Interesting, I have a doublet 125 feet per leg and fed with 600 ohm true open ladder line (not window line) and the K-3 and KAT-500 both tune it to 1:1 160-6.
Feed point 40 feet up with ends at about 10 feet each. So inverted Vee. Sent from my iPad > On Aug 25, 2020, at 16:59, kevinr <[email protected]> wrote: > > Two reasons why I want to use an inverted L. One) it fits my property well. > Two) I have never tried one before. > > I currently have an extra long doublet. I can't remember the exact length > but seem to remember over 120 feet for each leg. The tuner on my K3 just > won't match it below 2:1.0 so I don't want to transmit on it. It hears well > enough but just won't match. > > Reason number two pushes me onward :) > > 73, Kevin. KD5ONS > > >> On 8/25/20 4:49 PM, Lyn Norstad wrote: >> Good gracious. Why does everyone overthink 160m? OK, maybe just because >> it's fun. I get that. >> >> But as to operation, I have one (1) antenna, and it is a 360 foot EDZ >> (dipole) cut for 3.5 MHz. It's great on all bands, 160 - 6m. No radials >> needed. >> >> Specifically I worked 47 of the 50 states in one 24 hour period on 160m >> (holdouts were AK, HI and NV - all picked up within a day or two). >> >> I could 'splain more, if anyone is interested. >> >> 73 >> Lyn, W0LEN >> >> >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of kevinr >> Sent: Tuesday, August 25, 2020 6:24 PM >> To: Elecraft Reflector >> Subject: [Elecraft] Inverted L for 160 meters >> >> From what I can find, and what I can calculate, five wires, each ~130 >> feet long, could make a nice inverted L for 160 meters. One leg for the >> vertical and horizontal portion of the antenna. Four legs for the >> counterpoise (ground plane). There are many broken wire antennas stored >> in my shed which are fodder for the radials. Do all of the legs for the >> counterpoise need to be 1/4 wavelength or can I substitute some shorter >> lengths? The feedpoint should somewhere above 50 ohms impedance. As I >> add more radials that number will reach 50 ohms asymptotically. >> >> I can get the vertical part up to 70 or 80 feet above ground with the >> rest of it horizontal. Most of the radiation should take place from the >> vertical part since it is closer to the feed point. But there should be >> some effect from the direction of the horizontal portion. How strongly >> does the direction of the horizontal portion effect the radiation >> pattern of the antenna system? My property allows me to point it from >> 300 degrees around to 200 degrees so I have plenty of options. Between >> 200 and 300 degrees there is a road used by loggers, and the folks >> maintaining the towers at the top of this mountain. They can break any >> antenna lower than 80 feet above ground. Spar poles and cranes clear >> out any dead limbs across the road. >> >> Inquiring minds... >> >> Kevin. KD5ONS >> >> ______________________________________________________________ >> 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]
