Frank, you must have misread my comment. When end fed, ANY radiator longer than 5/8 wavelength sees the main lobe skew toward the end opposite the feed point. That's why vertical antennas designed for low angle radiation are limited by the 5/8 rule. For horizontal antennas, the effect is not particularly noticeable until the antenna is more than a full wavelength. That's how Rhombics and V-Beams develop their directivity.
There may be a null off of the end even for the long wires I've been involved with. I am speaking of the main lobe skewing TOWARD the end instead of being at right angles to the wire. 73, Ron AC7AC -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Wednesday, January 10, 2018 8:40 PM To: Elecraft Reflector Subject: Re: [Elecraft] Long wire antennas Ron, What you've come to understand is absolutely false except for the special case of a long wire close to the ground. That special case is called a Beverage antenna that radiates vertically polarized radiation off the ends. When you raise a long wire antenna more than about 0.05 wavelengths above the ground, horizontal polarized radiation becomes dominant and the radiation pattern always has a deep null off the ends. 73 Frank W3LPL ----- Original Message ----- From: "Ron D'Eau Claire" <[email protected]> To: "Elecraft Reflector" <[email protected]> Sent: Thursday, January 11, 2018 4:08:40 AM Subject: Re: [Elecraft] Long wire antennas Understand that a true "long wire" (greater than 1 wavelength) starts to be directional off of its end (if fed at one end, that's the opposite end). 73, Ron AC7AC -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Rich Arland Sent: Wednesday, January 10, 2018 6:02 PM To: William Levy; Elecraft Reflector Subject: Re: [Elecraft] Long wire antennas And in a previous posting Sir William of Levy stated: "COSMIC rule of antennas! The more wire the better. Always." Hear....Hear!!!!! Dilly, Dilly!!!! Right arm, dude!!!! Vy 73 es gud DX! Rich Arland K7SZ Cogito ergo CQ (I think therefore, I HAM) ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
