my ears work that low and yes the outboard amplifier and speakers I'm using can respond that low. ~Brett On 8/26/09, Hector Padron wrote: > Ian,I am with you,it works outstanding now,I don't even lose the audio as > other said,it drops a liitle bid but still is confortable to my ears but the > noise is totally GONE ! About the low end roll-off on version 3.25 was at 30 > Hz,now with 3.27 is at 60Hz,who needs to hear that low? besides do your > speaker respond to 30Hz,besides does anyone on ESSB respond that low? so 60 > Hz is ok with me.73 to all > > AD4C > > > > "The difference between genius and stupidity is that genius has its > limits".. -- Albert Einstein > > --- On Wed, 8/26/09, Ian Maude wrote: > > > From: Ian Maude > Subject: Re: [Elecraft] K3 NR > To: elecraft@mailman.qth.net > Date: Wednesday, August 26, 2009, 8:05 AM > > > Sorry guys but I have to disagree. Finally the noise reduction is > usable for SSB :) Absolutely brilliant! Thanks guys. > I wonder if those who are having problems are running any RX EQ? I > run none at all and find I don't need to. > > 73 Ian > > On 26 Aug 2009, at 26August04:54, Don Rasmussen wrote: > >> This is where I jump off the firmware updates train. I have version >> 3.10 doing everything the way I like it, and can rotate in 120 watts >> of power when I need to. I am smart enough not to overheat. >> >> I always thought I would stay current with the FW, but too many >> things have gone sideways with respect to my tastes - it would take >> something truly major to have me upgrade FW in K3 again. >> >> Others may feel the progression is going in their direction - that's >> a problem with a product that comes so close to doing everything >> perfectly for everyone. >> >> >> [Elecraft] K3 NR >> >> rfenabled at gmail.com rfenabled at gmail.com >> Tue Aug 25 22:58:37 EDT 2009 >> Previous message: [Elecraft] FS: W5JH Black Widow Paddle >> Next message: [Elecraft] K3 NR >> Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] >> Well the SSB folks lose out yet again on the latest FW revision. >> Just when the next to useless NR was made to work we have yet >> another version that favours one mode over others. >> >> Rather disappointing result but that appears to be the way of the k3 >> world at times. >> >> Great radio for some but so great for others perhaps..:-( >> >> Don't know could be a replacement but the search has started. >> >> Gary >> VK4WT >> Sent via BlackBerry® from Telstra >> __ >> 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 > > -- > Ian J Maude, G0VGS > SysOp GB7MBC & HB9DRV-9 DX Clusters > Member RSGB, GQRP 9838, FISTS 14077 | K3 #455 > http://www.amateurradiotraining.org > > __ > 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
Re: [Elecraft] K3 NR
Hi Gary, Please remember that this is a -beta test- release and not a formal final K3 f/w release. The purpose of any beta test release is to test new features and gather constructive feedback. It is not something you should be using to form a final judgment or complain loudly about, sine we certainly will react to feedback on it and respond with follow on releases. That's the whole point of releasing a beta test release before making it final. It gives us real feedback from a much broader swath of users than we ever could get in the lab. Also, have no fear, we are working to provide the best NR out there for BOTH SSB and CW ops. That's why we are experimenting with it in these beta test releases. Stay tuned! And thanks to everyone for the constructive feedback. We really appreciate it. 73, Eric rfenab...@gmail.com wrote: > Well the SSB folks lose out yet again on the latest FW revision. Just when > the next to useless NR was made to work we have yet another version that > favours one mode over others. > > Rather disappointing result but that appears to be the way of the k3 world at > times. > > Great radio for some but so great for others perhaps..:-( > > Don't know could be a replacement but the search has started. > > Gary > VK4WT > __ 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
Re: [Elecraft] K3 NR and RX EQ
Hello Lexa, Seems like a legitimate question. Prior to 3.25, NR settings and its ability to reduce noise were greatly affected by EQ settings. For example, boosting midrange frequencies to enhance voice audio caused the NR algorithm to produce very hollow sounding voices; as if listening to someone yell through a long drain pipe. It could also cause clipping or distortion if EQ settings were "over-boosted" in certain ranges. Also, it wasn't just the EQ that affected NR quality, but also the AGC settings. I haven't had much time to play with 3.27 (just installed last night), but so far, all of my testing has been done with AGC being left at one setting, and EQ flat. This way, I can determine how effective the noise reduction really is with the same set of operating variables. It's sort of a moot point now that I think about it, to ask how people feel the NR has improved or degraded if everyone has different EQ and AGC settings; it will be difficult or impossible to get a consistent answer throughout the test group. 73 de James K2QI On Wed, Aug 26, 2009 at 9:26 AM, Alexandr Kobranov wrote: > Can everybody reporting about NR excellent/non-excellent functionality > add some info about his/her RX EQ settings and BW used? I suppose > there are big confusions in reports based on different settings. > Maybe - later, later, not now :-) - can be some RX EQ forced in NR > mode to avoid problems etc... > The same with NR setting per-mode etc. > But for now, please let us know your RX EQ settings and BW used while > reporting NR experience. > > Or am I wrong with such request? > > 73! > Lexa, ok1dst > K3/10 #727 > > __ > 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 > -- 73 de James K2QI __ 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] Noise Reduction
It would appear to me that everyone on the list has a different set of hearing parameters. Some of us like lower sounds and some like the higher depending on what our hearing range is. Even though i am primarily a CW op chasing the long haul stuff, i do occasionally listen to SSB chatter and adjust my radio to manage the signals to which i can understand to the best of my hearing ability. It would appear that this would be the method of procedures that everyone would follow. Larry W0OGH __ 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] [K1] K1 Reqd.
I am thinking of getting a K1 to compete with my K2 and K3. I could build a kit, first though does anyone have one they wish to sell? -- View this message in context: http://n2.nabble.com/K1-Reqd-tp3515153p3515153.html Sent from the [K1] 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
Re: [Elecraft] K3 NR
> That's really interesting Paul. Were you also using very narrow passband > and other rx eq filtering? Was he sending QRS? I started with a wide passband, then shifted to a narrow passband with Dual PB enabled. That has worked well for me in the past. I then went back to the 2.8K filter since the 4S7 was not working split and nearby interference was minimum, owing to long propagation. Most U.S. stations were quite weak at the time. With the 2.8K filter and using F/W 3.25, by far the best copy was obtained with a very low pitch setting. The ultra-low pitch is lost with the narrower roofing filters (as expected). If he was working split only 1-2 kHz up, then the story may have been different. Until 3.25, this was not possible in CW mode using any filter, although possible when transmitting CW in SSB mode -- but that presents other operating issues (e.g., frequency display error by the offset amount). No doubt the Elecraft guys will take care of it soon. Paul, W9AC __ 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
Re: [Elecraft] K3 NR
That's really interesting Paul. Were you also using very narrow passband and other rx eq filtering? Was he sending QRS? David G3UNA > The low frequency issue reported here is primarily related to CW, not SSB. > As an example of its importance, I worked a 4S7 station last night on 40m. > As his gray-line was shifting away, his already weak signal was fading even > further. Using F/W 3.25, I was able to copy him with an extremely low pitch > of about 50 Hz. The use of extremely low pitch for marginal CW copy is > pretty well known among top DXers. There's absolutely no way I would have > worked he 4S7 using F/W 3.27. > > Paul, W9AC > __ 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
Re: [Elecraft] [K3] K3 Future Factory Hardware Updates; + New beta f/w release 3.27
Actually, the only one I can't find is: K3 IF OUTPUT BUFFER GAIN MOD (For the P3, LP-PAN etc) (1 resistor value change) K3 AUTOMATIC FRONT END PROTECTION (1 wire mod) is marked "Preliminary", which is scary to act on in my work environment. What might change, or is it really good to go? Thanks, Julius Julius Fazekas n2wn wrote: > > Eric, > > Would you provide links to the documents for the noted modifications: > > K3 VFO TUNING NOISE REDUCTION (requires f/w 3.25 or later) > K3 AUTOMATIC FRONT END PROTECTION (1 wire mod) > K3 IF OUTPUT BUFFER GAIN MOD (For the P3, LP-PAN etc) (1 resistor value > change) > > Thanks, > Julius > n2wn > > Apologies if I missed a previous post. > - Julius Fazekas N2WN Tennessee Contest Group http://www.k4ro.net/tcg/index.html Tennessee QSO Party http://www.tnqp.org/ Elecraft K2/100 #4455 Elecraft K3/100 #366 Elecraft K3#1875 -- View this message in context: http://n2.nabble.com/Re-K3-Future-Factory-Hardware-Updates-New-beta-f-w-release-3-27-tp3512399p3515034.html Sent from the [K3] 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
[Elecraft] a new K3 NR design
How about to make this mod to the K3: You push NR to set it up but once you are there,pressing the key A/B you will have the choice of selecting NR 1 for SSB or NR 2 for CW,then once you have chosen your settings,press NR to save it,then do same thing for the other NR. I think the great team we have at Elecraft will be able to do it,wait and see guys.73 AD4C K3/K2 "The difference between genius and stupidity is that genius has its limits".. -- Albert Einstein __ 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
Re: [Elecraft] K3 Future Factory Hardware Updates; + New beta f/w release 3.27
SPICE modeling showed that the higher current was necessary to maintain the same maximum signal handling, but I don't remember doing IMD before/after measurements to verify that. Obviously, Elecraft feel that the device can handle the extra signal without increasing current. Larry N8LP Don Wilhelm-4 wrote: > > Joe, > > Are you making an assumption that the P3 input impedance is 50 ohms? > That may or may not be true. I don't know the design parameters of the > P3, but it certainly occurs to me that it is not necessary to use a 50 > ohm input impedance. > > Yes, SDR-IQ and LP-PAN have the 50 ohm input, so connecting those > devices to the K3 IF Out would cause loss. > > 73, > Don W3FPR > > Joe Subich, W4TV wrote: >> >>> A 50-ohm match is not required in any case. >>> >> >> That’s not exactly true. With devices like LP-Pan or >> SDR-IQ that have 50 Ohm inputs connected to what is a >> high impedance output, the transfer loss (antenna to >> IF) was still in the range of -6dB even with the N8LP >> modification. The rest of the solution was to use a >> Clifton Labs Z-1 buffer amplifier (high impedance >> input) in a unity gain configuration, install a 4:1 or >> 9:1 (step down) transformer, or modify the SDR-IQ for >> a 200 Ohm input. >> >> 73, >> >>... Joe, W4TV >> >> > __ > 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 > > -- View this message in context: http://n2.nabble.com/Re-K3-Future-Factory-Hardware-Updates-New-beta-f-w-release-3-27-tp3512382p3514988.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
Re: [Elecraft] K3 NR
> "About the low end roll-off on version 3.25 was at 30 Hz,now with 3.27 is > at 60Hz,who needs to hear that low? besides do your speaker respond to > 30Hz,besides does anyone on ESSB respond that low? so 60 Hz is ok with > me.73 to all The low frequency issue reported here is primarily related to CW, not SSB. As an example of its importance, I worked a 4S7 station last night on 40m. As his gray-line was shifting away, his already weak signal was fading even further. Using F/W 3.25, I was able to copy him with an extremely low pitch of about 50 Hz. The use of extremely low pitch for marginal CW copy is pretty well known among top DXers. There's absolutely no way I would have worked he 4S7 using F/W 3.27. Paul, W9AC __ 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
Re: [Elecraft] [K3] K3 Future Factory Hardware Updates; + New beta f/w release 3.27
Eric, Would you provide links to the documents for the noted modifications: K3 VFO TUNING NOISE REDUCTION (requires f/w 3.25 or later) K3 AUTOMATIC FRONT END PROTECTION (1 wire mod) K3 IF OUTPUT BUFFER GAIN MOD (For the P3, LP-PAN etc) (1 resistor value change) Thanks, Julius n2wn Apologies if I missed a previous post. - Julius Fazekas N2WN Tennessee Contest Group http://www.k4ro.net/tcg/index.html Tennessee QSO Party http://www.tnqp.org/ Elecraft K2/100 #4455 Elecraft K3/100 #366 Elecraft K3#1875 -- View this message in context: http://n2.nabble.com/Re-K3-Future-Factory-Hardware-Updates-New-beta-f-w-release-3-27-tp3512399p3514975.html Sent from the [K3] 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
[Elecraft] K3 NR and RX EQ
Can everybody reporting about NR excellent/non-excellent functionality add some info about his/her RX EQ settings and BW used? I suppose there are big confusions in reports based on different settings. Maybe - later, later, not now :-) - can be some RX EQ forced in NR mode to avoid problems etc... The same with NR setting per-mode etc. But for now, please let us know your RX EQ settings and BW used while reporting NR experience. Or am I wrong with such request? 73! Lexa, ok1dst K3/10 #727 __ 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
Re: [Elecraft] K3 NR
Ian,I am with you,it works outstanding now,I don't even lose the audio as other said,it drops a liitle bid but still is confortable to my ears but the noise is totally GONE ! About the low end roll-off on version 3.25 was at 30 Hz,now with 3.27 is at 60Hz,who needs to hear that low? besides do your speaker respond to 30Hz,besides does anyone on ESSB respond that low? so 60 Hz is ok with me.73 to all AD4C "The difference between genius and stupidity is that genius has its limits".. -- Albert Einstein --- On Wed, 8/26/09, Ian Maude wrote: From: Ian Maude Subject: Re: [Elecraft] K3 NR To: elecraft@mailman.qth.net Date: Wednesday, August 26, 2009, 8:05 AM Sorry guys but I have to disagree. Finally the noise reduction is usable for SSB :) Absolutely brilliant! Thanks guys. I wonder if those who are having problems are running any RX EQ? I run none at all and find I don't need to. 73 Ian On 26 Aug 2009, at 26August04:54, Don Rasmussen wrote: > This is where I jump off the firmware updates train. I have version > 3.10 doing everything the way I like it, and can rotate in 120 watts > of power when I need to. I am smart enough not to overheat. > > I always thought I would stay current with the FW, but too many > things have gone sideways with respect to my tastes - it would take > something truly major to have me upgrade FW in K3 again. > > Others may feel the progression is going in their direction - that's > a problem with a product that comes so close to doing everything > perfectly for everyone. > > > [Elecraft] K3 NR > > rfenabled at gmail.com rfenabled at gmail.com > Tue Aug 25 22:58:37 EDT 2009 > Previous message: [Elecraft] FS: W5JH Black Widow Paddle > Next message: [Elecraft] K3 NR > Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] > Well the SSB folks lose out yet again on the latest FW revision. > Just when the next to useless NR was made to work we have yet > another version that favours one mode over others. > > Rather disappointing result but that appears to be the way of the k3 > world at times. > > Great radio for some but so great for others perhaps..:-( > > Don't know could be a replacement but the search has started. > > Gary > VK4WT > Sent via BlackBerry® from Telstra > __ > 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 -- Ian J Maude, G0VGS SysOp GB7MBC & HB9DRV-9 DX Clusters Member RSGB, GQRP 9838, FISTS 14077 | K3 #455 http://www.amateurradiotraining.org __ 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
Re: [Elecraft] K3 NR
Lyle, Your post below indicating how the F3 NR settings have been re-ordered in the new f/w reminds me of something I brought up earlier: When NR ADJ is on, the VFO-A knob has no function. Could I suggest that it be used to step through the NR settings in this sequence: F1-1, F2-1, F3-1, F4-1 F1-2, F2-2, F3-2, F4-2, etc. This sequence is "orthogonal" to the current VFO-B sequence: F1-1, F1-2, F1-3, etc. Having both would make it a lot easier to compare the different NR settings and find the optimum one. Also, is there any reason why when AGC is OFF and the NR button is subsequently pushed it does not just automatically switch on the AGC instead of flashing "N/A" on the display? That is pretty annoying to those of us who frequently switch between AGC OFF and ON (and who can't remember which state it is in whey we reach for the NR). BTW, the NR works just fine for this typically wide-bw CW user... 73, Drew AF2Z On Tue, 25 Aug 2009 20:40:50 -0700, Lyle KK7P wrote: >> Well the SSB folks lose out yet again on the latest FW revision. >> Just when the next to useless NR was made to work we have yet >> another version that favours one mode over others. > >The 3.27 NR F3-1 is *identical* to 3.25 NR F1-4. >The 3.27 NR F3-2 is *identical* to 3.25 NR F2-4. >The 3.27 NR F3-3 is *identical* to 3.25 NR F3-4. >The 3.27 NR F3-4 is *identical* to 3.25 NR F4-4. > >The 3.27 NR F1- is "lighter" than the 3.25 NR. >The 3.27 NR F2- is a little lighter than the 3.25 NR. >The 3.27 NR F4- is "heavier" than the 3.25 NR. > >I am an SSB op, not a CW op, and the NR now works much better for me. > >There were some changes we had to make from 3.25 (and previous releases >as well) in the Fx-1, -2 and -3 settings which resulted in "scolloping" >of the passband. Some CW ops at certain pitches thought it gave their >signals a boost, others at other pitches really bemoaned the >attenuation. While less noticeable on SSB, it was there nonetheless. > >73, > >Lyle KK7P > >(aka Not Sleeping Mt Vernon) > >__ >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
Re: [Elecraft] K3 NR
Lee, I thought that was what the 16 possible NR settings were for - I find that F1-x and F2-x are the best for SSB and while that also works for CW, the F3-x and F4-x settings are more aggressive but are also effective for CW. Your ears may be different than mine, but that is what I hear. 73, Don W3FPR Lee Trout wrote: > Many radios have dual mode NR, one for SSB and one for CW, etc. I wonder if > this is possible with the K3? > Lee, K9CM > > __ 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
Re: [Elecraft] K3 Future Factory Hardware Updates; + New beta f/w release 3.27
Bob, Well said - This is the first time I have felt the NR works satisfactorily on SSB. It actually makes SSB signals appear out of nothingness as one tunes the band. In my tests, I felt that for SSB operation the F1-x and F2-x settings worked best and allowed a weak signal to be picked out of the noise. For me, the F3-x and F4-x settings seemed not to help SSB stations that were down near the noise, but the lighter settings worked great on weak signals. Yes, there is a bit of 'hollowness' to SSB voices, and the effect is magnified with AFX on, but that is not a problem in my opinion. I am running with RX EQ flat. 73, Don W3FPR Bob Garrett wrote: > In my not so humble opinion, version 3.27 works extremely well for both CW > and SSB. I'd suggest before you start drawing conclusions from one posting, > try it yourself and then you can make your own decision as to how affective > or unaffective the newest efforts from our dedicated Elecraft team work for > your particular operating style. > 73, Bob K3UL > > __ 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] K3 NR
Many radios have dual mode NR, one for SSB and one for CW, etc. I wonder if this is possible with the K3? Lee, K9CM __ 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
Re: [Elecraft] K3 NR
Agreed! Mine were setup for CW (and they were setup for the excitement that was actually having low frequency in 3.24!!!) Can't wait for that to come back! ~Brett On Wed, Aug 26, 2009 at 4:13 AM, wrote: > Well, I tried again with RX Eq set flat and the NR functions as I always > imagined it should. > > I will spend more time trying each setting and see if I can find a setting > that works well. > > At this point it would appear as though my RX EQ settings were not compatible > with the NR as I had it setnow back to the fun > > Gary > VK4WT/P > Sent via BlackBerry® from Telstra > __ > 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] K3 NR
Well, I tried again with RX Eq set flat and the NR functions as I always imagined it should. I will spend more time trying each setting and see if I can find a setting that works well. At this point it would appear as though my RX EQ settings were not compatible with the NR as I had it setnow back to the fun Gary VK4WT/P Sent via BlackBerry® from Telstra __ 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
Re: [Elecraft] K3 NR
Agreed setting the BW a bit wider than needed helps the filter out it seems but even at very narrow widths it does help. I was just operating in CW a lil bit ago and a station ended its QSO dit dit and then the rig went silent. I turned up the volume a bit and man there was nothing... Oh yea I've got NR turned on. Click and poof oh ok the band is back... Then I thought hrm... What if I tune the band in that condition. It almost felt as though I was simply changing frequency with the volume set to minimum but as I tuned across stations they just cranked up to the volume you'd expect... But the noise was just gone. About the only time you could hear any sort of noise at all was if the station was close to the noise floor... ~Brett On Wed, 2009-08-26 at 12:00 +0200, Deni wrote: > I have never been too fond of DSP NR in any rig but this latest > from Elecraft really is impressive. > NR is absolutely amazing on CW and very very good on SSB. > If you have any doubts just try it. > Listen to CW in a wider bandwidth than you would normally (just to try > it), Say 1kHz, > then engage a NR setting of choice, it works!! > > I listen a LOT to very weak signals and this version of NR is the best > so far. > > Also just completed the latest hardware mods, so all in all very happy, > thanks guys. __ 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
Re: [Elecraft] K3 NR
I have just uploaded the latest FW and agree that it is an improvement. I have done some listening on 80 and 40m, both SSB and CW, and believe it is the best NR I have tried so far. Andy VK4KY *** Ian Maude wrote: > Sorry guys but I have to disagree. Finally the noise reduction is > usable for SSB :) Absolutely brilliant! Thanks guys. > I wonder if those who are having problems are running any RX EQ? I > run none at all and find I don't need to. > > 73 Ian > > On 26 Aug 2009, at 26August04:54, Don Rasmussen wrote: > > >> This is where I jump off the firmware updates train. I have version >> 3.10 doing everything the way I like it, and can rotate in 120 watts >> of power when I need to. I am smart enough not to overheat. >> >> I always thought I would stay current with the FW, but too many >> things have gone sideways with respect to my tastes - it would take >> something truly major to have me upgrade FW in K3 again. >> >> Others may feel the progression is going in their direction - that's >> a problem with a product that comes so close to doing everything >> perfectly for everyone. >> >> >> [Elecraft] K3 NR >> >> rfenabled at gmail.com rfenabled at gmail.com >> Tue Aug 25 22:58:37 EDT 2009 >> Previous message: [Elecraft] FS: W5JH Black Widow Paddle >> Next message: [Elecraft] K3 NR >> Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] >> Well the SSB folks lose out yet again on the latest FW revision. >> Just when the next to useless NR was made to work we have yet >> another version that favours one mode over others. >> >> Rather disappointing result but that appears to be the way of the k3 >> world at times. >> >> Great radio for some but so great for others perhaps..:-( >> >> Don't know could be a replacement but the search has started. >> >> Gary >> VK4WT >> Sent via BlackBerry® from Telstra >> __ >> 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 >> > > -- > Ian J Maude, G0VGS > SysOp GB7MBC & HB9DRV-9 DX Clusters > Member RSGB, GQRP 9838, FISTS 14077 | K3 #455 > http://www.amateurradiotraining.org > > __ > 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] K3 NR
I have never been too fond of DSP NR in any rig but this latest from Elecraft really is impressive. NR is absolutely amazing on CW and very very good on SSB. If you have any doubts just try it. Listen to CW in a wider bandwidth than you would normally (just to try it), Say 1kHz, then engage a NR setting of choice, it works!! I listen a LOT to very weak signals and this version of NR is the best so far. Also just completed the latest hardware mods, so all in all very happy, thanks guys. -- 73, Deni F5VJC __ 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] K3 NR
Hi Ian I have to agree. I have just finished listening on my sunset on 75 meters digging out the Ecuador Time station on 3810 through a storm front. The NR is very impressive on weak signals buried in static crashes. I have also just listened to weak aeronautical traffic control stations on SSB as their signals build into my darkness, and again I can say that it works much better than before. My quick assessment is that it will be a valuable tool for weak SSB signal detection. This is the first time that I have been able to listen to weak S1 or lower signals with the DSP on from across the room and actually understand what they are saying! The muting effect on static is most impressive without harming signal clarity. Turning on the DSP on 75 meters with the band full of static is certainly a revelation. Maybe my ears are dont have wax in them this week, but the DSP on SSB is certainly working well. Craig Sorry guys but I have to disagree. Finally the noise reduction is usable for SSB :) Absolutely brilliant! Thanks guys. I wonder if those who are having problems are running any RX EQ? I run none at all and find I don't need to. 73 Ian __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.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
Re: [Elecraft] K2 Problem ???
Hello Hisashi, Yes, I have a KAF2 and hear a "tick" every second when the time is displayed, so I don't use this feature. The "tick" could probably be eliminated, but I have not taken time out to look at the problem. 73, Geoff GM4ESD Hisashi T Fujinaka wrote on Sunday, August 23, 2009 12:47 AM > Does it happen on the KAF2 as well? I thought about getting one of those > to play with. > > On Sat, 22 Aug 2009, Don Wilhelm wrote: > >> Jim, >> >> That 'ticking' noise when in the DSP menu is present on all K2s with the >> KDSP2 option. >> I believe it is the sound of the clock updating. It is not a problem >> and goes away when you exit the DSP menus. I am surprised that you just >> now noticed it. >> >> 73, >> Don W3FPR __ 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
Re: [Elecraft] K3 NR
Sorry guys but I have to disagree. Finally the noise reduction is usable for SSB :) Absolutely brilliant! Thanks guys. I wonder if those who are having problems are running any RX EQ? I run none at all and find I don't need to. 73 Ian On 26 Aug 2009, at 26August04:54, Don Rasmussen wrote: > This is where I jump off the firmware updates train. I have version > 3.10 doing everything the way I like it, and can rotate in 120 watts > of power when I need to. I am smart enough not to overheat. > > I always thought I would stay current with the FW, but too many > things have gone sideways with respect to my tastes - it would take > something truly major to have me upgrade FW in K3 again. > > Others may feel the progression is going in their direction - that's > a problem with a product that comes so close to doing everything > perfectly for everyone. > > > [Elecraft] K3 NR > > rfenabled at gmail.com rfenabled at gmail.com > Tue Aug 25 22:58:37 EDT 2009 > Previous message: [Elecraft] FS: W5JH Black Widow Paddle > Next message: [Elecraft] K3 NR > Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] > Well the SSB folks lose out yet again on the latest FW revision. > Just when the next to useless NR was made to work we have yet > another version that favours one mode over others. > > Rather disappointing result but that appears to be the way of the k3 > world at times. > > Great radio for some but so great for others perhaps..:-( > > Don't know could be a replacement but the search has started. > > Gary > VK4WT > Sent via BlackBerry® from Telstra > __ > 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 -- Ian J Maude, G0VGS SysOp GB7MBC & HB9DRV-9 DX Clusters Member RSGB, GQRP 9838, FISTS 14077 | K3 #455 http://www.amateurradiotraining.org __ 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] TX Power/SWR Peak hold
Can someone remind me how to get the TX power meter and SWR meter to operate in peak hold mode? I can't seem to find it in the latest manual revision D4. I can find the setting for the S-meter. -- View this message in context: http://n2.nabble.com/TX-Power-SWR-Peak-hold-tp3514317p3514317.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
[Elecraft] K3 Beta 3.27 NR makes audio all but disappear
greetings all... i'm still a relatively new K3 owner but realize the functionality of firmware, especially with respect to DSP functions, such as noise reduction, is hotly debated, as it is a work-in-progress. that said, i'm an SSB-only op and found that the 3.25 version of the Noise Reduction system, while awkward (in that you had to turn it off and then on again in order to have the FIR filters rebuild themselves) was actually useful... an ssb voice signal burried in noise could be helped with a setting of 2-2 or 3.2 without fundamentally changing the characteristic sound/overtones of the original audio. i was, therefore, eager to try 3.27, which came out tonight... the first thing i noticed is that pressing the NR button effectivelly makes my audio disappear almost completely. even with a very strong/clean signal against almost no noise, pressing NR regardless of the underlying setting, will cause the audio to go far far away... if i wait a bit (30sec?) some audio sometimes comes back, but it seems heavily filtered with no overtones (underwater bubble talk is how i describe it)... i dont know if 3.27 works great for CW, but for SSB, while 3.25 was somewhat functional, 3.27 is a non-starter. have build 2102, btw, in case there's some other issue that's causing this feature to work well with some rigs but not with others (ie, mine!) 73 robin (K9RDG) __ 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
Re: [Elecraft] K2: Problem with new build? Buttons and encoder are dead
N0SA wrote: > I am building a new K2 and have run into a problem. > When I do my initial power on testing I get the Elecraft message then 7.1000 > and the realys click. But none > of my front panel buttons nor the encoder work. If the power control, but not the speed control, works, I would say the probable cause is that the transmitter is keyed. If both controls work, it might be a key stuck down, or a faulty key decode input or key scan output, although, in most cases it looks like you do get side effects when you push extra keys. Please try and fix your email prgram so that it doesn't spew! -- David Woolley Emails are not formal business letters, whatever businesses may want. RFC1855 says there should be an address here, but, in a world of spam, that is no longer good advice, as archive address hiding may not work. __ 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
