Do yourself a favor sometime and measure the 2:1 SWR bandwidth and use the tutorial to calculate how much loss you really have. Just for grins..... It gives you a bench mark.....
Mel, K6KBE From: Doug Person <d...@k0dxv.com> To: elecraft@mailman.qth.net Sent: Thursday, February 9, 2017 2:22 PM Subject: Re: [Elecraft] EFHW I am feeding my end-feds with over 100 feet of coax and they work just fine. Doug - K0DXV On 2/9/2017 1:21 PM, K9MA wrote: > Well said, Bill! > > 73, > > Scott K9MA > > On 2/9/2017 10:39, Bill Leonard N0CU wrote: >> The reason your antenna was a lot less finicky with a bit of coax is >> that the >> EFHW antenna requires a return path for the RF field. Theoretically, >> without >> a return path, the antenna won't radiate at all. The recommended >> setup for >> this antenna is for a .05 wavelength counterpoised to be used. EZNEC >> models >> indicate that there is little benefit to going much longer than .05 >> wavelengths, and a quarter wavelength is actually less effective than >> the >> shorter lengths. If no counterpoise is used, then coax shield >> becomes the >> counterpoise by default. >> >> Bill N0CU >> >> >> >> > > ______________________________________________________________ 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 farrerfo...@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