> All this has nothing to do with his K3 but what about a Choke Balun? Is it > really a balun or is it a unun? We use the same device to feed a ground > mounted vertical to reduce RF on the coax and to feed a balanced dipole > with coax. It's both a balun and unun depending on how it's used. > > Steve > N4LQ > ----- Original Message ----- > From: "Mike" <n...@nf4l.com> > To: <elecraft@mailman.qth.net> > Sent: Tuesday, March 08, 2011 5:44 PM > Subject: Re: [Elecraft] K3 not recieving > > > I've heard quite a few people use balun, when they meant impedence > transformer or unun. > > I heard somewhere (and the tapes have been erased) that the 43' length > came about > because it was the most economical length for a manufacturer to cut stock > with the > least waste to meet shipping limitations. > > 73, Mike NF4L > > On 3/8/2011 5:29 PM, David Herring wrote: >> Here's a follow-on question to the reflector... >> >> Vernon's set-up brings a question to mind. He says he's using a 4:1 >> balun on his vertical. At first brush that seems counterintuitive, >> doesn't it? Isn't a vertical unbalanced? Certainly the coax is >> unbalanced. When you're mating an unbalanced feedline with an unbalanced >> antenna, wouldn't one be better off using an unun rather than a 4:1 >> balun? >> >> In further support of my line of questioning, I've read numerous, albeit >> anecdotal, reports of people being displeased with the performance of >> their vertical, particularly the untuned ones like Zero-Five for example. >> But when they add an unun they are then amazed at how the antenna >> allegedly "sprung to life." >> >> 73, >> Dave AH6TD >> >> On Mar 8, 2011, at 6:20 AM, Vernon Mauery wrote: >> >>> Yes. I can see the S-meter go from 3-4 down with static down to >>> nothing with quieter static. My best guess is that I am not trying >>> the right times at the right places. >>> >>> Thanks to everyone for the help. >>> >>> --Vernon N7OH >>> >>> On Tue, Mar 8, 2011 at 8:12 AM, Ross Primrose N4RP<n...@aiko.com> >>> wrote: >>>> Does the received noise decrease when you disconnect the antenna? >>>> >>>> 73, Ross N4RP >>>> >>>> On 3/8/2011 1:06 AM, Vernon Mauery wrote: >>>>> At the risk of exposing what a n00b I am when it comes to HF, I really >>>>> need some help. I recently (last month) purchased a K3. First HF >>>>> radio I have owned. I got my license 2 years ago and have spent most >>>>> of the time since playing with VHF. I have been trying to teach >>>>> myself CW and decided that it was time to step into the HF waters. I >>>>> studied, ogled, and dreamed of my ideal HF transceiver. I finally >>>>> found the K3 and having looked (at least a cursory glance) at all the >>>>> others, I was sold. I saved my pennies and purchased. I also got >>>>> myself a 43' untuned vertical antenna, balun, and radial wires. >>>>> >>>>> My setup: K3/100 has 100 feet of low loss 400 coax out to the 43 foot >>>>> vertical on the hill in my back yard. It has 8 25 foot radials and a >>>>> 4:1 balun. The K3 has the KATU3, KPA3, KTCXO3-1, KFL3A-400, and >>>>> default 2.8KHz filters. I assembled it and did followed the >>>>> calibration instructions as well as I could. I think I got >>>>> everything, but obviously I missed something. Or maybe I just need an >>>>> elmer to tell me what to do. >>>>> >>>>> I cannot seem to find any signals that make the S meter go above a 3 >>>>> or 4. I have the RF gain turned up a fair ways (mostly to the top), >>>>> and I can hear static. As I tune up some of the bands on SSB, I can >>>>> hear a tone that changes higher in pitch as I tune up in frequency. I >>>>> have tried listening for CW, but I am hearing nothing as I scan >>>>> through the bands. I had a 10m horizontal dipole taped to my wall for >>>>> a while until I found time to run the coax out to the back yard. I >>>>> had hoped that since it was resonant on the 10m band, maybe it would >>>>> be able to pick up something, but it was no better (or worse) than my >>>>> vertical. >>>>> >>>>> As far as I can tell, the radio seems to transmit. I can see the >>>>> power meter moving and the SWR meter moving. The ATU seems to be able >>>>> to find acceptable settings on most of the bands with the vertical. >>>>> But I can't hear them. You can't work them if you can't hear them, >>>>> right? >>>>> >>>>> This is a desperate plea for help. Is it the radio or me? Please >>>>> have pity on the n00b and walk me through my first HF contact. >>>>> >>>>> --Vernon N7OH >>>>> ______________________________________________________________ >>>>> 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 >>>> >>>> -- >>>> FCC Section 97.313(a) “At all times, an amateur station must use the >>>> minimum transmitter power necessary to carry out the desired >>>> communications.” >>>> >>>> ______________________________________________________________ >>>> 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 >> > > > ______________________________________________________________ > 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
