Re: [Elecraft] external speakers
Todd, This will do it for you. All Radio Shack parts. One Y adapter -274-375 One audio extension cord - 42-2492 Two audio cables - 42-2434 Plug audio extension cable into K3. Plug Y-adapter into extension cable. Plug both audio cables into Y-adapter. Attach wires from audio cables to speakers. 73, Tony K4QE -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of todd ruby Sent: Monday, June 17, 2013 1:52 PM To: elecraft@mailman.qth.net Subject: [Elecraft] external speakers I am trying to install a pair of KLH 970A outboard spkrs to my K3. The back panel of the radio has one ⅛ stereo phone jack. The speakers have a + and - output on each speaker. My question, as dumb as it sounds is, how do I connect the wires from the speakers to the lone ⅛ stereo plug? thanks 73 todd WB2ZAB __ 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] Custom 700 Hz 8-Pole INRAD Filters for Field Day -- While They Last
$145 each + shipping. -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Josh Fiden Sent: Friday, June 14, 2013 3:07 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] [K3] Custom 700 Hz 8-Pole INRAD Filters for Field Day -- While They Last I couldn't find the price? Thanks 73, Josh W6XU On 6/14/2013 11:55 AM, Gary W. Hvizdak wrote: 700 Hz is just about ideal for SP contesting, and there's still plenty of time to get one (or two) of these filters in preparation for Field Day. Visit http://www.unpcbs.com/filter/#comments to read what other users have said about 700 Hz. Visit http://www.unpcbs.com/backdoor/ for ordering instructions. We've experienced a threefold increase in sales since Dayton, so it's difficult to predict exactly when the current batch will sell out. Presently our homepage states around the 2nd week of August, but later today I plan to replace that statement with around the end of July. After this batch sells out, you'll likely have to wait until 2014 for another chance to get one. 73, Gary KI4GGX (webmaster) __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Power Supplies for K3
powerwerx.com model SS-30DV. Quiet, no RF hash, small, and light. I have had it for just over a year now, and it has been on one DXpedition. 73, Tony K4QE From: Peter Chamalian w...@arrl.net To: elecraft@mailman.qth.net Sent: Tuesday, June 11, 2013 9:18 PM Subject: [Elecraft] Power Supplies for K3 I have a big Astron 50A power supply to run my K3, P3 and other small items. Problem is this big brute generates a ton of heat. I'm considering a replacement - perhaps a switching supply and would be interested in knowing what others are using successfully. I'm not looking for cheap, I'm looking for good, rock solid and no noise or other crud that might otherwise impact my K3. Thanks! Pete, W1RM __ 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] Chinese Broadcast on 18 .180.mhz
59 here in central North Carolina. 73, Tony K4QE __ 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] Chinese Broadcast on 18 .180.mhz
More info... http://www.short-wave.info/?station=SOH%20Xi%20Wang%20Zhi%20Sheng http://shortwavedxer.blogspot.com/2011/07/soh-xi-wang-zhi-sheng-sound-of-hop e.html 73, Tony K4QE __ 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] KAT500 Tuning issue
You don't need to add 8 foot wires for 10 meters. The 80 meter dipole will load up there with a little help from the tuner. 73, Tony K4QE On Sat, Dec 8, 2012 at 7:27 PM, Ron D'Eau Claire r...@cobi.biz wrote: If you want to use your 40 meter dipole on 20 meters, one way is to add two 16 foot wires at the center feed point, putting a 20 meter dipole in parallel with the 40 meter dipole. On 40 the extra 16 foot wires will simply make the radiator look a bit fatter to the RF. On 20, the 40 meter dipole exhibits a very high impedance at the feed point (which is what is causing your problem now) while the 20 meter dipole will present a decent match. Your 40 meter dipole already makes a decent 15 meter antenna because it's 3 half waves long, with a relatively decent match at the feed point. In the extreme you could add a 120 foot wire paralleled wire so the system will cover 80, 40, 20 and 15 meters and a pair of 8 foot wires to cover 10 meters to make it an 80/40/20/15/10 meter system. That was a common multi-band antenna before the WARC bands were opened. The mismatch is much greater on the WARC bands because they are not harmonically-related to the others. Even though your tuner may produce a good load to the transmitter, feed line losses can get rather high. Ideally you want to fan the wires to the ends are as far apart as possible, but even several inches or a foot or so will work. Understand that a 2:1 or worse SWR is common even though the wires are cut to 1/2 wavelength due to interaction between them, but the losses should not be serious over a typical run of good quality coax. 73, Ron AC7AC -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Jerry Weisskohl Sent: Saturday, December 08, 2012 2:59 PM To: Mark Bayern Cc: Elecraft Reflector Subject: Re: [Elecraft] KAT500 Tuning issue Mark, Thanks for the reply. I received quite a few replies pointing out exactly what you said. Because it wouldn't load on 20 meters I was using my other antenna, which works fine with the KAT500 (80 meter vertical). However, I was trying to understand why the 40 meter dipole wasn't working well on 20 and I thank all those that replied. This reflector is a wealth of knowledge! Now I realize my KAT500 is working as it should. Having two antennas comes in handy! Thanks, Jerry - AC4BT On Sat, Dec 8, 2012 at 5:49 PM, Mark Bayern plcm...@gmail.com wrote: Just to make sure we're all on the same page ... When the tuner (at the radio) gets an acceptable match, that just means the transmitter will _think_ there is a good antenna system out there. The feedline between the antenna and the tuner will know otherwise and can have points of very high voltage that could cause insulation breakdown, and points of very high current that can cause overheating and will be a source of power loss. This isn't really a problem in QRP operations, but when you head into the QRO world it can make a difference. The antenna also has issues. In an earlier post K3KO had the calculated feedpoint impedance, and it was very far from the 'nominal' 50 ohms of your feedline or the ~75 ohms of a dipole at altitude. W6GF also gave this info in terms of SWR to show how bad it was. All in all a resonant 40M dipole makes an unhappy antenna system on 20 meters. I understand that if that is all you have you're stuck with it, but it is really time to consider something else. Maybe a fan dipole, or trap dipole? Mark AD5SS On Sat, Dec 8, 2012 at 3:30 PM, Jerry Weisskohl jweissk...@gmail.com wrote: Right now, I have the coax from the antenna directly connected to the KAT500. I could try using my Delta-4 switch, have the coax go to that and then a small run to the KAT500 to see if that makes a difference. The high swr is an issue on 40 and 10 meters, however, ten is manageable, it's about 1.9 - 1 and I am working around the issue but using my 80 meter vertical on 20 meters. So this is not a show-stopper but just wanted to understand why it was happening. Jerry - AC4BT __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home:
Re: [Elecraft] Windows vs Mac
An OS, by itself, is useless without user level tools and applications. When considering Windows vs. Mac OS vs. Linux, you must consider what apps you intend to use with it. I am a UNIX/Linux bigot. I also like MacOS. But, I use Windows in my ham shack. Windows is, by far, the most well supported platform for ham radio applications. Yes, I could run them in a virtual machine or an emulator in another OS, but why? Don't pick your OS first. Choose the apps you want first and see what the common denominator OS is among those applications. Chances are it will be Windows. Don't play religion with OSes. You will be doing yourself a BIG disservice. Be pragmatic. 73, Tony K4QE __ 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 and field day
David, This applies to ANY competition class radio, not just the K3. I strongly recommend AGAINST bringing out your radio out unless you know for a fact that those who will be using it know how to use it already. If it is a free-for-all, you should only take out a radio that is dead-simple to operate like an ICOM IC-718, a Yaesu FT-840, or a Yaesu FT-747. Otherwise, you will be constantly be asked questions and/or really frustrating operators. Even worse, they might get the radio into some state rendering it unusable (yes, it DOES happen) and without a quick resolution because you won't know exactly what they changed. Sorry, but it is really not worth your trouble unless you know the operators are K3-aware. 73, Tony -Original Message- From: dm...@nexicom.net Sent: Friday, May 11, 2012 12:29 PM To: elecraft@mailman.qth.net Subject: [Elecraft] k3 and field day I will have my k3 at Field Day this year and would like a little advice.I will have the Yamaha cm500, a hand held mic plus a set of paddles. It will have one multiband antenna. plus a will periodically be connected to a beam when its available. Since it will also be used by several other ops that probably wont know the K3 I would like to set it up as user friendly as possible and lock out as much as possible in the menus to prevent it from being messed up. What settings have others used in this situation. and what precautions are there? and any other thoughts please. Please answer to the reflector and not directly to me. David Moes VE3DVY __ 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
