[Elecraft] KPA1500 operating posture
I have to temporarily re-arrange my amp table to troubleshoot one of my two amps. The only way to do it is to move the kpa1500to my main desk and place it on its left side with the rubber feet. I know heat rises but once the fans come on it should direct the heatout of the normal top vents. Is this a bad thing to do? BillK3WJV __ 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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 shipping
Joe There are 3 groups. Group one has at least 2 days. Group one day two orders should be filled by mid May. Do you know how many days arein group one? I know I don't, hi. I don't even know what group I am in. GL with your order. I am not gonna get too excited about expected shipping dates anymore. I look forward to them telling us that group oneis all shipped however long of a period of time that group is. BillK3WJV On Friday, April 23, 2021, 3:15:40 PM EDT, Joseph Trombino, Jr wrote: Howdy Gang. Getting excited now that my K4 should be shipping in the next several weeks. After all, the Mother Ship said that the Group 1 orders will be filled by the end of May (this May—grin). And I'm in Group 1 sooo………I’ll believe it when I see it (grin). Any K4’s shipped recently? Take care and stay healthy. CU on the bands, CW of course! 73, Joe W2KJ I QRP, therefore I am __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] Do not use K4 "Restore Defaults" button
Gee, who actually owns a K4 to push the buttons? I didn't know anybody out there had one yet. Hoping I get mine before the Fallcontest season. BillK3WJV On Friday, April 16, 2021, 1:36:05 PM EDT, Wayne Burdick wrote: In the UPDATE function of the K4, there's a DETAILS button which leads to a tentative backup/restore feature. This will be replaced by a new backup/restore function (CONFIG) that's easier to use and accessible at the top level. One of the buttons on the current Backup/Restore screen is "Restore Defaults," which does a full reset to factory defaults. We intended to remove this because it resets TX GAIN calibration and other data. This, too, will be handled in a more nuanced fashion under the CONFIG function. Please don't use "Restore Defaults". While the backup/restore routines work, we'd suggest not using these either. CONFIG will do a much better job of managing your backup needs. Thanks, Wayne N6KR __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] Why is my K3 off frequency?
I too couldn't believe all the advice given on how to properly ascertain you were on frequency on an ssb signal. And just how do youzero beat an ssb signal? You would have to know what the person actually sounds like in person for one thing. Does he sound likeDonald Duck or Darth Vader? Get real. BillK3WJV On Thursday, March 25, 2021, 6:47:50 AM EDT, Charlie T wrote: Are y'all STILL grousing over this? Haven't you figured out yet it was all a big "gotcha" joke poking fun at the "frequency police"??? Let's all have a big laugh and get on with life. This subject was DOA anyway. 73, Charlie k3ICH __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA 1500 fan speed at turn off
I just keep it on until the temp dies down. If I'm in a hurry to shut it off I turn the fans on manually to cool it faster. BillK3WJV On Thursday, January 21, 2021, 5:59:20 PM EST, Howard Sherer wrote: Wouldn't it be a good idea to keep the fan turned on in the KPA-1500 after you power it off till the internal temperature reaches its lower temp? Howard __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KIOB3B for K3
If you've been inside the radio you will be fine. I too like Elecraft very much. K3-P3-KPA1500 73 BillK3WJV On Saturday, August 1, 2020, 11:35:36 AM EDT, David Ferrington, M0XDF wrote: Hi Bill, yes, it’s one of the first 200 that people pre-ordered and waited nearly a year for, then built themselves (I liked Elecraft, but must say I thought the K2 a little long in the tooth, I was about to buy an FT-2000 - had the money and everything, then Elecraft announced the K3 - well I can tell you, it didn’t take more than 5 mins to get an order off). Never regretted it and love the Elecraft company and service AND the community. Have a P3 (again preorder) and lots of other products. I have no problem inside the rig etc (it’s quite packed in there now), just haven’t upgraded the firmware for a while. I think I’ll be fine - just waiting for the weather to change - it’s a ‘wet day’ type thing. Thanks for replying and the ‘good luck’. 73 de David, M0XDF (K3 #174, P3 #108)-- A good cook is like a sorceress who dispenses happiness. -Elsa Schiaparelli, fashion designer (1890-1973) On 1 Aug 2020, at 16:13, Bill Stravinsky wrote: David Wow, #174, it sure is on the old side, hi. I have a fairly early one #2995 from 2009. I already had F/W 5.66 so no need to upgrade for me. The instruction manual advises to upgrade the firmware before installation.The installation is really very easy although I have had mine apart several times for other upgrades over the years and am comfyinside the radio. I had already done the mod for the KXV3B so was familiar with that area of disassembly but I think this KIO3B install was even easier. Good luck with the install. Should only take a couple hours if you've done the KXV3B and are familiar but if its your first adventurein modifying the K3 just take your time and don't force anything. BillK3WJV On Saturday, August 1, 2020, 6:58:41 AM EDT, David Ferrington, M0XDF wrote: Bill, I did the same but not fitted yet - would be interested to know your thoughts on fitting. i.e. did you do a F/W upgrade first etc (mines a bit old). 73 de David, M0XDF (K3 #174, P3 #108)-- Always remember, half the people in the world are above average intelligence! On 31 Jul 2020, at 07:00, Bill Stravinsky via Elecraft wrote: I just bought that KIO3B card a few weeks ago. Nice to just have the USB cable do the work of the serial connection and have the audioon its own codec. Still available from the factory as far as I know. BillK3WJV On Wednesday, July 29, 2020, 10:18:47 AM EDT, Roger D Johnson wrote: Apparently this card is no longer available. Does anyone know what the price was? 73, Roger __ 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 Message delivered to k3...@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 Message delivered to m0...@alphadene.co.uk __ 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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KIOB3B for K3
David Wow, #174, it sure is on the old side, hi. I have a fairly early one #2995 from 2009. I already had F/W 5.66 so no need to upgrade for me. The instruction manual advises to upgrade the firmware before installation.The installation is really very easy although I have had mine apart several times for other upgrades over the years and am comfyinside the radio. I had already done the mod for the KXV3B so was familiar with that area of disassembly but I think this KIO3B install was even easier. Good luck with the install. Should only take a couple hours if you've done the KXV3B and are familiar but if its your first adventurein modifying the K3 just take your time and don't force anything. BillK3WJV On Saturday, August 1, 2020, 6:58:41 AM EDT, David Ferrington, M0XDF wrote: Bill, I did the same but not fitted yet - would be interested to know your thoughts on fitting. i.e. did you do a F/W upgrade first etc (mines a bit old). 73 de David, M0XDF (K3 #174, P3 #108)-- Always remember, half the people in the world are above average intelligence! On 31 Jul 2020, at 07:00, Bill Stravinsky via Elecraft wrote: I just bought that KIO3B card a few weeks ago. Nice to just have the USB cable do the work of the serial connection and have the audioon its own codec. Still available from the factory as far as I know. BillK3WJV On Wednesday, July 29, 2020, 10:18:47 AM EDT, Roger D Johnson wrote: Apparently this card is no longer available. Does anyone know what the price was? 73, Roger __ 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 Message delivered to k3...@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 Message delivered to m0...@alphadene.co.uk __ 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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KIOB3B for K3
I just bought that KIO3B card a few weeks ago. Nice to just have the USB cable do the work of the serial connection and have the audioon its own codec. Still available from the factory as far as I know. BillK3WJV On Wednesday, July 29, 2020, 10:18:47 AM EDT, Roger D Johnson wrote: Apparently this card is no longer available. Does anyone know what the price was? 73, Roger __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] Power can be set only to 12W on 100W version
In the event you have a very old K3 (serial number approx 3000 or earlier) you might need to replace some plugs on the final amp. As has beensuggested the first thing to do would be to contact Elecraft. Good Luck. BillK3WJV On Sunday, April 12, 2020, 2:11:23 PM EDT, Nr4c wrote: Contact Elecraft customer service. Sent from my iPhone ...nr4c. bill > On Apr 12, 2020, at 12:55 PM, Erwin Witt - DK5EW wrote: > > > Hi all, > > suddenly I can set the power of my K3/100W version with the power knob on > shortwave only to max 12W and on 6m only to 8W. > > That all happened when I was operating on shortwave the K3 got's suddenly > very hot. Hope that the finals did not shot. > I checked the KPA3 setting it is on "nor". > > Any help on that ? > > 73's Erwin/DK5EW > > PS: now Text email not html hope it arrives > > > __ > 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 > Message delivered to n...@widomaker.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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] Latest rumors on K4
When the KPA1500 came out I was one who said I should wait for it to be fully tested and out for a while before thinking about getting one. That is why I fairly earlysent my full deposit in to get the free shipping and get on the waiting list, hi. I did the same thing on the K4 and I did good by waiting until 6 days ago before sending in my full deposit for a K4HD. I figure I can play with the K4D for a few monthsand get real familiar with it then install the HD option when it comes out. I will be way down on the early list but at least it will be the first group. I plan on retiring my FT1000mpbut will use it and my K3/P3 until the K4 comes in. Merry Xmas to all (esp me, hi) BillK3WJV On Friday, December 20, 2019, 10:51:19 AM EST, Joseph Trombino, Jr wrote: Howdy Gang. Has anyone picked up any intel from the Mother Ship on the K4 delivery schedule? Not much on the website lately on the subject. 73, Joe W2KJ I QRP, therefore I am __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
[Elecraft] KPA1500 display on 28mhz
In the recent 10 mtr contest over the weekend, after just a couple transmissions the display goes berserk and then just displays "28 MH with PWR under that".Then when transmitting the PWR will read anywhere from 1 to 4 digits of the power. It will stay that way until the amp gets switched off then when turning it backon it will do the same thing after a transmission or two. I thought I saw this reported at one time and wonder if there are any explanations of this behavior? It works fine its just the display missing its normal readoutof everything to the right of what is showing. BillK3WJV __ 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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] The ERR 12V Message Question
The problem is in the male and female connectors. I don't think a shorter power cable will do anything. There is no substitute for replacing the connectors.When I had mine act up Elecraft sent me the wrong parts. I had a contest coming up and wouldn't have enough time to get the correct parts. I took the boardout and cleaned the pins (you could see they were discolored and needed replacing). That worked for the upcoming contest and didn't fail all weekend and for 2 or 3 more weeks then the ERR 12v fault returned. I had received the correct partsshortly after the contest weekend and did the replacement. All has been fine since. That was almost two years ago. BillK3WJV p.s. The complete repair took a lot less time than I thought, an afternoon as I recall. On Wednesday, July 3, 2019, 12:43:08 PM EDT, Drew AF2Z wrote: It's been a while since I did mine but I think disassembly/reassembly was a significant part of the effort. I did the front panel connector at the same time as the power connector. The actual removal of the connectors and soldering new ones went pretty quickly. I'm not sure I'd want to go through the disassembly for a "quick fix" only to have to do it again in another month. You might want to refer to online blogs about the process, or Youtube videos (if any). Sorry, I don't have the links, but one hint: after you snip the connectors off the board use an alligator clip to grasp the pin stubs for desoldering; it's easier than trying to manage it with a pair of dikes. 73, Drew AF2Z On 07/02/19 21:07, Joseph M. Durnal wrote: > I'm not sure if I am experiencing the KPA3 power connector issue or > not. I've gotten the ERR 12V message twice today. Powering the K3 > off and on again will clear the message, but it came back, but cleared > again after a power cycle. > > And, as I type this while transmitting some FT8 in the background, it > gave me the error message again. The full Elecraft K3 KPA3 Power > Connector Replacement procedure looks like something I won't have > time to do until next month, is there a quick bandaid I an try until > then? Also, is it safe to use the K3 at 10 watts until I get it > fixed? > > Thanks & 73 de Joseph M. Durnal - NE3R > __ > 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 > Message delivered to pu...@af2z.net > __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] Silent power supply for a K3s
Somewhere around 1980 I was talked into buying a power supply at a hamfest by my good friend who was a great technician. He told me it was a terrific deal. He was right. I don't remember what I paid for it but I know it was lessthan $100. It was a 56 amp rack mounted Llamda metered supply. The model is an LM G12-M. I believe it weighs about 75 pounds. I used to have it in a relay rack at my old QTH shack. In my present shack I have it sitting on a furnituredolly which makes it easy to roll around on the floor. It sits under my desk. It developed an audible arc when turned on so I leave it on 24 - 7. I'm sure the new cost of it would be pretty high but I'm so glad I followed my friend's advice tobuy it. No RFI and no fans. BillK3WJV On Sunday, June 9, 2019, 4:30:07 PM EDT, Ken Winterling wrote: I use an IOTA DLS-55 SMPS power supply (https://www.iotaengineering.com/ dls55.htm). It provides 55 amps, doesn’t produce RFI, is audibly quiet, and rugged. Mine is mounted under the radio table and is on 24/7/365.. I never hear it. Iota also makes them in other output currents and voltages. Ken WA2LBI On Sun, Jun 9, 2019 at 3:27 PM Bob McGraw K4TAX wrote: > I find Mark's point very important. Obtain and use a supply which is > more than adequate for the service or load. Thus a 25 amp supply > feeding a radio drawing 20+ amps will need lots of cooling. This is > not the way to do it. Get a 50 amp supply for a radio drawing 20+ amps > and the fan(s) will likely never come on. Go the cheap way and get > the cheap results. Do it right and be happy. Don't be a cheap ham > and then complain about the product you purchased. > > There is more to choosing a power supply than volts and amps. How about > duty cycle? And CCS rated supplies vs. ICAS rated supplies. Humm... > > 73 > > Bob, K4TAX > > > On 6/9/2019 2:12 PM, Mark Murray via Elecraft wrote: > > Peter, > > > > Check out the high amperage 13,8 volt power supplies offered by Samlex > > America at the following link, and in particular their 100-amp -plus > > (continuous) supplies where the fans do not activate for low draws. You > had > > mentioned something about price not being so important. These ain't > cheap. > > 73 de Mark .w2or. > > > > __ > 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 > Message delivered to wa2...@gmail.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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] Elecraft / IC-7610 comparison
Wayne Please stop trying to distract me. I am trying very hard not to visualize the K4HD taking the place of my ft1000mp already sitting next to my loaded K3 with P3 (K3 purchased in 2009 serial #2995).I also replaced my manual tune Alpha with the KPA1500 (serial #153) and that combo is one of my so2r stations. I also have the Acom2000A but that is the companion of the ft1000mp. If I give intoseeing that K4HD instead of the Yaesu ft1k I will have to keep the Acom instead of getting a 2nd KPA1500. I apologize, I think. BillK3WJV p.s. I am still partial to tube amps though, hi, but do love my kpa. On Monday, May 20, 2019, 8:40:56 PM EDT, Wayne Burdick wrote: > Charlie, K3ICH, wrote: > > OK, So why should I [pejorative deleted] my IC-7610 for a K4? Hi Charlie, The '7610 is an impressive and capable radio. We have one in our shop and have put it on the air. It's a bit of apples/oranges comparison to the K4, though. Since you asked ... here are some K4 characteristics to consider: * Controls -- The K4's UI is quite different, borrowing heavily from the K3, but with an infusion of versatility due to the 7" display. It has the widest available viewing angle and is very bright. (K4 tire-kickers at Dayton were extremely complimentary about the display, which was gratifying after 200 or so iterations on the concept drawing by yours truly.) There are three multifunction knobs (not just one), each mapped to a semantic group, e.g. "XMIT". Their functions adapt to the current operating mode, etc. On the right side of the radio there are three 400-count, ball-bearing drive optical shaft encoders, for VFO A, VFO B, and RIT/XIT offset. No need to multi-task one or two controls. Bottom line: ease of use. If you do get stuck, there's a built-in help system. * Dynamic range -- The K4 is a direct-sampling, dual-receiver radio in its base configuration. But those in high-signal environments can add the dual superhet module to realize a 20 to 25 dB improvement in headroom (blocking dynamic range) over any radio that is direct-sampling only. This is the same delta as, for example, a K3S vs. any other non-superhet on Sherwood's list. * Portability -- The K4 weighs only about 10 pounds, draws only about 2 amps on RX, and can run down to 11 volts. It will try to drag you off to a Field Day site or remote island if not bolted to your desk. • Remote control -- The K4 comes with remote-control via Ethernet built in. One K4 can controlled by another, or by a tablet or PC. Eric must have demonstrated this 500 times at Dayton and I daresay he's getting good at it. * Modularity -- We segregated the K4's modules in such a way as to facilitate easy update to units in the field if/when new tech becomes available. For example, we could quickly and cost-effectively incorporate a new ADC or DAC. Call it planned non-obsolescence. This the 20th anniversary of the K2, and the 10th anniversary of the K3. Both are still shipping. * Extensibility -- In addition to the HDR module, the user will be able to add a VHF/UHF module, which in turn could morph in the future. This philosophy extends to software as well, given the K4's general-purpose computing module [not Windows]. I like to think of it as our "app engine," limited only by the imagination of our software team and other talented contributors. * External monitor output -- HDMI, not DVI. (To each his own?) * Tuning aid -- The "mini-pan" is one of our favorite features of the K4. When you tap on a signal you don't just get a geometric magnification of the main panadapter's pixels; you get a re-sampled, high-resolution spectral display of as narrow as +/- 1 kHz (varying per mode). This is great for signal auto-spotting and left/right peak search. The mini-pan is per-receiver and can either be turned on automatically or by tapping either S-meter. • IO -- The K4's IO is a superset of the K3's, meaning it comes with all of the analog and control I/O you might need as well as 4 USB ports, Ethernet, etc. * Antenna sources -- There are up to 3 ATU antenna jacks and up to 5 receive antenna inputs. 73, Wayne N6KR __ 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] Elecraft IC-7610,
Yeah, the 7610 surely resembles the K4. But how different can you make a rig with 2 vfo's and touch screen very much different looking. Take the top and bottomcovers off each rig and see what's inside and hook each up to an antenna and see how they perform in contest condx copying some weeny teeny signal. There is a reason the 7610 is different than a K4 and it's not only the price. But the 7610 is a decent radio too. It all depends on what you want sitting on your shackdesk. Whatever tames your pileups. The K3 is one of the best radios I have used and am glad I decided to buy it in 2009. I've listened to a lot of radios since 1963. BillK3WJV On Monday, May 20, 2019, 5:15:01 PM EDT, Charlie T wrote: No, you didn’t miss anything. No one “said” I should do anything. However, it’s obvious to me that the K4 is basically an IC7610 on muscle building steroids and probably has an infusion of alien technology (new stuff, not the old 1947 Roswell cache). There are features and performance that far exceed the Icom’s capabilities. Even though, on the surface, they “look” somewhat alike. My question (only to myself, but rhetorically stated) is should I make the switch? 73, Charlie k3ICH From: David Bunte Sent: Monday, May 20, 2019 2:38 PM To: pin...@erols.com Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft] Elecraft IC-7610, Charlie - I have not read EVERYTHING in this thread... but I sure don’t recall anyone saying you should get rid of your IC-7610. Maybe I missed something. Dave - K9FN __ 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 Fan Control Command?
The K3 gets warm (very warm actually) just sitting there without xmitting, hi. Especially the right side closer to the front. That is just normal. That was in a post many months ago. BillK3WJV On Sunday, December 9, 2018, 6:51:38 AM EST, eric norris via Elecraft wrote: Has there been any thought given to adding a fan control command to the K3/K3S? It would be nice to get some cool air inside the radio after repeated extended digital transmissions below 12 watts. The radio gets very warm. 73 Eric WD6DBM Sent from Yahoo Mail on Android __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KX3+KXPA100+KPA1500 band data?
If there is no way for you to send band data from the kx3, the kpa1500 should change it's band with one transmitted dit, same as the Acom2000a. BillK3WJV On Monday, October 8, 2018, 7:48:32 AM EDT, eric norris via Elecraft wrote: Is there a way to send band data from the kx3+kxpa100 combo to the kpa1500? I keep forgetting to change bands. 73 Eric WD6DBM Sent from Yahoo Mail on Android __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] CW with my K3s and KX3
A suggestion I didn't see suggested - mine is ditch the cw readers. If you use a reader, cw is going to be purely digital and its not meant to be that.Its not ft8! Yes get over the shy thing too. You won't get a report card on your Qso ability. You know what they say - the more you do it - - -.It will get to be fun, or it should. Thats the way its supposed to work anyway, hi. CW is a special thing but when you can get your head to read it instead of a reader it might surprise you. You're missing a lot with a reader I think. Just my opinion. GL Mike. BillK3WJV On Friday, October 5, 2018, 3:19:13 PM EDT, Michael Blake via Elecraft wrote: I have received many very good suggestions which I will give a try. I think the term “key shyness” is what I need to get over. All were very good suggestions! Thanks. Several questions (2) about readers. I find the Elecraft K3s, and KX3 readers along with the K42, CWGet and fldigi readers to all be equal over time. My favorite reader is “CW Morse” which runs on Mac OS and iOS. They all seem to detract from the fun of the hunt in some way. Again, thanks for the nudges and pushes which I will try. Time to close the thread I suppose. Very 73 - Mike - K9JRI > On Oct 5, 2018, at 11:29 AM, Michael Blake wrote: > > A bit off topic but I think many Elecraft users are CW people. My station is > completely set up for good CW (K3s, KPA500, KAT500, KX3 with paddle, > Vibroplex Code Warrior) and I can send and copy relatively well up to about > 20 WPM but I seem to lack the interest to grab the horns and actually engage > in a CW contact. I have several very good code readers and CW keyboard > applications but I believe they actually prevent me from really getting into > it. > > Any suggestions in how to actually create some interest or thrill that will > entice me to engage in more CW operations? > > If you wish to reply off line please use k9jri at Mac dot com. > > Very 73 - Mike - K9JRI > > > > > > __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] Filter Recommendations
I opted for a 2.1 ssb filter hoping to be able to enjoy phone contesting just a little bit more but so far I haven't found the magic elixir for phone.I only replied to the post after seeing "information garbling" from Don. That is exactly what happens to me with whatever filter or passbandsetting I have tried in my K3 during a phone contest. Btw, that is during major DX contests, I can handle the smaller ones but normally don't, hi. BillK3WJV On Sunday, August 26, 2018, 9:53:41 AM EDT, Don Wilhelm wrote: Lee, The 2.8kHz filter has a flatter passband and steeper skirts than the 2.7kHz. But remember that this is a roofing filter, the DSP provides the actual filtering for the K3/K3S. The purpose of the roofing filter is to keep strong adjacent signals from overloading the Hardware AGC and the ADC at the input to the DSP circuits. A strong signal that is inside the passband of the roofing filter, but outside the passband of the DSP filter (you may not hear that signal since it is outside the DSP filter) can cause receiver AGC "pumping" and in extreme cases can overload the ADC causing severe "information garbling". 73, Don W3FPR On 8/26/2018 8:45 AM, Lee Murrah via Elecraft wrote: > I am looking to upgrade my K3S with filters and am using the DX version of > the radio as a guide. What is the advantage of the 2.8 KHz filter over the > stock 2.7? What does the 2.1 KHz filter do for you? > __ > 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 > Message delivered to donw...@embarqmail.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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA-1500 PSU mounting position
Interesting. I just told my friend W2irt that it was OK for vertical mounting of the power supply from the several posts on here a few months ago and I thought onewas from Elecraft. Its hard to imagine vertical placement of the power supply being a problem. It never even approaches getting warm unlike the rf deck. BillK3WJV On Monday, August 20, 2018, 12:24:55 PM EDT, Bob via Elecraft wrote: Well maybe this requires a reply from Elecraft. They seem to be furnishing conflicting information on this. I asked that question and here is the reply I received: Elecraft: Placement of the power supply can be anywhere within the 5.5 ft distance of the power supply cable and control cables, both of which are 5.5 ft. Air passing through the power supply is from left to right in a horizontal manner. This means that it will not work properly standing on its side. Seems logical that setting it on the side would restrict the air flow severely. I'd have liked to place mine vertically on its side but did not based on this. Mine sits under the desk on a riser so I did not lose foot space. I did not require easy access to the switch as I totally kill the equipment circuits in the shack at shutdown. 73, Bob K2TK ex KN2TKR (1956) & K2TKR On 8/20/2018 9:33 AM, Dauer, Edward wrote: > Before mine arrived a few weeks ago I put exactly that question to Elecraft > Support. The reply was that there would be no problem mounting the PS > vertically, so long as the air clearances are observed for the air flow -- I > believe it's three inches at the top and at the rear, but the manual is > pretty clear on that. I've mounted mine that way. When sitting on its side > the On-Off switch is conveniently near the top-rear edge. Works FB. > > Ted, KN1CBR > > > -- > > Message: 21 > Date: Mon, 20 Aug 2018 00:09:09 -0400 > From: "Peter Dougherty" > To: > Subject: [Elecraft] KPA-1500 PSU mounting position > Message-ID: <004401d4383b$8c21ac70$a4650550$@net> > > Hi All, > My KPA-1500 arrived over the weekend and I've not gotten a chance yet to >set it > up. In looking at both the amp and the power supply I noticed both have >carrying > handles and rubber feet. Are these rubber feet just there for >transporting the > untis, or can the power supply actually be run vertically with equal >efficiency > and cooling as it would be horizontally? If so, that would fit my >operating desk > perfectly. > > > > Thanks in advance. > Regards, > Peter W2IRT __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA-1500 PSU mounting position
Yup, you can run the power supply vertically just fine. BillK3WJV On Monday, August 20, 2018, 12:12:16 AM EDT, Peter Dougherty wrote: Hi All, My KPA-1500 arrived over the weekend and I've not gotten a chance yet to set it up. In looking at both the amp and the power supply I noticed both have carrying handles and rubber feet. Are these rubber feet just there for transporting the untis, or can the power supply actually be run vertically with equal efficiency and cooling as it would be horizontally? If so, that would fit my operating desk perfectly. Thanks in advance. Regards, Peter W2IRT __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 - temp reading drops 10C when under power
I noticed this problem shortly after getting my 1500 back in May. I only see this problem on 40 mtrs for some reason. I've never seen a 10 degree fluctuation but itis regularly 6 degrees and has approached 8 degrees. I only work cw for the most part. I see it all the time when the duty cycle goes up like when contesting and thatis when I start looking at the temp more often so that's how I noticed it to begin with.. I've learned to live with it, at least for the time being, for the following reason. I contacted Elecraft and talked with one of the engineers. Apparently this problem was addressed during early engineering but leave it to me to be the first one toexperience this. He explained that there might be a possible fix for it that would require installing a cap, most likely an SMD type. I would be more comfy with a discretecomponent, hi. But the jist of the conversation was that its just a touchy temp sending device. I downloaded some file from the utility program and I don't think thetrouble was exposed in the file for some reason after I sent it to them. Film at eleven. BillK3WJV. On Saturday, August 18, 2018, 12:49:55 AM EDT, Jeff Blaine wrote: While running the KPA1500 in the SARTG tonight, I noticed that the temp reading drops about 10C when transmitting. min fan speed 1. Seems to be related to power - at 1500W it's pretty close to 10C. At lower powers, it's less of a difference. I don't recall seeing that before. Normal? 73/jeff/ac0c alpha-charlie-zero-charlie www.ac0c.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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPOD
Love the Kpod. Even though I was very comfy with the RIT even with the tiny knob, I got very used to it. But during a contest it required reaching across the keyboardand taking my right hand away from the keyboard. The Kpod sits right next to the number pad. I only ever use it for RIT, not direct vfo tuning. I have CAT commandsin the n1mm messages for cw to clear the RIT after the F3 tu msg and also in the CQ msg. Right next to the number pad is close to the enter key on the right of thekeyboard for serial number contests. I don't do a lot of phone, only twice a year for contesting, but I have macros in F1 thru F4 for keying the M1 thru M4 buttons for the dvk. Its a great accessory. BillK3WJV On Tuesday, June 26, 2018, 12:12:16 AM EDT, Edward via Elecraft wrote: Is anybody using the KPOD and if so, seeing it’s benefit? 73, Ed NI6S __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 connecting cable to K3
I purchased two aux cables so I could put the amp on a separate side table with my Acom 2000A. It was interesting that I never got a direct answer on theexact length of a single cable, hi, but the two cables together were a perfect decision. BillK3WJV On Saturday, June 16, 2018, 10:31:43 AM EDT, Art via Elecraft wrote: Is there any provision for extending the standard Elecraft cable that is only about 3 ft to accommodate placement of the 1500 a little further away? 6 or 7 ft. would be ideal in my situation. 73, Art KZ5D __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] Default K3 transmit delay may be too short for slow QRO amplifiers
I have a foot switch but only use it generally on Sunday of a weekend contest. That's when my throat needs unfleming or whatever that iswhen your voice is overworked but I always just use vox if possible. In the older days it was PTT but with a desk mic and not a foot switch.But my foot switch is always there if I need or want it, just have to drag it forward a little and place it in the "spot" where my foot can get to it. I'm not a phone guy but when I bought my K3 in 2009 I opted for the dvk and that is more valuable than a footswitch will ever be. Too badI only get to use it twice a year in ARRL & CQ dx phone tests, hi. BillK3WJV On Friday, June 8, 2018, 4:26:22 AM EDT, Jim Brown wrote: On 6/8/2018 1:05 AM, Dimitry Borzenko wrote: > Why in the 20 century we need to use foot switch? Hi Dimitry, I strongly agree. I HATE foot switches, because I'm very poorly coordinated. :) I've never used anything but VOX in my own station for any mode, and I do RTTY, CW, and SSB contesting, run FT8, JT65, JT9, MSK144 for small signal work. With every rig I've owned since 2003 (when I had time to back on the air) I've been able to set the delay between transmitted RF and the DC signal to pull in the TR relay for a power amp to the value that my amps have needed. The high quality, well designed amps I've used have never needed more than 8 msec. That's me. Everyone is different. :) 73, Jim K9YC __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 Fan Noise - Not An Issue
Well said, Don, and I agree. Its not an issue with me either. Even though its my first solid state amp I realize the need to cool it. They're already up to suggestingwater cooling. I think we need to talk about hydrogen cooling, something the radio room on the Enterprise from Star Trek might have, hi. The future firmware change might ease some of the "issues" some may have. Even with that change I will still manually set the fan speed to 2 or maybe 3 duringheavy contesting depending on the situation at the time. I still prefer tube amps like my Acom 2000a but am glad I bought and own the kpa1500. BillK3WJV On Sunday, June 3, 2018, 7:36:52 PM EDT, Don Butler wrote: A post this afternoon refered to KPA1500 fan noise as an "issue" that might need to be addressed. I personally think that is an unfair suggestion. Fan noise with this amplifier is NOT an issue to me. I have made previous comments and have also posted a video on this thread, and if I have given the impression that fan noise is a problem in my shack I apologize, because that is simply not the case. Quite frankly, I think all the hubbub about KPA1500 fan noise is a huge overreaction. The reality is that the fans will NEVER be required in most operating situations. I've had my amplifier for three months now, and it has gotten many hours of use. Typically, with the amp idling in standby as I tune and complete occasional short CW QSOs, the fans NEVER do kick on. And if they do they will rarely rise above Level 2. Levels 3, 4 and 5 may be required during very heavy duty only, and, at least at my station, I cannot foresee that happening more than 1 or 2 percent of the time. I have manually selected level 3 on just two occasions, and have never had to use levels 4 or 5. I personally believe that folks out there are fretting over fan noise that may never occur. IMHO the KPA1500 is a great amp. Amps are going to get hot. The more an amp is put into transmit mode the hotter it's going to get. So it has to be cooled. There's no free lunch. When my amp does get hot enough to require speed level 3 or above I will simply put on my earphones and continue to operate (I use earphones most of the time anyhow). As I mentioned above, in the three months that I have owned this amplifier, I have manually switched to level 3 just two times (once while CQing for hours while running in a CW contest and once when I spent about 30 minutes chasing a DX station in a major CW pileup). To me, increased fan cooling capability is one of the KPA1500's uniquely great features. Yes, the fans create noise, but they also rapidly cool the heat sink (probably better than any other amplifier out there). But folks seem to be more concerned about this noise thing when (I think) they should really be appreciating the KPA1500's superior cooling capabilities. I think we should get over this fixation on noise and just enjoy our amplifiers. As far as I'm concerned fan noise is NOT as issue with the KPA1500. Don, N5LZ KPA1500 S/N 45 __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] Fan speed on meter?
Jim Thre only fan speed option on the LCD screen is the manual setting. When the fans operate on auto there is no indication other than hearing the difference. BillK3WJV On Saturday, June 2, 2018, 10:27:14 PM EDT, Jim N7US wrote: Sorry, I forgot that I'm asking about the KPA1500. 73, Jim N7US From: Jim N7US Sent: Saturday, June 2, 2018 21:21 To: Elecraft Reflector (elecraft@mailman.qth.net) Subject: Fan speed on meter? Maybe I've overlooked it, but I don't see a meter display option that shows the current fan speed. Is there one? 73, Jim N7US __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
[Elecraft] KPAK3AUX maximum length
I had asked Elecraft back in August when I ordered my 1500 about making a longer cable. This was the response back then: Thanks for the contact. To your questions on the AUX cables, you can actually connect 2 of them in series without a problem. This will give you about 6 feet of cabling. We've tested this with our E850463 cables on a KPA500 and it will work, assuming you don't have a problem with RF in the shack at 1500 watts. The limiting factor in extending the AUX cables is that the high-speed, single-wire AUX BUS system we use in the K3/K3S is extended to the KPA1500 so that the amp can 'talk' to the radio. The increased capacitance of the AUX cables are the limiting factor as extender cables are added. So, plan on a maximum of 6 feet or 2 E850463 AUX cables. Now that was back then and I don't know if there has been any more testing or engineering accomplished. I opted for two cables to let me put the amp where I wanted it. I had seen an article about making a longercable for the kpa500 by AD5X. BillK3WJV __ 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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA-1500 Fan Noise
After I ordered my kpa1500 back in August I asked that same question to Elecraft. My intent was to make my own AUX cable to put the amp where I wanted.The response was that the AUX BUS can only be so long and it was hinted that about 7 or 8 ft might be the most you should have. Since one AUX cable wouldn'tbe nearly enough I ordered two of them and have the amp where I originally planned to put it. The AUX BUS line is the critical one. BillK3WJV On Saturday, June 2, 2018, 1:46:06 PM EDT, James F. Boehner MD via Elecraft wrote: I would ask someone from Elecraft to respond to the VGA extension cable question. It seems everywhere I read within Elecraft Documentation is that standard VGA cables should NOT be used. In regards to extensions, I do not know if they all work pin to pin, or that they are meant to just extend standard VGA cables. It certainly would be a way to extend the distance between the K3/K3S and the KPA1500, but still retain the functionality between the two. When the new firmware comes out, and the amp can be controlled by the function buttons on the K3 (PF1-operate/stby and PF2-antenna switch), it would be a sure winner. '73 de JIM N2ZZ [Since the cable pin out is straight thru I would imagine a DB15 VGA M-F extension cable would suffice?] -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Les Peters Sent: Saturday, June 02, 2018 12:08 PM To: elecraft@mailman.qth.net; elecraft-requ...@mailman.qth.net Subject: Re: [Elecraft] KPA-1500 Fan Noise Jim I agree with your personal observations. I run some high duty cycle modes so I notice the fans kicking into speed 3 a lot when the PA temp gets to 68-70 degrees. That setting does a good job of reducing the temp and keeping it from climbing past 73 degrees. I've changed my min fan speed threshold from 0 to 1 to also help. As you have pointed out 1 is barely perceptible and this helps to reduce the amount of time that fan speeds are on 2+. I'd like to have more separation between the K3S and the KPA1500 RF deck to further distance any noise but the KPAK3AUX cable is only about five feet long, it would be great if that were more like ten feet. Since the cable pin out is straight thru I would imagine a DB15 VGA M-F extension cable would suffice? That would put the potential fan noise even further away but have the RF deck still plenty close enough to view. Les, N1SV #113 > Date: Fri, 1 Jun 2018 23:07:20 -0400 > From: "James F. Boehner MD" > To: "'Elecraft Reflector'" > Subject: [Elecraft] KPA-1500 Fan Noise > Message-ID: <002901d3fa1e$d39e0db0$7ada2910$@yahoo.com mailto:002901d3fa1e$d39e0db0$7ada2910$@yahoo.com > > Content-Type: text/plain; charset="utf-8" > > Just thought I would add a few thoughts as far as the fan noise. > > I'm not certain a YouTube piece would help, but perhaps personal observations might. > > First, via the menu, you can select the minimum fan speed, 0-5. Of course, the fan speed will go up with the Amp temperature. > > These are my personal observations: > > 0-Nothing > 1-Barely perceptible > 2-Acceptable fan noise, even for SSB operating. Low pitched whine > 3-The noise and the pitch of the whine is past the acceptable point. Even a very directional mic will probably pick up the noise. This is where Noise Cancelling headphones would start to help. > 4-Louder and higher pitched whine > 5-Very loud and higher pitched whine > > So, the fan noise becomes particularly bothersome on level 3 and above. If you are doing CW and/or Digital, the noise will only be a factor with the operator. On SSB, the noise will probably be noticeable on the air. However, the SSB duty cycle may not require higher fan speeds. Those who have been active in contests will probably know that answer. > > Rich, if fan noise is going to be that strong a factor, perhaps you should be looking at tube amps instead. Personally, if I found the KPA-1500 fan noise excessive in the future, I would plan on moving it off my desk or remoting it rather than replacing it. It's integration with the K3 would be very hard to give up. > > > ?73 de JIM N2ZZ > #106 > ** > __ 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 Message delivered to jboehne...@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 Message delivered to k3.
Re: [Elecraft] KPA1500 Fan Noise Video posted
So far for the short time I've had the 1500, I've used it very heavily in WPX CW recently. At constant running , sometimes getting no answers which is probably max duty cyclefor this kind of operating, I never went over about 74 degrees C which kicks in fan speed 3 (I think, hi, I had it manually on 3 anyway in this situation and of course 1500 watts). BillK3WJV On Saturday, June 2, 2018, 6:47:03 AM EDT, j...@kk9a.com wrote: Nice video Don. Speed 4 and 5 might be like trying to operate with the XYL vacuuming around you. I wonder what duty cycle and power level it takes for these speeds to kick in. It was good to see a comparison with the tube amps. My Alphas were hardly noticeable when running but remember they are significantly larger and do not require a 3, 4 or 5 fan speed setting. John KK9A Don Butler n5lz wrote: In response to N5ZC’s request I just made this short video to provide a listen to the KPA1500's fans ... at least as they sound in my shack. Follow this link to view: https://vimeo.com/273064144 In addition to the KPA1500 the video also includes footage of my Alpha 9500 and Icom PA1 … each running with their fans at maximum speed … to provide a simple rather crude comparison. What do I think? I think that fan speed 1 and fan speed 2 on the KPA1500 are probably comparable to the fans that are installed on the other amplifiers as far as sound and efficiency are concerned and likely provide a similar degree of cooling at those speeds. And, I think that fan speeds 3, 4, and 5 (which are indeed noisy) provide the KPA1500 with enhanced cooling capability that is simply not available on other amplifiers. Don, N5LZ __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA-1500 Fan Noise - YouTube ?
Tube amp just has the single fan that doesn't spin at 9000 rpm like the little solid state fans, hi. Same noise level if xmit or not. BillK3WJV On Friday, June 1, 2018, 9:04:45 PM EDT, Dr. William J. Schmidt wrote: So just a bit of thermodynamics... if the input to any amplifier is 1500 watts and it is 50% efficient, since energy is conserved, 750 watts will come out in another form.. and in this case it's heat. Doesn't matter what the converter is (transistor, tube, resistor, etc.). It all behaves the same. Need to get rid of 750 watts of heat. The only difference may be the way the heat is taken away of the converter... convection (heat sink), forced convection (heat skin plus fan), liquid convection (water cooled heat sink). The poison is the heat removal device not the converter. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: www.VillaGrandPiton.com Like us on Facebook! Moderator – North American QRO Group at Groups.IO. email: b...@wjschmidt.com -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill Stravinsky via Elecraft Sent: Friday, June 1, 2018 7:33 PM To: Elecraft Reflector Subject: Re: [Elecraft] KPA-1500 Fan Noise - YouTube ? Rich You pretty much hit the nail on the head about solid state amps. As they say there's no free lunch. Solid state has made great strides in high power ampsbut its still solid state and a p/n junction or some form thereof. 1500 watts of heat in those junctions has to be cooled down or it won't be long before it needsnew parts. Depending on your operating habits (contesting, casual, or whatever) there will be varying degrees of fan noise. The higher the duty cycle the higher thefan requirements. Pick your poison, a small light weight amp easy to move around or one you need a fork lift to pick up. I prefer tube amps for a few reasonsand have the Acom 2000a (and an Alpha 89 that now sits in the living room temporarily) but I'm still glad I got the kpa1500 at least so far. The kpa sits nicely on top of the Acom without causing the table they sit on to crash to the floor in pieces, hi. I'm surprised nobody has made a you tube ofthe amp in operation actually. But there are only just over 200 of the new amps out there. Good luck with your investigation, Rich. BillK3WJV On Friday, June 1, 2018, 8:00:29 PM EDT, Richard Thorne wrote: This fan noise issue has me concerned to the point that I’m considering cancelling my order. While the amp won’t be on my operating desk, it will be on a rack next to my operating desk. Remoting the amp is not an option. Quite frankly I have no interest in remoting the amp. Is there anyone out there that has a KPA-1500 willing to post a YouTube video so we can hear the fan in action and judge the noise for ourselves? From the research I’ve done it appears that if you want a solid state amp, regardless of make, you need to be prepared for fan noise. Thanks Rich - N5ZC Sent from my iPhone __ 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 Message delivered to k3...@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 Message delivered to b...@wjschmidt.com --- This email has been checked for viruses by AVG. https://www.avg.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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA-1500 Fan Noise - YouTube ?
Rich You pretty much hit the nail on the head about solid state amps. As they say there's no free lunch. Solid state has made great strides in high power ampsbut its still solid state and a p/n junction or some form thereof. 1500 watts of heat in those junctions has to be cooled down or it won't be long before it needsnew parts. Depending on your operating habits (contesting, casual, or whatever) there will be varying degrees of fan noise. The higher the duty cycle the higher thefan requirements. Pick your poison, a small light weight amp easy to move around or one you need a fork lift to pick up. I prefer tube amps for a few reasonsand have the Acom 2000a (and an Alpha 89 that now sits in the living room temporarily) but I'm still glad I got the kpa1500 at least so far. The kpa sits nicely on top of the Acom without causing the table they sit on to crash to the floor in pieces, hi. I'm surprised nobody has made a you tube ofthe amp in operation actually. But there are only just over 200 of the new amps out there. Good luck with your investigation, Rich. BillK3WJV On Friday, June 1, 2018, 8:00:29 PM EDT, Richard Thorne wrote: This fan noise issue has me concerned to the point that I’m considering cancelling my order. While the amp won’t be on my operating desk, it will be on a rack next to my operating desk. Remoting the amp is not an option. Quite frankly I have no interest in remoting the amp. Is there anyone out there that has a KPA-1500 willing to post a YouTube video so we can hear the fan in action and judge the noise for ourselves? From the research I’ve done it appears that if you want a solid state amp, regardless of make, you need to be prepared for fan noise. Thanks Rich - N5ZC Sent from my iPhone __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 Drive Power
Yup, as the temp climbs the output drops some. Even though I'm glad I got the solid state amp I still prefer tubes, hi. The drop is anywhere between 100 to maybe 300 watts.I never really noted the exact numbers. BillK3WJV p.s. I'm thinking its a normal solid state thing. On Wednesday, May 30, 2018, 4:23:47 PM EDT, K9MA wrote: I'm using the K3 with the Elecraft interface cable. I've noticed the the CW drive power required by mine varies considerably, both with temperature and SWR. If I set the K3 output for a KPA1500 output of 1500 W output initially, the output will drop to perhaps 1100 W when the temperature stabilizes at around 65 C. (I've ruled out any change in antenna impedance, etc.) A similar change occurs if the SWR goes from 1:1 to 1.2:1 when changing frequency or switching antennas. I haven't changed the ALC from the default setting. Has anyone else noticed this? 73, Scott K9MA -- Scott K9MA k...@sdellington.us __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 fan noise concern
John I would imagine the 1500 will be remotable just as the 500 is. A friend of mine remotes his 500 to the basement just as he did with his Acom 2000aand he is investigating remoting the 1500 he just got. As for a control box I don't know. Not sure if the amp faults will be visible in the vfo B area ofthe K3. It tells you its on-off or in standby. BillK3WJV On Monday, May 28, 2018, 9:18:04 PM EDT, j...@kk9a.com wrote: I imagine that due to the KPA1500's size it requires a higher volume of air than a large amplifier would. Its small size and weight make it appealing. The Acom 2000 has a control box that is separate from the amp so you really never hear the amp run. I am wondering it something similar can be done with the Elecraft KPA1500, perhaps an option like the K-Pod, so that the noise source is further from the operating position? John KK9A Thanks for the offer, Clay. But we actually did extensive thermal analysis of both the heat sink and fans, tested many different fan types and configurations, and did comparative noise testing of the KPA1500 vs. a number of other amps. As you allude to, there's no magic bullet. Heat must be removed, with various physical and electrical constraints to be satisfied. We have some pretty amazing thermal imaging devices that we use to examine heat signatures of electrical components. These were used during R&D, which is how we determined that two LDMOS devices were far better than one for heat distribution. We also used it to evaluate the design of our very large/very thick copper heat spreader. On the production line, we review all modules for hot spots during burn-in and make sure the cooling is working perfectly (onset temperature, air distribution around modules, etc.). Of course supplemental cooling of various types has been used with amplifiers in the past. I believe we have a couple of customers and staff experimenting with this idea, and anything that emerges will be posted here. 73, Wayne N6KR __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] 2nd Report
Yeah the fans are pretty noisy especially when CQing without answers which keeps the amp duty cycle high. At least when you get answers the amp has a chanceto cool just a bit and keep it below 70C which is where the hyper drive fans come into play, hi. I'm still happy with the amp for several reasons but I still prefer tube amps.I thought I would have two Acom 2000a's but when I saw the new 1500 I figured I would take the solid state plunge for instant on capability but I still prefer my 2000.Tube amps have the same speed fans no matter how hot and how many CQ's you call. The 1500 sits on top of the Acom quite nicely though, that couldn't happen withtwo Acoms, hi. A friend of mine keeps his amps in the basement with his shack upstairs. He is awaiting his 1500 to return from Elecraft for a repair but I already emailed him and toldhim he definitely would like to remote the 1500 to the basement, hi. I could use the Acom more for running somewhat but I was giving the 1500 a pretty rigorous testover the weekend. I don't know how well noise cancelling headphones will do with the 1500 fans when they start singing over 70C. I keep the manual speed to at least2 while contesting and sometimes 3. It helps to get the temp to stay lower for longer periods while the duty cycle subsides. First big contest test of the 1500. BillK3WJV On Monday, May 28, 2018, 10:24:43 AM EDT, Richard Zalewski wrote: First major contest with KPA-1500. Overall VERY pleased. No glitches other than a few operator errors early in the contest. Loving the amp. Fan noise...another issue. Usually for a cw contest I use some old ear buds. Not possible with the amp. Had to use the total ear muffs and still quite noisy. Did not effect my performance but it is annoying. I can not imagine what it was like before they released the amp to general public when they changed the fans...made them less noisy??? Still needs some work but at this point probably not possible. So looking for suggestions for reasonably priced noise cancelling headset with mic if possible. Hope we get full explanation of what gets changed in the next firmware release. Still smiling. Richard *W7ZR* ex:5C5Z, CN2ZR, K2JSP, W6SBZ, W7KXR, K9ZIJ, W9KNF, W0KDF, W0MQU, J68ZR, KC6ZR, PJ4/W7ZR, KH2,W7ZR, KH6/W7ZR, V31ZR, VK4AAZ, XE2DV *Be joyful in hope, patient in affliction, faithful in prayer* __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 - Amplifier Recognition
I'm thinking there will be a firmware update to fix this. I don't have a Y box but the only menu choice in the K3 is kpa500 and that is what I see from the 1500on the K3 display although it might already be fixed as I haven't upgraded firmware in a while. BillK3WJV On Sunday, May 27, 2018, 8:08:40 AM EDT, Bill via Elecraft wrote: Using N6TV ‘s “Y-Box,” I can switch between the KPA500 or my new KPA1500 effortlessly as needed. However, regardless of which amp is active, the K3 message that informs you that the amp has been switched to/from stand-by to active always reads KPA500. For someone running amps in the same configuration remotely, this maybe an issue. Has anyone else noticed this? If so, have you determined a remedy? Thanks, Bill-W0BBI __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500, First Contest
Scott Are you also getting temp fluctuations in xmit and how much? Mine is dependant on the temp, at lower temps the fluctuation is less than if up at 60Cand mine only happens on 40 mtrs. Spoke with an Elecraft engineer and this could possibly result in a mod surrounding the temp sensor. BillK3WJV On Wednesday, May 23, 2018, 10:22:01 AM EDT, K9MA wrote: OK, just a CWT mini-test. Max. temperature when running was 63 C, fan noise not an issue with Radiosport headset. The flashing SWR lights, stopped in PTT mode. Temperature jumping around when transmitting persists in PTT mode, but stable on receive. Power gain seems to drift around a bit, probably temperature dependent, not a big deal. (I'm pretty sure the K3 output is stable.) 73, Scott K9MA -- Scott K9MA k...@sdellington.us __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] kpa1500 new issue
Well, I just spoke with Elecraft and it appears this problem was one they had run across in early engineering. I sent them the config file which might have some indicatorsthey can look at and make some determinations. But if it turns out to be what the engineer said it might, there might be a fix that is needed to cure this if the temp swing istoo much. Film at eleven. BillK3WJV On Monday, May 21, 2018, 12:58:37 AM EDT, Bill Stravinsky via Elecraft wrote: In the last few days I have made about 21 Qso's with the new amp casually and about 75 Q's in a few contests over the weekend. The first night I had a problem that seemedto disappear. It only happened on 40mtrs. I was xmitting and the power dropped like I went into stby but no indications on the front panel other than the power LED's showinga power drop. I chalked it up to maybe not having things setup right as it hasn't happened again. But tonite I was making some 40 mtr Q's and everything looked normal except the temp was jumping from 6 to 8 degrees low, meaning the temp was climbing normally then itwould fluctuate rapidly down about 6 degrees. If I stopped xmitting the temp was stabile but xmitting it would jump down and back up quickly. And now as I'm typing this postthe temp has gone down to normal but the same thing is now happening. Every time I xmit the temp jumps down about 6 degrees and fluctuates back and forth. I checked on 20 mtrs and it doesn't happen there so either I've got some rf floating around on 40 or there is a problem in the amp. I ran the power down and it happens all theway down to about 500 watts out but only fluctuates about 4 degrees. Just checked on 80 and its OK there. So will look into this tmrw some more. BillK3WJV __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 fan speeds and fan noise
Feel free to do that with your kpa1500. While you're at it test how long it takes to reach 60C with and without the modified fan system.I'm comfy with hearing the fans come on and I even set the fan speed to 1 or 2 if I'm in a contest mode. I don't think there's a thing astoo much cooling for a solid state amp running 1500 watts. The brief time I've played with mine it doesn't take too long to get to 60Cif you xmit enough. Good luck. BillK3WJV On Monday, May 21, 2018, 5:11:01 PM EDT, hawley, charles j jr wrote: Seems like if the internal fans don't go on, that means the fan on the top is cooling the amp. Chuck Hawley c-haw...@illinois.edu Amateur Radio, KE9UW aka Jack, BMW Motorcycles From: elecraft-boun...@mailman.qth.net [elecraft-boun...@mailman.qth.net] on behalf of Bill Stravinsky via Elecraft [elecraft@mailman.qth.net] Sent: Monday, May 21, 2018 8:01 AM To: Elecraft Reflector Subject: Re: [Elecraft] KPA1500 fan speeds and fan noise That doesn't move any air across the heat sink or solid state devices that need the air. The air that comes out of those vents starts at the fans in the rear. BillK3WJV On Monday, May 21, 2018, 6:07:22 AM EDT, Roy Koeppe wrote: All, My solution is two 4.5-inch, 48-volt dc muffin fans sitting on half-inch tall rubber feet covering the top exhaust vent on amp. They are running on a 19-volt supply at a slow but effective cooling speed and are very quiet (drawing air upward). During normal CW rag chewing the main fans do not come on -- a vast improvement for a few bucks. When you go portable, just leave 'em home. 73, Roy K6XK __ 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 Message delivered to k3...@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 Message delivered to c-haw...@illinois.edu __ 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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 fan speeds and fan noise
If you are going to depend on those 2 fans sucking hot air out of the amp instead of using the internal fans that push it where it needs to go, I think you arepulling hot air out of the amp and that hot air has already done its damage. BillK3WJV On Monday, May 21, 2018, 3:29:29 PM EDT, Roy Koeppe wrote: Yes it does, normally air flow is from rear to top. The fans placed over the exhaust vent on top create a partial vacuum, drawing in air through the idle (or running) fans on the rear apron and out the top just like when the regular fans are doing that job. Roy K6XK "That doesn't move any air across the heat sink or solid state devices that need the air. The air that comes out of those vents starts at the fans in the rear." BillK3WJV On Monday, May 21, 2018, 6:07:22 AM EDT, Roy Koeppe wrote: All, My solution is two 4.5-inch, 48-volt dc muffin fans sitting on half-inch tall rubber feet covering the top exhaust vent on amp. They are running on a 19-volt supply at a slow but effective cooling speed and are very quiet (drawing air upward). During normal CW rag chewing the main fans do not come on -- a vast improvement for a few bucks. When you go portable, just leave 'em home. 73, Roy K6XK __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 fan speeds and fan noise
That doesn't move any air across the heat sink or solid state devices that need the air. The air that comes out of those vents starts at the fans in the rear. BillK3WJV On Monday, May 21, 2018, 6:07:22 AM EDT, Roy Koeppe wrote: All, My solution is two 4.5-inch, 48-volt dc muffin fans sitting on half-inch tall rubber feet covering the top exhaust vent on amp. They are running on a 19-volt supply at a slow but effective cooling speed and are very quiet (drawing air upward). During normal CW rag chewing the main fans do not come on -- a vast improvement for a few bucks. When you go portable, just leave 'em home. 73, Roy K6XK __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
[Elecraft] kpa1500 new issue
In the last few days I have made about 21 Qso's with the new amp casually and about 75 Q's in a few contests over the weekend. The first night I had a problem that seemedto disappear. It only happened on 40mtrs. I was xmitting and the power dropped like I went into stby but no indications on the front panel other than the power LED's showinga power drop. I chalked it up to maybe not having things setup right as it hasn't happened again. But tonite I was making some 40 mtr Q's and everything looked normal except the temp was jumping from 6 to 8 degrees low, meaning the temp was climbing normally then itwould fluctuate rapidly down about 6 degrees. If I stopped xmitting the temp was stabile but xmitting it would jump down and back up quickly. And now as I'm typing this postthe temp has gone down to normal but the same thing is now happening. Every time I xmit the temp jumps down about 6 degrees and fluctuates back and forth. I checked on 20 mtrs and it doesn't happen there so either I've got some rf floating around on 40 or there is a problem in the amp. I ran the power down and it happens all theway down to about 500 watts out but only fluctuates about 4 degrees. Just checked on 80 and its OK there. So will look into this tmrw some more. BillK3WJV __ 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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4?
About time, thank you Eric, hi. I contemplated adding to the whines and wishes but decided against it. I think the quote by an NFL player "for who, for what" crept in my head. But I guess while I have the space now to make one comment, no matter what is in any radio on my desk, the only thing I have ever needed isthe main tuning knob, the AF gain, sometimes the bandwidth. That is pretty much it in a nutshell. As long as I have everything else available I justnever really need or use it. I operate so2r with the K3 and an FT1000mp 99% in heavy contesting mode. I have all I want or need in both radios. BillK3WJV On Saturday, May 19, 2018, 9:30:50 PM EDT, Eric Swartz WA6HHQ - Elecraft wrote: Folks, time to close this thread in the interest of limiting email overload for others. 73, Eric List Moderator and cheerleader.. (At Dayton recovering from another very busy day at the Elecraft booth :-) elecraft.com --- Sent from my iPhone 6S __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 S/N 160 delivered today
Larry The zero just means that the fans are off (manually). You can set the fans to be on at speeds 1 through 5 regardless of temp. They will stay on continually.That said, the fans will operate automatically according to temp. They will ramp up as the temp increases. I think the first to engage is the center fan but youcan easily see this yourself. I did some CQing in the King of Spain contest to get the temp up and test things out. They indeed came on at 60C. I forgetwhere I stopped, I think at 71C, but the fans will come on starting at 60C with the fan speed on zero. I will give it a more robust test this Wednesday during the cwts but that is only a one hour test. During WPX at the end of the month I will probably set thefan speed to 2 to get more cooling power below 60C. When the PF1 & PF2 buttons become programmable I will probably set them to turn the fans on or off.For me a fan speed of 2 is acceptable during a major contest situation even with headphones off which I really never do normally. I did find it interesting tonight to see my shack tv get blanked out on xmit. I only checked 3 bands. TV was ok on 80mtrs but blanked the picture and soundout on 20 & 40 mtrs, hi. That never happened with either of my tube amps. I will look into that at a later date. Good luck with your amp. BillK3WJV p.s. The pwr supply fans run whenever you turn the amp on but fans set at zero no amp fans should be on until 60C. On Friday, May 18, 2018, 6:07:03 PM EDT, Larry (K8UT) wrote: Bill, My KPA1500 also defaulted to FAN SPEED MIN = 0, but that is not fans off (at least not on my amplifier). My fans engage at 60c (low), 65c (medium) and 70c (egads). Is there a menu explanation somewhere about the start/stop temps and speeds? I would like a little more hysteresis in the 60c setting: start at 60c but continue cooling until temp drops to 50c. That might work a little better when running digital modes with long Tx/Rx intervals. -larry (K8UT) -- Original Message -- From: "Bill Stravinsky via Elecraft" To: "Elecraft Reflector" Sent: 2018-05-18 15:41:49 Subject: Re: [Elecraft] KPA1500 S/N 160 delivered today >After having played with mine extensively last night, I was under the >impression that the fans would come on automatically when the temp >reached a certain degree.That is not the case. Mine was defaulted at >fan speed zero, which is fans off. You have to change the menu item for >fans to one of your liking. I had read a few postshere on the reflector >about 2 being an acceptable number. I agree. >If you crank it up to max (5) you might scare the dog, be careful, hi. >BillK3WJV > >On Tuesday, May 15, 2018, 5:59:02 PM EDT, Roy Koeppe >wrote: > >Works perfectly so far. The fans have never come on during my testing >periods, including at full power. Power supply fans under the table are >quiet. Really like! Low drive power. Was ordered 8-25-17 at 0900 CA >time. > >73, Roy K6XK > > >__ >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 >Message delivered to k3...@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 >Message delivered to k...@charter.net __ 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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 S/N 160 delivered today
I can only give you a half a "duh". The preliminary manual supplied with the amp only gives you the menu description of fan speed and it doesn't really describe the operation.The paragraph in the online manual labelled "Amplifier Cooling" is NOT in that preliminary manual. The half a duh is for the first line of the menu description of "fan speed min".It says the speed varies per temp but after that sentence there is not much of a description. It then says greater than zero all the way up to all fans running, leaving you in the dark. It doesn't explain it like you or Roy explained it. I really figured it would work like you explained but unless you read the online manual you are missing the amplifier cooling paragraph. Thanks to you and Roy for clearing thisup for me. BillK3WJV On Friday, May 18, 2018, 7:59:34 PM EDT, Bob McGraw K4TAX wrote: Bill: Per the manual if Fan Speed is set to 0 which is the default, the fans are not on until needed. The values of 1, 2, 3 etc will cause the fans to run at the selected minimum speed all of the time, but the fans will increment to a higher speed as called for by the internal heat sink temperature. If you use 0 the fans will be off until needed. This is not related to the fans in the power supply. 73 Bob, K4TAX On 5/18/2018 2:41 PM, Bill Stravinsky via Elecraft wrote: > After having played with mine extensively last night, I was under the > impression that the fans would come on automatically when the temp reached a > certain degree.That is not the case. Mine was defaulted at fan speed zero, > which is fans off. You have to change the menu item for fans to one of your > liking. I had read a few postshere on the reflector about 2 being an > acceptable number. I agree. > If you crank it up to max (5) you might scare the dog, be careful, hi. > BillK3WJV __ 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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] Factory Power Calibration of the KPA-1500 - question
ALC is adjustable but it is recommended to just set your per band drive level for desired output. You can set the ALC thresholds fairly high to not allow ALC to affect your output unless under extreme condx. BillK3WJV On Sunday, May 6, 2018, 10:24:43 AM EDT, James F. Boehner MD via Elecraft wrote: This may have been discussed already, but just wanted to confirm. I had a number of questions, but I'll condense them into a few: How are the KPA-1500 power LEDs/display calibrated at the factory, and what equipment is used to do the calibration? Second, in the case of using the amp with K3 and the KPAK3AUX cable, is there a point where ALC kicks in and decreases power output? Thank you! ’73 de JIM N2ZZ __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 S/N 160 delivered today
After having played with mine extensively last night, I was under the impression that the fans would come on automatically when the temp reached a certain degree.That is not the case. Mine was defaulted at fan speed zero, which is fans off. You have to change the menu item for fans to one of your liking. I had read a few postshere on the reflector about 2 being an acceptable number. I agree. If you crank it up to max (5) you might scare the dog, be careful, hi. BillK3WJV On Tuesday, May 15, 2018, 5:59:02 PM EDT, Roy Koeppe wrote: Works perfectly so far. The fans have never come on during my testing periods, including at full power. Power supply fans under the table are quiet. Really like! Low drive power. Was ordered 8-25-17 at 0900 CA time. 73, Roy K6XK __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 spurs
If you have an older K3 there was a problem with them generating a spur. I had the problem when a friend reported hearing me on a 2nd freq.I'm guessing nobody still has an older K3 though with this problem. We have determined that a small number of K3/100s and KPA3s left the factory earlier this year (2009) with capacitor C3 installed by mistake on early Revision C KPA3 PC boards. This part location should be empty on Rev. C KPA3s. Installation of C3 causes the PA bias supply to oscillate on some KPA3s at approximately 15-20 kHz, resulting in spurious TX sidebands at that spacing from the carrier. Info is on the Mods & Notes page almost at the bottom. http://www.elecraft.com/K3/k3_app_notes.htm BillK3WJV On Tuesday, May 15, 2018, 9:30:41 AM EDT, Roger D Johnson wrote: I was watching 6m yesterday and noticed several spurs. They were spaced 39kHz apart. Amplitude dropped but didn't disappear when switched to dummy load. I have the K3 with new synthesizer boards. Just wondering if anyone else seeing something similar. IOW is it something in the K3 or external? 73, Roger __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] KPA1500 status info
Serial #153 arrived on time yesterday May 15th. yowza BillK3WJV On Monday, May 14, 2018, 1:12:10 PM EDT, Bill Stravinsky via Elecraft wrote: I have been watching all the posts about guys getting their 1500's and hoping to not have to watch anymore. A good friend got his email notice on April 19th.We ordered on the same day (August 25th) so I just knew I had to be getting my notice. Well the days then weeks past. Last week I got a phone call fromthe factory with the news. It seems that somehow my email never arrived. They sent the email on April 18th, the day before my friend got his notice, hi. I figured I would post this for the others who are in the waiting stage.This is my order confirmation: Order # : 110493 Email : k3...@yahoo.com Order Date : 8/25/2017 3:57:00 PM Order Status : Approved, Pending Shipping Payment Status : Payment information received. Payment Method : PayPalExpress My amp was shipped last week and arrived in PA near Phila yesterday and is expected to arrive tomorrow May 15th: Shipment Progress 05/08/2018 3:05 P.M. Order Processed: Ready for UPS Scheduled Delivery: Tuesday, 05/15/2018 , By End of Day I have also been somewhat concerned about the swr LED flicker problem but hope the answer from Elecraft that in all likelihood it can be eliminated with afuture firmware update will happen. Film at eleven. Good luck to you who are waiting for that shipping email notice. BillK3WJV __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
[Elecraft] KPA1500 status info
I have been watching all the posts about guys getting their 1500's and hoping to not have to watch anymore. A good friend got his email notice on April 19th.We ordered on the same day (August 25th) so I just knew I had to be getting my notice. Well the days then weeks past. Last week I got a phone call fromthe factory with the news. It seems that somehow my email never arrived. They sent the email on April 18th, the day before my friend got his notice, hi. I figured I would post this for the others who are in the waiting stage.This is my order confirmation: Order # : 110493 Email : k3...@yahoo.com Order Date : 8/25/2017 3:57:00 PM Order Status : Approved, Pending Shipping Payment Status : Payment information received. Payment Method : PayPalExpress My amp was shipped last week and arrived in PA near Phila yesterday and is expected to arrive tomorrow May 15th: Shipment Progress 05/08/2018 3:05 P.M. Order Processed: Ready for UPS Scheduled Delivery: Tuesday, 05/15/2018 , By End of Day I have also been somewhat concerned about the swr LED flicker problem but hope the answer from Elecraft that in all likelihood it can be eliminated with afuture firmware update will happen. Film at eleven. Good luck to you who are waiting for that shipping email notice. BillK3WJV __ 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 Message delivered to arch...@mail-archive.com
[Elecraft] KPA status info
I have been watching all the posts about guys getting their 1500's and hoping to not have to watch anymore. A good friend got his email notice on April 19th.We ordered on the same day (August 25th) so I just knew I had to be getting my notice. Well the days then weeks past. Last week I got a phone call fromthe factory with the news. It seems that somehow my email never arrived. They sent the email on April 18th, the day before my friend got his notice, hi. I figured I would post this for the others who are in the waiting stage.This is my order confirmation: Order # : 110493 Email : k3...@yahoo.com Order Date : 8/25/2017 3:57:00 PM Order Status : Approved, Pending Shipping Payment Status : Payment information received. Payment Method : PayPalExpress My amp was shipped last week and arrived in PA near Phila yesterday and is expected to arrive tomorrow May 15th: Shipment Progress 05/08/2018 3:05 P.M. Order Processed: Ready for UPS Scheduled Delivery: Tuesday, 05/15/2018 , By End of Day I have also been somewhat concerned about the swr LED flicker problem but hope the answer from Elecraft that in all likelihood it can be eliminated with afuture firmware update will happen. Film at eleven. Good luck to you who are waiting for that shipping email notice. BillK3WJV __ 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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] CW AGC settings
Don, I just read your article to see what the hubbub was about with AGC. I live in a rural area in the woods so noise is really not a problem. I was taught a long time ago to keep the AGC off for weak signal reception and it stuck with me. Those were the S line days. And in your article you mention ops that can copy into the noise and that certainly describes me, hi. Its kind of an ESP thing. Thanks for all your valuable info here on the reflector. Bill K3WJV On Thursday, April 26, 2018, 5:25:37 PM EDT, Don Wilhelm wrote: Thank you Mike for mentioning that article. Yes, adjusting your AGC Threshold and Slope is preferable to running with AGC off. Fortunately, the K3/K3S has an adjustable limiter to help protect the ears for those operators who would still choose to run with AGC off. 73, Don W3FPR On 4/26/2018 4:44 PM, Mike K8CN wrote: > Don, W3FPR wrote a succinct tutorial about AGC settings on his web page > www.w3fpr.com under the title "Noisy" K3. I had left my AGC settings for CW > contesting at the default values until reading Don's guidance, and once I > reset the AGC threshold and slope parameters I had much better CW contesting > experiences. > > Mike, K8CN > > > > -- > Sent from: http://elecraft.365791.n2.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 > Message delivered to donw...@embarqmail.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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
Re: [Elecraft] CW AGC settings
I never use AGC on cw, only on ssb (and that ain't too often, hi) Bill K3WJV On Thursday, April 26, 2018, 1:17:25 PM EDT, Leroy Buller wrote: Hello all. Long time posting here. I am interested in CW AGC settings you like on your K3. I have been fooling around with the settings and wonder what others like. I am interested in CW contest settings. Lee K0WA __ 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 Message delivered to k3...@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 Message delivered to arch...@mail-archive.com
[Elecraft] Switching RX ant between ports
All this talk about how great Diversity is had me wondering, but when I try it out I realized I had to move the receiving antenna to the Aux RF jack. The Kady boom mentions using an RF splitter to allow the receive antgenna to be used for both purposes. What have other members of the list used for this purpose? Seems like a fairly broadband, low noise amp would do pretty well. 73 de Chuck, WS1L I use a 2 position switch to send the rx antenna to the AUX or RX ant in jacks. Its on the wall out of the way but easily accessible.I don't even label it. It corresponds to the back of the K3. Left is RX in and right is AUX. BillK3WJV __ 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 Message delivered to arch...@mail-archive.com
[Elecraft] K3 extra xmit frequency
A friend of mine (100 miles away) recently noticed a dual signal being transmitted from my K3 possibly coming to lightsince I went to high power. The problem has surfaced when I xmit on 40 & 80 (don't know of other instances). Thereis a duplicate signal 18khz lower on cw, reduced of course but pretty loud. The first cw character starts out with a chirpbut cleans up after the transmission begins, but still seems like its not a pure signal according to my good friend. RADIO HISTORY: added the 2nd vfo, synth boards, newer dsp board, newer kio3 also had a K4 tell me I had strong dual signal in a recent contest (not sure but might have been on 20 mtrs) Any ideas on the cause(s)?? BillK3WJV p.s. sure would be nice if I had one of my S line rcvrs operating to gain possible causes right in the shack! __ 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 Message delivered to arch...@mail-archive.com
[Elecraft] (OT) Touchscreens
Not sure why I needed to know about an Icom 7300 and am guessing it has a touchscreen. Leave the touchscreens to the smart phones, IMHO. If I had a smartphone I wouldn't have a problem with its touchscreen. I have 3 laptops and have mice for all of them, can't stand touchpads either. Radios should have knobs, buttons, and switches. I feel confident that Elecraft wouldn't go there. Let Icom and whomever else make a radio with a touch screen. 73Bill K3WJV __ 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 Message delivered to arch...@mail-archive.com
[Elecraft] QSK and the K3
When I first got my K3 in 2009 I thought the QSK was fabulous and used it every so often. Then for a few years I was working too much and wasa little inactive. I finally retired and heavy into ham radio once again. I got the KXV3B for the preamp and had to jump from version 3 somethingmcu to version 5, and now have version 5.29. Has anybody else thought the QSK to be "slower"? I am performing some tests recommended byElecraft to see if I have a problem but am looking for opinions from other users. Bill K3WJV __ 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 Message delivered to arch...@mail-archive.com
