[Elecraft] k2 progress..
i just finished up mounting the front panel board and the controller board.. ran all the phase 1 tests and alignments, and everything checks out aok! woo hoo! 72 de kb8qpt ___ peace, sergio photographer, journalist, visionary www.coffee-black.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 Sound and feel
Yes, I think there is a lot going on in the modern stuff, early stages being distorted, stuff getting through the filters, and other sorts of distortion. I have been into AM a long time, and fidelity there is important, and all the modern rigs sound nasty on AM no matter what filters they have, even with outboard audio amps. The best sounding receivers I had were ones from the 40's, single conversion, push pull audio output tubes. The SX17, the Scott SLRM, they were designed to also be hifi amps for record players... When I did my K2 filter crystals, when grounding them, I used thicker wire, think that helps any? I cant detect anything getting past the filter in my K2. Brett N2DTS > There you hit the word I was looking for, "rumble". I have > the narrow > 250 Hz filter in a 706 and a 718. That sums up the > difference between > them in the K2. With those filters there is more rumble, and > sometimes > the signals blow right by the filters and blast you if you have the > volume up. With the filters in the K2, I find that I can use > the wider > bandwidths more than expected, and that the effects of the > filter on the > received audio is "softer". If that makes any sense, where > the received > audio with the other units with narrow filters is harsher. > > David Wilburn > [EMAIL PROTECTED] > K4DGW > K2 #5982 > > ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 Sound and feel
There you hit the word I was looking for, "rumble". I have the narrow 250 Hz filter in a 706 and a 718. That sums up the difference between them in the K2. With those filters there is more rumble, and sometimes the signals blow right by the filters and blast you if you have the volume up. With the filters in the K2, I find that I can use the wider bandwidths more than expected, and that the effects of the filter on the received audio is "softer". If that makes any sense, where the received audio with the other units with narrow filters is harsher. David Wilburn [EMAIL PROTECTED] K4DGW K2 #5982 Brett gazdzinski wrote: I did some comparisons between my 756 pro and the K2 on 40 meters tonight, only CW, SSB always hurts my ears so I cant say about that, plus I don't have the ssb option added to the K2. I used headphones, the same antenna, and tuned in strong and weak signals, some had very close qso's going on, and others had ssb splatter, and lots of atmospheric noise, static crashes, etc. I have a station control setup that allows me to select any antenna, receiver, transmitter, etc, so doing A/B comparisons is easy. I got to say, I never really spent a lot of time comparing the two radios before, but the 756 pro sounds HORRIBLE! There was a lot of weird things coming out of the 756, much more noise and rumble, I suspect the early stages are being subjected to all sorts of interference, and while its filtered out, the results still come through somehow. Static crashes came through as massive rolling waves of rumble and other noise. CW sometimes sounded fuzzy and weak on the 756 yet its clear on the K2. I cant even hear the static crashes on the K2, the close in ssb splatter I can barely hear on the K2, and I don't hear close cw if I narrow the filter on the K2. I dislike narrow filters, but the 200hz filter setting I have on the K2 sounds much better than the 400 hz 756 pro filter setting. If I had to listen to the 756 on CW or ssb for long under conditions like what was on 40 tonight, I think I would rather turn it off. I played around setting the filters up a bit when I got the K2 done, but did not really get critical, I just tried a few different settings, BFO pitches, filter widths, etc. I did manage to get the tone to stay the same when switching between filters, and using the spectrogram software put the bfo pitch in the center of the filter bandwidth. I find it kind of amazing that the expensive in its day 756 pro sounds so poor. I used to do a lot of CW on a heathkit HW7, then an HW101, listened to CW on lots of vintage gear, and the emtech kit, and while some of it had a lot of built in background noise, or poor filters, I don't think it sounded as bad as the 756 pro. Not that the copy is bad on the 756, it just seems to sound very poor. Maybe that's something that dsp does? combined with all those conversions? I would venture to guess, on CW anyway, that if you find ANY rig that sounds better than the K2 on receive, you have something wrong with your K2. Brett N2DTS I'm a new used K2 owner. I have been getting use to the rig the last week. In another thread this was said: I have used Spectrogram to align the filters, and I'll be doing that again with a bit more experience. That made a significant difference in the "feel/sound" of the radio. Like you, I intend to do some more "measurement" in addition to just setting things up and starting to operate. Compared to the FT990, a rig that I have really enjoyed for many reasons, the K2 is much quieter and more flexible. I have noticed I'm having the opposite experience. I have a noise floor of S9 on 40m. With my TS-430S and the ssb filter I can listen to the rig all day. But with the K2 after a half hour or so I have to turn the sound down to give my ears a break. There seems to be so many highs in the background noise that it really gets on my nerves in a short time. This is even with the MFJ DSP filter inline after the K2. I don't have the dead tree manuals yet, maybe later this week. So I haven't wanted to really get into checking all the adjustments until then. The rig is dead on frequency, when replying to a cw station. On ssb I am told my transmitted signal has great audio, MC42 hand mike. Power out is good. So, I'm jumping to the conclusion that it's all set up well. What gives with all the annoying highs even when using the cw narrow filters? Only relief I get is when I turn the AF1 on. I did use the spectrogram to move the cw center frequency from 500hz to 600hz. When I did this, I happened to set it up on the wrong side of the passband. A couple of folks got me straightened out on that. But the thing I remember was how wonderfully quiet the rig was when I was on the wrong side. Signals just popped up from the quiet and it was a pleasure to hear. Any suggestions why I'm hearing so many highs? And how I might could shift things around to cha
RE: [Elecraft] ordered the kpa100
Thanks. Its been a rough week. Thanks for the link, I saw that before but did not know how to get back to it. Looks very sharp, I could put the amp/tuner away on the floor out of the way, and could still use the basic K2 barefoot. And I suppose you can change things around and put the amp in the K2 when you wanted to... Very flexible! Brett N2DTS > > Hi Brett, > > First, my condolences to you and your family for the recent > death in your > family. > > I split my kpa100 into an EC2 enclosure with the kat100 this > past winter. If > you search the reflector archives, you will find lots of info > for doing > this. I used the info found on Lyle Johnson's KK7P website: > http://www.kk7p.com/k2kpa100.html. > > It contains a very detailed explanation with lots of > pictures. Placing the > kpa100 with the kat100 is very slick in that the RF and AUX > BUS connections > are internal between the two boards. It is a very neat looking setup. > > My design considerations were to allow me to remove the basic > K2 from my > setup for portable ops without some of the hassle of > exchanging the tops > (not that it is that much of a hassle). I also added the KB2 > battery option > and KAT2 to my basic K2 at the same time. Works well for me - YMMV. > > 73, > D ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] OT: Trade K2 for Drake TR4CW/RIT or C line
Hello. Anyone have one that they would like to trade? I have a excellent K2 with all options except the 60m and DSP. If yours is pristine I can sweeten the deal with the 100w amp and 100w tuner (both unbuilt in the box), ec2.. Package worth over $1000. email: n2fq at sbcglobal dot net. tnx.. for the bandwidth Fernando N2FQ ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] ordered the kpa100
I would take one if it worked on the K2 and the 455 kHz of the homebrew receivers. I would use it mostly on the AM mode, those steady carriers show up real well on a panadaptor! I don't need anything fancy, but would want a built in screen. A case is not important, it would be kind of cool to build it into the receivers themselves. A tube AM receiver with a digital readout and a panadaptor, what a mix of old and new! Brett N2DTS > -Original Message- > From: Jack Smith [mailto:[EMAIL PROTECTED] > Sent: Monday, April 09, 2007 10:30 AM > To: Brett gazdzinski > Cc: elecraft@mailman.qth.net > Subject: Re: [Elecraft] ordered the kpa100 > > > > Brett gazdzinski wrote: > > I sent an Email to Jack Smith about a Z90 panadaptor kit, > > but there are none left. > > That would have been just the thing to go with the homebrew > receivers > > and the K2. > > > > > > > For Brett and the list. Yes, all the Z90/91 kits are spoken for. > > However, if there is enough demand, there might be a "son of Z90" kit > later this year, more aimed at the K2 user, with reduced price and > simplified functionality. It would also include an updated K2 > IF buffer > output board, perhaps slightly reduced in size via more components on > the bottom. > > Whether this happens will depend on expressions of interest. I have a > two simple projects to wrap up to show at Dayton (the Z1502 > TDR adapter > and, of more interest to the K2 community, the Z100 LED Tuning Bar CW > and RTTY tuning aid, currently undergoing beta testing). > > So, if enough K2'ers want a panadapter I'll work on the new > edition. Way > too early for detailed information, other than it will likely > have one > selectivity position, around 2 KHz BW and will scan 500 KHz > at max and > perhaps 50 KHz at minimum. It will not have the signal > generator output > and will be capable of working with perhaps 2 IF frequencies, > and those > IF frequencies will be determined by a combination of hardware and > software, i.e., no DDS in this model, as a cost-reduction feature. > > It will have software similar to the Z90-Control version 2.0, > including > "point and shoot" tuning for K2 transceivers. I would like to > package it > in a case similar in styling to the K2, but that's a real price point > problem for the small volume I anticipate. > > If you want to see this happen, send me a message expressing your > interest in purchasing such a kit, assuming a reasonable price. And, > tell me how important it is to you to (a) have an LCD display versus > computer-only and (b) would you be willing to pay an extra $75 for a > K2-styled enclosure. (This also limits the size of the LCD, > but that's > probably necessary in the first place for reduced price design.) > > > > Jack K8ZOA > www.cliftonlaboratories.com > ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 Sound and feel
I did some comparisons between my 756 pro and the K2 on 40 meters tonight, only CW, SSB always hurts my ears so I cant say about that, plus I don't have the ssb option added to the K2. I used headphones, the same antenna, and tuned in strong and weak signals, some had very close qso's going on, and others had ssb splatter, and lots of atmospheric noise, static crashes, etc. I have a station control setup that allows me to select any antenna, receiver, transmitter, etc, so doing A/B comparisons is easy. I got to say, I never really spent a lot of time comparing the two radios before, but the 756 pro sounds HORRIBLE! There was a lot of weird things coming out of the 756, much more noise and rumble, I suspect the early stages are being subjected to all sorts of interference, and while its filtered out, the results still come through somehow. Static crashes came through as massive rolling waves of rumble and other noise. CW sometimes sounded fuzzy and weak on the 756 yet its clear on the K2. I cant even hear the static crashes on the K2, the close in ssb splatter I can barely hear on the K2, and I don't hear close cw if I narrow the filter on the K2. I dislike narrow filters, but the 200hz filter setting I have on the K2 sounds much better than the 400 hz 756 pro filter setting. If I had to listen to the 756 on CW or ssb for long under conditions like what was on 40 tonight, I think I would rather turn it off. I played around setting the filters up a bit when I got the K2 done, but did not really get critical, I just tried a few different settings, BFO pitches, filter widths, etc. I did manage to get the tone to stay the same when switching between filters, and using the spectrogram software put the bfo pitch in the center of the filter bandwidth. I find it kind of amazing that the expensive in its day 756 pro sounds so poor. I used to do a lot of CW on a heathkit HW7, then an HW101, listened to CW on lots of vintage gear, and the emtech kit, and while some of it had a lot of built in background noise, or poor filters, I don't think it sounded as bad as the 756 pro. Not that the copy is bad on the 756, it just seems to sound very poor. Maybe that's something that dsp does? combined with all those conversions? I would venture to guess, on CW anyway, that if you find ANY rig that sounds better than the K2 on receive, you have something wrong with your K2. Brett N2DTS > > I'm a new used K2 owner. I have been getting use to the rig > the last week. > > In another thread this was said: > > > I have used Spectrogram to align the filters, and I'll be > doing that again with a > bit more experience. That made a significant difference in > the "feel/sound" of > the radio. Like you, I intend to do some more "measurement" > in addition to just > setting things up and starting to operate. > > Compared to the FT990, a rig that I have really enjoyed for > many reasons, the K2 > is much quieter and more flexible. > > > I have noticed I'm having the opposite experience. I have a > noise floor of S9 on > 40m. With my TS-430S and the ssb filter I can listen to the > rig all day. But > with the K2 after a half hour or so I have to turn the sound > down to give my > ears a break. There seems to be so many highs in the > background noise that it > really gets on my nerves in a short time. This is even with > the MFJ DSP filter > inline after the K2. > > I don't have the dead tree manuals yet, maybe later this > week. So I haven't > wanted to really get into checking all the adjustments until then. > > The rig is dead on frequency, when replying to a cw station. > On ssb I am told my > transmitted signal has great audio, MC42 hand mike. Power out > is good. So, I'm > jumping to the conclusion that it's all set up well. What > gives with all the > annoying highs even when using the cw narrow filters? Only > relief I get is when > I turn the AF1 on. > > I did use the spectrogram to move the cw center frequency > from 500hz to 600hz. > When I did this, I happened to set it up on the wrong side of > the passband. A > couple of folks got me straightened out on that. But the > thing I remember was > how wonderfully quiet the rig was when I was on the wrong > side. Signals just > popped up from the quiet and it was a pleasure to hear. > > Any suggestions why I'm hearing so many highs? And how I > might could shift > things around to change it when I get the manuals. > > TIA > -- > GB & 73's > KA5OAI > Sam Morgan > ___ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > ___ Elecraft mailing list Post to: Elecraft@mailma
[Elecraft] April NAQCC Sprint
This Tuesday evening, the North American QRP CW Club will be holding its monthly sprint. Here are the particulars: Date and time: Wednesday April 11th, 0030-0230 UTC (Remember that's Tuesday evening here in the USA) That's 8:30 - 10:30 EDT, 7:30 - 9:30 CDT, 6:30 - 8:30 MDT and 5:30 - 7:30 PDT. Bands - Frequencies: 80M - 3555-3565 kHz (Be courteous to FISTS operating on 3558 kHz) 40M - 7039-7050 kHz (Avoid W1AW on 7047.5 kHz). 20M - 14059-14065 kHz. General: A particular station may be worked once on each band. Operate CW only. All licensed amateurs are invited to participate, but only those operating QRP (5 watts or less) are eligible for awards. Call: CQ NA Exchange: RST - SPC (State Province or Country) - NAQCC Nr. (non-Members substitute power level for NAQCC Nr., e.g. 5W, 1W, etc. Be sure to add the W.) QSO Points: QSO with a Member, 2 points. QSO with a Non-member, 1 point. Multipliers: Each USA state Each VE province Each country except W/VE All multipliers count only once in the contest. Bonus: If you use only a straight key for the entire sprint, multiply your score by 2. If you use only a bug for the entire sprint, multiply your score by 1.5. If you key with anything other than a straight key or bug, there is no bonus multiplier. Categories: SWA - simple wire antennas - for those using a simple wire antenna per NAQCC definition. GAIN - gain antennas - for those using other than a simple wire antenna. Special Award: For the one making the most 40 Meter QSOs. Entry Deadline: All entries must be RECEIVED before 2400Z on April 17, 2007. So submit as soon as possible, especially regular mail entries. For further information, please visit: http://www.arm-tek.net/~yoel//sprintrules.html To join the NAQCC, please visit: http://www.arm-tek.net/~yoel//joinup.html 73 de Larry W2LJ NAQCC #35 -- 73 de Larry W2LJ QRP - When you care to use the very least! http://www.w2lj.qrpradio.com http://w2lj.blogspot.com/ ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K2 Sound and feel
I'm a new used K2 owner. I have been getting use to the rig the last week. In another thread this was said: I have used Spectogram to align the filters, and I'll be doing that again with a bit more experience. That made a significant difference in the "feel/sound" of the radio. Like you, I intend to do some more "measurement" in addition to just setting things up and starting to operate. Compared to the FT990, a rig that I have really enjoyed for many reasons, the K2 is much quieter and more flexible. I have noticed I'm having the opposite experience. I have a noise floor of S9 on 40m. With my TS-430S and the ssb filter I can listen to the rig all day. But with the K2 after a half hour or so I have to turn the sound down to give my ears a break. There seems to be so many highs in the background noise that it really gets on my nerves in a short time. This is even with the MFJ DSP filter inline after the K2. I don't have the dead tree manuals yet, maybe later this week. So I haven't wanted to really get into checking all the adjustments until then. The rig is dead on frequency, when replying to a cw station. On ssb I am told my transmitted signal has great audio, MC42 hand mike. Power out is good. So, I'm jumping to the conclusion that it's all set up well. What gives with all the annoying highs even when using the cw narrow filters? Only relief I get is when I turn the AF1 on. I did use the spectrogram to move the cw center frequency from 500hz to 600hz. When I did this, I happened to set it up on the wrong side of the passband. A couple of folks got me straightened out on that. But the thing I remember was how wonderfully quiet the rig was when I was on the wrong side. Signals just popped up from the quiet and it was a pleasure to hear. Any suggestions why I'm hearing so many highs? And how I might could shift things around to change it when I get the manuals. TIA -- GB & 73's KA5OAI Sam Morgan ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 and CW
Scott... I echo previous comments and add a few... With CW experience, in-the-brain filtering really does develop. It does take time, but just as assuredly, it does develop. I have an FT990 with a 250cps filter that I used pretty much all the time. Got use to it. That said, there were still times when adjacent signals messed everything up. So, I'm thinking selectivity tends to be as subjective as a graph makes it look objective. I have my K2 #5957 CW filters set for SSB/2.2kc, 800cps, 400cps & 150cps. I also have the DSP unit, and I have set those CW filters at BandPass, 500cps, 250cps & 100cps. I've tried most combinations of these two filter sets, but like you, I'm still getting a feel for the radio. That said, there's enough selectivity in that combination to narrow things down to the point that I sometimes open it up just to make sure the radio is still on . I have used Spectogram to align the filters, and I'll be doing that again with a bit more experience. That made a significant difference in the "feel/sound" of the radio. Like you, I intend to do some more "measurement" in addition to just setting things up and starting to operate. Compared to the FT990, a rig that I have really enjoyed for many reasons, the K2 is much quieter and more flexible. The FT990 is now on the floor and the K2 is at the operating position. At the end of the day, it's a hobby and it's about having fun - and providing a service to the emergency community. I'm having more "fun" with the K2 than at any point in my hamming experience to date. I'm now working a fair amount of QRP "because it's there." I do have the 100w amp, and the tube amp is ready when needed. So, the K2 has given me a wider hamming experience and for that I'm grateful. ...robert At 08:46 04/09/2007 -0400, David Wilburn wrote: I have an 718 with the 250 Hz filter. That filter locks down things quite well, but it also allows "blow by" with large nearby signals that make things difficult also. In the short time I have been a CW op, the skill that Ron mentions is just starting to get to me. I have often been frustrated by other ops nearby. That is part of what drove me to the K2, was the many choices of filters. I agree with Scott, in the since, that I am seeking a way to make that last filter have more isolation capability without further attenuating the signal. Now that I have a little bit better idea what is going on with Spectrogram, after I have all the pieces finished, I plan on making another pass with that while sending some tones through and seeing what kind of tweaking I can accomplish. Scott, have you put your K2 through the Spectrogram alignments yet? I was not terribly impressed with the filters after the default settings were installed, but I was amazed after (several tries) I gave the filters a good alignment with Spectrogram. David Wilburn [EMAIL PROTECTED] K4DGW K2 #5982 Ron D'Eau Claire wrote: I can't speak about the 718 or the Elecraft DSP, but in my experience such "brick wall" filtering creates far more problems than solutions. A huge amount of unwanted stuff is produced by signals on the sharp edges of such a filter that appear throughout the passband - much of it is that 'noise' you mention. I work 99% CW and my K2 is seldom set for less than 1.0 kHz bandwidth. My minimum is 0.4 kHz used only when I get a "loudmouth" shouting from almost on top of the signal I'm copying. That occasionally happens during a contest, but that's about it. I do have a skill that a great many experienced CW ops have that might be the difference. We can copy easily with several signals within the passband. It's like listening to one voice in a crowded party; we just "tune out" the other babble going on around us unless it's something we want to follow. It only gets difficult if one nut starts shouting in my ear when I'm trying to listen to someone else, Hi! Ron AC7AC -Original Message- Hello I haven't had my K2 (# 5846 ) long enought to fully understand all the different settings that are possible with it , so I have a question. My CW filter setting are FL-1 1.50, FL-2 0.70, FL-3 0.40, and FL-4 is 0.10. Even FL-4 is no where near as effective as the 250 hz crystal filter in my Icom 718. When I turn on the 250 hz filter in the Icom, it's like building a wall right on each side of the signal that I am listening to. Nothing else is heard except noise and signals that are exactly on the same frequency. Is this kind of selectivity possible with the K2? If I installed the DSP option would that help? And if so, what would the filter settngs need to be? The only options I presently have are the 160 meter option, noise blanker, serial adapter, ssb option, and the KPA100. Thanks Scott N5SM ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qt
Re: [Elecraft] KX1AT problem - its alive! KX1 # 1043
Hi Don, The unseated KX1 Microprocessor was the problem...I checked the continuity between 2 & 17 on KX1 U1 and it was a short...tried re-seating the Microprocessor and viola!...all OK...I shall put a bit of a con-conductive bolster on top of the chip to ensure it is pushed home when the board is put back in the case...making sure it doesn't unseat itself again. Thanks for all your help. 73/72 Paul G0WAT Don Wilhelm wrote: Paul, The most likely problem is that you have a soldering problem or that the KX1 microprocessor is not fully seated in its socket or perhaps you have a pin bent out/under and is not inserted in the socket. Examine closely again. As for the soldering paths, make some continuity checks - take the KX1 out of its case and plug the KXAT1 into its headers. Check from KX1 U1 pin 2 to KX1 U1 pin 17, check from KX1 U1 pin 6 to KXAT1 U1 pin 13. Then apply power and check for 6 volts to ground at KXAT1 U1 pins 4 and 14. It is possible that you have a firmware chip either in the KX1 or the KXAT1 which has a faulty output or input pin, but the best way to confirm that fact is to substitute a new firmware chip. Make the checks above first to see if you can find a faulty path. 73, Don W3FPR Paul Brice-Stevens wrote: Hi, I have built a KX1 with the 30m option al installed and its working fine. I then built the KX1 ATU and it appeared to go together OK and on the first install it worked and the KX1 recognized it and I started to play around with the various settings...then when I next switched it on it gives the '---' message and won't recognize the ATU. I have checked as per the Troubleshooting guide: - - Connectors seems OK - U1 appears insttaled OK - No idea how to check whether U1 is defective... So any ideas what and how to check next? 73 Paul G0WAT KX1 #1043 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com __ NOD32 2167 (20070403) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] panadaptor
I read about the possibility of a new Clifton Laboratories design "Son of the Z90" Panadaptor dedicated to the K2. I think that this a good idea that will prove to be successful. I am interested in a unit with a built in display. The $75 machined K2 enclosure option seems reasonable. 73, Bob Johansen WB2SRF ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] WTB: K1 in Europe
Hello, I am looking for a well buildt K1. Please email me off list. Vy 73's de oz5abo, Per ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K2 sold
Thanks de RC kc5wa ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] KNB2
I Gang I bought the KNB2 noise blanker last week for my K2 so I can go mobile. My truck has a little bit of ignition noise from time to time. Well I Got it built installed it put in the truck and well I don't see any difference. I drug out my ft 100d which is going to have to go back to the factory for transmit problem and the noise blanker took out the noise ok. So What did I screw up.. or is there some value I need to change for my particular noise... Thanks David KR4OW K2 4320 No need to miss a message. Get email on-the-go with Yahoo! Mail for Mobile. Get started. http://mobile.yahoo.com/mail ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] ordered the kpa100
Additionally, I believe all the Elecraft documentation (for the KPA100 and the KAT100) now cover mounting these in the second enclosure. David Wilburn [EMAIL PROTECTED] K4DGW K2 #5982 Dave Van Wallaghen wrote: Hi Brett, First, my condolences to you and your family for the recent death in your family. I split my kpa100 into an EC2 enclosure with the kat100 this past winter. If you search the reflector archives, you will find lots of info for doing this. I used the info found on Lyle Johnson's KK7P website: http://www.kk7p.com/k2kpa100.html. It contains a very detailed explanation with lots of pictures. Placing the kpa100 with the kat100 is very slick in that the RF and AUX BUS connections are internal between the two boards. It is a very neat looking setup. My design considerations were to allow me to remove the basic K2 from my setup for portable ops without some of the hassle of exchanging the tops (not that it is that much of a hassle). I also added the KB2 battery option and KAT2 to my basic K2 at the same time. Works well for me - YMMV. 73, Dave W8FGU -Original Message- From: [EMAIL PROTECTED] [mailto:elecraft- [EMAIL PROTECTED] On Behalf Of Brett gazdzinski Sent: Monday, April 09, 2007 9:17 AM To: elecraft@mailman.qth.net Subject: [Elecraft] ordered the kpa100 I just placed the order for the 100 watt amp. I figured if I want to rag chew on CW I might need more then the 12 to 14 watts of basic K2. Besides, the Elecraft stuff is so fun to build! Despite being sick all week and having a death in the family, I have been speeding up my CW copy, with only numbers and really poor sending being a problem now. I sent an Email to Jack Smith about a Z90 panadaptor kit, but there are none left. That would have been just the thing to go with the homebrew receivers and the K2. Has anyone built the kpa100 and the high power auto ant tuner into a standalone remote package? Is that possible? Thanks for any info, Brett N2DTS ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 and CW
Based on the emails I have been getting, I apparently didn't state this well. I am VERY happy with the level of filtering that I have been getting from the K2 in CW mode. The ability to turn the AGC off and drill down with the filters has been a great improvement over the 718. That being said, the next time I put the system on spectrogram, I am going to have a couple more tools available that I didn't have the first time around, and one of things I am going to be looking at is making the last two filters a little more narrow. I hope to do this without greatly attenuating the signal. Neither of these statements is meant to be a disparaging remark, merely a statement of what I hope to accomplish. One of the reasons I chose this rig, was because I can tailor the filters as I see fit. I played with the SSB on 80m the other night, and didn't get the level of rejection of adjacent signal interference that I would have liked. That being said, I have NOT put the rig back on Spectrogram since setting up the SSB board. So my first assumption was that I have not done my due diligence, not any deficiencies with the rig. David Wilburn [EMAIL PROTECTED] K4DGW K2 #5982 David Wilburn wrote: I have an 718 with the 250 Hz filter. That filter locks down things quite well, but it also allows "blow by" with large nearby signals that make things difficult also. In the short time I have been a CW op, the skill that Ron mentions is just starting to get to me. I have often been frustrated by other ops nearby. That is part of what drove me to the K2, was the many choices of filters. I agree with Scott, in the since, that I am seeking a way to make that last filter have more isolation capability without further attenuating the signal. Now that I have a little bit better idea what is going on with Spectrogram, after I have all the pieces finished, I plan on making another pass with that while sending some tones through and seeing what kind of tweaking I can accomplish. Scott, have you put your K2 through the Spectrogram alignments yet? I was not terribly impressed with the filters after the default settings were installed, but I was amazed after (several tries) I gave the filters a good alignment with Spectrogram. David Wilburn [EMAIL PROTECTED] K4DGW K2 #5982 Ron D'Eau Claire wrote: I can't speak about the 718 or the Elecraft DSP, but in my experience such "brick wall" filtering creates far more problems than solutions. A huge amount of unwanted stuff is produced by signals on the sharp edges of such a filter that appear throughout the passband - much of it is that 'noise' you mention. I work 99% CW and my K2 is seldom set for less than 1.0 kHz bandwidth. My minimum is 0.4 kHz used only when I get a "loudmouth" shouting from almost on top of the signal I'm copying. That occasionally happens during a contest, but that's about it. I do have a skill that a great many experienced CW ops have that might be the difference. We can copy easily with several signals within the passband. It's like listening to one voice in a crowded party; we just "tune out" the other babble going on around us unless it's something we want to follow. It only gets difficult if one nut starts shouting in my ear when I'm trying to listen to someone else, Hi! Ron AC7AC -Original Message- Hello I haven't had my K2 (# 5846 ) long enought to fully understand all the different settings that are possible with it , so I have a question. My CW filter setting are FL-1 1.50, FL-2 0.70, FL-3 0.40, and FL-4 is 0.10. Even FL-4 is no where near as effective as the 250 hz crystal filter in my Icom 718. When I turn on the 250 hz filter in the Icom, it's like building a wall right on each side of the signal that I am listening to. Nothing else is heard except noise and signals that are exactly on the same frequency. Is this kind of selectivity possible with the K2? If I installed the DSP option would that help? And if so, what would the filter settngs need to be? The only options I presently have are the 160 meter option, noise blanker, serial adapter, ssb option, and the KPA100. Thanks Scott N5SM ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber
Re: [Elecraft] ordered the kpa100
Hi Jack, I'm definitely interested in the K2 version panadapter. How about designing it to fit in the Elecraft EC2 case and selling the boards & components and let the buyer do the packaging. Shouldn't be a big deal for a kit builder to put a few holes in a case to mount the controls and connectors. No built in display needed if you can use a pc as the display. Keep us posted. See you in Dayton. Ken, KB8KE K2 #5534 - Original Message From: Jack Smith <[EMAIL PROTECTED]> To: Brett gazdzinski <[EMAIL PROTECTED]> Cc: elecraft@mailman.qth.net Sent: Monday, April 9, 2007 10:29:33 AM Subject: Re: [Elecraft] ordered the kpa100 Brett gazdzinski wrote: > I sent an Email to Jack Smith about a Z90 panadaptor kit, > but there are none left. > That would have been just the thing to go with the homebrew receivers > and the K2. > > > For Brett and the list. Yes, all the Z90/91 kits are spoken for. However, if there is enough demand, there might be a "son of Z90" kit later this year, more aimed at the K2 user, with reduced price and simplified functionality. It would also include an updated K2 IF buffer output board, perhaps slightly reduced in size via more components on the bottom. Whether this happens will depend on expressions of interest. I have a two simple projects to wrap up to show at Dayton (the Z1502 TDR adapter and, of more interest to the K2 community, the Z100 LED Tuning Bar CW and RTTY tuning aid, currently undergoing beta testing). So, if enough K2'ers want a panadapter I'll work on the new edition. Way too early for detailed information, other than it will likely have one selectivity position, around 2 KHz BW and will scan 500 KHz at max and perhaps 50 KHz at minimum. It will not have the signal generator output and will be capable of working with perhaps 2 IF frequencies, and those IF frequencies will be determined by a combination of hardware and software, i.e., no DDS in this model, as a cost-reduction feature. It will have software similar to the Z90-Control version 2.0, including "point and shoot" tuning for K2 transceivers. I would like to package it in a case similar in styling to the K2, but that's a real price point problem for the small volume I anticipate. If you want to see this happen, send me a message expressing your interest in purchasing such a kit, assuming a reasonable price. And, tell me how important it is to you to (a) have an LCD display versus computer-only and (b) would you be willing to pay an extra $75 for a K2-styled enclosure. (This also limits the size of the LCD, but that's probably necessary in the first place for reduced price design.) Jack K8ZOA www.cliftonlaboratories.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K2
Still available I offer for sale my K2 #5804 (kit price $629) with KAT2 ($169)and the Bencher RJ-1 ($105) that I use for a firm price of $650 (MSRP $903).USPS MO preferred. Please respond off list. RC kc5wa ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] RE: KX1 & K2
KX1 has been sold. Thanks to all who responded RC kc5wa ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] ordered the kpa100
Hi Brett, First, my condolences to you and your family for the recent death in your family. I split my kpa100 into an EC2 enclosure with the kat100 this past winter. If you search the reflector archives, you will find lots of info for doing this. I used the info found on Lyle Johnson's KK7P website: http://www.kk7p.com/k2kpa100.html. It contains a very detailed explanation with lots of pictures. Placing the kpa100 with the kat100 is very slick in that the RF and AUX BUS connections are internal between the two boards. It is a very neat looking setup. My design considerations were to allow me to remove the basic K2 from my setup for portable ops without some of the hassle of exchanging the tops (not that it is that much of a hassle). I also added the KB2 battery option and KAT2 to my basic K2 at the same time. Works well for me - YMMV. 73, Dave W8FGU > -Original Message- > From: [EMAIL PROTECTED] [mailto:elecraft- > [EMAIL PROTECTED] On Behalf Of Brett gazdzinski > Sent: Monday, April 09, 2007 9:17 AM > To: elecraft@mailman.qth.net > Subject: [Elecraft] ordered the kpa100 > > I just placed the order for the 100 watt amp. > I figured if I want to rag chew on CW I might need more then > the 12 to 14 watts of basic K2. > > Besides, the Elecraft stuff is so fun to build! > > Despite being sick all week and having a death in the family, > I have been speeding up my CW copy, with only numbers and > really poor sending being a problem now. > > I sent an Email to Jack Smith about a Z90 panadaptor kit, > but there are none left. > That would have been just the thing to go with the homebrew receivers > and the K2. > > Has anyone built the kpa100 and the high power auto ant tuner > into a standalone remote package? > Is that possible? > > Thanks for any info, > Brett > N2DTS > > > > > > ___ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] AUX not available for PC when using KAT100?
Doug, Jim, Tom, thanks for resolving my doubts! ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K1 Battery Voltage Readout Question - Blinking
Ralph Tyrrell wrote: Mike, let me correct my statement, you are correct. Looked at the ATTN LED in a darker darkend room and YES it is there. 73, Ty, W1TF, K1 #1423 "darker dark end room"? Is this a newer new grammar?? :-) sorry Ty, I couldn't resist ... Ron, wb1hga "if you see a fork in the road, take it" ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] ordered the kpa100
Brett gazdzinski wrote: I sent an Email to Jack Smith about a Z90 panadaptor kit, but there are none left. That would have been just the thing to go with the homebrew receivers and the K2. For Brett and the list. Yes, all the Z90/91 kits are spoken for. However, if there is enough demand, there might be a "son of Z90" kit later this year, more aimed at the K2 user, with reduced price and simplified functionality. It would also include an updated K2 IF buffer output board, perhaps slightly reduced in size via more components on the bottom. Whether this happens will depend on expressions of interest. I have a two simple projects to wrap up to show at Dayton (the Z1502 TDR adapter and, of more interest to the K2 community, the Z100 LED Tuning Bar CW and RTTY tuning aid, currently undergoing beta testing). So, if enough K2'ers want a panadapter I'll work on the new edition. Way too early for detailed information, other than it will likely have one selectivity position, around 2 KHz BW and will scan 500 KHz at max and perhaps 50 KHz at minimum. It will not have the signal generator output and will be capable of working with perhaps 2 IF frequencies, and those IF frequencies will be determined by a combination of hardware and software, i.e., no DDS in this model, as a cost-reduction feature. It will have software similar to the Z90-Control version 2.0, including "point and shoot" tuning for K2 transceivers. I would like to package it in a case similar in styling to the K2, but that's a real price point problem for the small volume I anticipate. If you want to see this happen, send me a message expressing your interest in purchasing such a kit, assuming a reasonable price. And, tell me how important it is to you to (a) have an LCD display versus computer-only and (b) would you be willing to pay an extra $75 for a K2-styled enclosure. (This also limits the size of the LCD, but that's probably necessary in the first place for reduced price design.) Jack K8ZOA www.cliftonlaboratories.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K1 Battery Voltage Readout Question - Blinking
> I guarantee that it does. But *only* while the LCD > is displaying the battery voltage. > > Mike / KK5F Mike, let me correct my statement, you are correct. Looked at the ATTN LED in a darker darkend room and YES it is there. 73, Ty, W1TF, K1 #1423 8:00? 8:25? 8:40? Find a flick in no time with the Yahoo! Search movie showtime shortcut. http://tools.search.yahoo.com/shortcuts/#news ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] AUX not available for PC when using KAT100?
David Wilburn wrote: Do the kits come with everything to make a Y cable Yes Be sure to read [and understand] the warnings about the IO connector. It is **NOT** a standard RS-232 serial port! Fred K6DGW - Northern California Contest Club - CU in the 2007 CQP Oct 6-7 - www.cqp.org ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] AUX not available for PC when using KAT100?
Dave and all, OK, the way it works is: The KPA100 (or KIO2) comes with a cable and 2 connectors (and backshells) to build the cable to connect to the computer. The KAT100 kit contains a length of cable and one connector to go onto the KAT100 end. The pins for the cable to the computer are different than the pins used between the KPA100 and the KAT100 (this is NOT an "RS232 cable" - the K2 is marked 'AUX I/O' and it means just that, DO NOT PLUG AN RS232 SERIAL CABLE ONTO THE K2). If you have both kits, you can build both ends of the cable at the same time - see the illustration in the KAT100 manual for the entire cable assembly. 73, Don W3FPR David Wilburn wrote: Do the kits come with everything to make a Y cable or do you need to order extra? David Wilburn [EMAIL PROTECTED] K4DGW K2 #5982 Gerard Provoost wrote: No, not true. From the plug in the AUX port in the KPA100 come two cables, one to your computer serial port and one as control to the KAT 100. 73 de Gerard PA1GP - Original Message - From: "ub5_073_oleg" <[EMAIL PROTECTED]> To: Sent: Monday, April 09, 2007 12:36 PM Subject: [Elecraft] AUX not available for PC when using KAT100? I'm thinking about purchasing KPA100 and KAT100 for my K2. Is the following true? KAT100 occupies AUX port of KPA100 and makes controlling K2 from PC (MixW etc) impossible. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] ordered the kpa100
I just placed the order for the 100 watt amp. I figured if I want to rag chew on CW I might need more then the 12 to 14 watts of basic K2. Besides, the Elecraft stuff is so fun to build! Despite being sick all week and having a death in the family, I have been speeding up my CW copy, with only numbers and really poor sending being a problem now. I sent an Email to Jack Smith about a Z90 panadaptor kit, but there are none left. That would have been just the thing to go with the homebrew receivers and the K2. Has anyone built the kpa100 and the high power auto ant tuner into a standalone remote package? Is that possible? Thanks for any info, Brett N2DTS ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 and CW
I did a head to head comparison between my K2 and a near-mint TS-830s. The 830s had dual 500 Hz factory filters (one in each IF) plus VBT to narrow things even further. The K2 is a late model unit and I put in 2 ground connections on each Xtal in the filter (per instructions). I found the K2 to be better at ultimate rejection than the loaded 830s. I also found the K2 to be a tad narrower than the 830s, even with the 830s VBT narrowed down. The 830s just didn't have the steep skirts nor ultimate rejection. My testing was done during a big CW contest when there were lots (lots!) of strong signals on the band. K2 won over a well respected rig. I find it really hard to believe that a starter rig (718) would have better filter performance. May be so, but you'd have to prove it to me. Makes me think the K2 isn't quite right yet. - Keith N1AS - - K2 5411.ssb.100 - ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] FS: K2 & KX1
Circumstances dictate what we do in life. Circumstances DICTATE that I offer for sale my K2 #5804 (kit price $629) with KAT2 ($169)and the Bencher RJ-1 ($105) that I use for a firm price of $650 (MSRP $903).USPS MO preferred. Also my KX1 #1727 ($299) with 30m mod ($29) KXAT ($89) with an American Morse KK1 key ($30) for a firm price of $300 (MSRP $447) USPS MO preferred. Before placing them on that other place I offer them here first. Please contact off list 72/71 de RC kc5wa ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] AUX not available for PC when using KAT100?
Do the kits come with everything to make a Y cable or do you need to order extra? David Wilburn [EMAIL PROTECTED] K4DGW K2 #5982 Gerard Provoost wrote: No, not true. From the plug in the AUX port in the KPA100 come two cables, one to your computer serial port and one as control to the KAT 100. 73 de Gerard PA1GP - Original Message - From: "ub5_073_oleg" <[EMAIL PROTECTED]> To: Sent: Monday, April 09, 2007 12:36 PM Subject: [Elecraft] AUX not available for PC when using KAT100? I'm thinking about purchasing KPA100 and KAT100 for my K2. Is the following true? KAT100 occupies AUX port of KPA100 and makes controlling K2 from PC (MixW etc) impossible. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 and CW
I have an 718 with the 250 Hz filter. That filter locks down things quite well, but it also allows "blow by" with large nearby signals that make things difficult also. In the short time I have been a CW op, the skill that Ron mentions is just starting to get to me. I have often been frustrated by other ops nearby. That is part of what drove me to the K2, was the many choices of filters. I agree with Scott, in the since, that I am seeking a way to make that last filter have more isolation capability without further attenuating the signal. Now that I have a little bit better idea what is going on with Spectrogram, after I have all the pieces finished, I plan on making another pass with that while sending some tones through and seeing what kind of tweaking I can accomplish. Scott, have you put your K2 through the Spectrogram alignments yet? I was not terribly impressed with the filters after the default settings were installed, but I was amazed after (several tries) I gave the filters a good alignment with Spectrogram. David Wilburn [EMAIL PROTECTED] K4DGW K2 #5982 Ron D'Eau Claire wrote: I can't speak about the 718 or the Elecraft DSP, but in my experience such "brick wall" filtering creates far more problems than solutions. A huge amount of unwanted stuff is produced by signals on the sharp edges of such a filter that appear throughout the passband - much of it is that 'noise' you mention. I work 99% CW and my K2 is seldom set for less than 1.0 kHz bandwidth. My minimum is 0.4 kHz used only when I get a "loudmouth" shouting from almost on top of the signal I'm copying. That occasionally happens during a contest, but that's about it. I do have a skill that a great many experienced CW ops have that might be the difference. We can copy easily with several signals within the passband. It's like listening to one voice in a crowded party; we just "tune out" the other babble going on around us unless it's something we want to follow. It only gets difficult if one nut starts shouting in my ear when I'm trying to listen to someone else, Hi! Ron AC7AC -Original Message- Hello I haven't had my K2 (# 5846 ) long enought to fully understand all the different settings that are possible with it , so I have a question. My CW filter setting are FL-1 1.50, FL-2 0.70, FL-3 0.40, and FL-4 is 0.10. Even FL-4 is no where near as effective as the 250 hz crystal filter in my Icom 718. When I turn on the 250 hz filter in the Icom, it's like building a wall right on each side of the signal that I am listening to. Nothing else is heard except noise and signals that are exactly on the same frequency. Is this kind of selectivity possible with the K2? If I installed the DSP option would that help? And if so, what would the filter settngs need to be? The only options I presently have are the 160 meter option, noise blanker, serial adapter, ssb option, and the KPA100. Thanks Scott N5SM ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Fw: [Elecraft] K1 Battery Voltage Readout Question - Blinking
Veeerrry interesting! Mine (#2136) does it also but the room has to be dark. Russ, N3CO - Original Message - From: "Mike Morrow" <[EMAIL PROTECTED]> To: Sent: Sunday, April 08, 2007 12:22 PM Subject: Re: [Elecraft] K1 Battery Voltage Readout Question - Blinking I have K1 # 1423, do not see ATTN LED blinking in a darkned room. I guarantee that it does. But *only* while the LCD is displaying the battery voltage. Mike / KK5F ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] RxAnt?
Put the RANT ON function under one of the PF keys to quickly switch it on and off. de Joe, aa4nn - Original Message - From: "Jim Miller" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: Sent: Sunday, April 08, 2007 11:32 PM Subject: Re: [Elecraft] RxAnt? excellent, thanks! this is going to be fun! jim ab3cv ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] AUX not available for PC when using KAT100?
No, not true. From the plug in the AUX port in the KPA100 come two cables, one to your computer serial port and one as control to the KAT 100. 73 de Gerard PA1GP - Original Message - From: "ub5_073_oleg" <[EMAIL PROTECTED]> To: Sent: Monday, April 09, 2007 12:36 PM Subject: [Elecraft] AUX not available for PC when using KAT100? I'm thinking about purchasing KPA100 and KAT100 for my K2. Is the following true? KAT100 occupies AUX port of KPA100 and makes controlling K2 from PC (MixW etc) impossible. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] AUX not available for PC when using KAT100?
I'm thinking about purchasing KPA100 and KAT100 for my K2. Is the following true? KAT100 occupies AUX port of KPA100 and makes controlling K2 from PC (MixW etc) impossible. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
