If, as I suspect, the "EH" antenna of which you speak is the infamous crossed-field antenna, or "CFA", be warned that at best it's a big mistake, and at worst it's a hoax. The feedline to a CFA does
Tom wrote... Tom, Yes, these fringe ideas stick around because the theory always looks reasonable, except for an innocuous looking but terribly fatal flaw. In this case: "...the beads affect both the
Greetings all, The Gap Titan is working just fine In researching asymmetrical antennas with compact features, like the Gap Titan, I came across reports about compact EH antenna theory. Some excellent
1. Well the EH websites sure looked neat! I would comment that according to many who helped me a few years ago with an Isotron for 160M, most claimed my amazing radiation into places like Utah and Ar
The cfa and eh are different, but your description applies to both. David Robbins K1TTT e-mail: mailto:k1ttt@arrl.net web: http://www.k1ttt.net AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
longer I owned the GAP Voyager from '92 through 2000. It was a very good performer on 40M, marginal on 80M, and absolutely useless on 160 and 20M. I now have a Force12 Sigma-40 and I am much more pl
https://www.youtube.com/watch?v=u9n26KE9xPo <https://www.youtube.com/watch?v=u9n26KE9xPo&feature=youtu.be> &feature=youtu.be Sure beats the back-breaking labour involved to do 'em by hand! -- GO FRC!
That's why people invented coaxial relays. Use it and you don't have to "blow fuses" on the AUX antenna input that is probably being overloaded (i.e. the B antenna way too close to the A antenna). Wh
I can't disagree that much. I've worked a dozen or so countries with mine on 160, but that was probably in spite of the Voyage, not because of it. 20 is much the same. I use mine as a backup for 40-8
The Gap Voyager makes a good 40/75/80 vertical antenna, though it is longer than 25 feet and, therefore, does require guys. See http://www.qsl.net/w6old/voyager.html 73, Dick -- Dick Flanagan W6OLD
Hi Tim, The E-H antenna is nonsense based on the worse kind of theory. It is an offshoot of the ten-year-old CFA (that no one else outside the "inventors" has ever seen work). There are perhaps a ha
Yes indeed a hoot. However this HB9ABX fellow got a correct opinion about the EH-"thing", I refuse to call it an antenna. If you understand German here goes: Kommentar von HB9ABX: Ausserdem habe ich
Yes Ed Fluidmotions did have a full size 4 el on display.Very impresive I might add as well.I was also informed they are planning to offer a 40 - 15 meter model next year. Dave, AE8U To: <towertalk@c
Hi Jan, I don't have any ground plane system installed with the E-H, and although I did not check what you suggested (short-circuit the end of the feedline, and just use that), I did a near-field pro
Author: Steve Davis | Davis RF <sdavis@davisrf.com>
Date: Sun, 28 May 2023 22:11:52 +0000
Hello TTalkers, I have a 4 Square relay box available which was produced by Colatchco, Inc. This circuit was then sold to Comtek, who ultimately sold to DX Engineering (I believe DXE made some modifi
reviewer against it, and could be Actually Ted Hart, who claims to be the inventor of the EH antenna, gave a stern warning to never use common mode chokes on the feedline of EH antennas because it s
Author: Wes Stewart via Topband <topband@contesting.com>
Date: Fri, 19 Apr 2024 20:40:59 +0000 (UTC)
Indeed. I think I'll apply for a patent on the Hocus-Pocus Antenna. This is the prior art: https://patentimages.storage.googleapis.com/50/3f/f8/2b6215517b5e7a/US10644404.pdf Wes N7WS On Friday, Apr
The HEBA appears to be the same animal as the CFA (Crossed Field Antenna) patented by Dr. Kabbary and M.C. Hately in the late 1980s. As the HEBA Model 103 Performance Analysis says, *" WWAS accomplis
Thank you Dave. 73, Marsh KA5M From W6NL: The history of this antenna begins with my 2003 antenna with 27-foot boom, designed for our 125 mi/h (200 km/h) winds. See https://www.kkn.net/dayton2004/day