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1. [TowerTalk] 80 meter beam (score: 1): Author: w7why@mail.coos.or.us (Tom Osborne); Date: Sat, 17 Oct 1998 04:01:45 -0700; Hi TT'ers A ham buddy of mine was on vacation and while coming through Santa Rosa, CA, he spotted a 3 element 80 meter beam on a tower. It has a 20 meter on top, 90 degrees off from the 80. It looks; /archives//html/Towertalk/1998-10/msg00518.html (6,858 bytes)
2. [TowerTalk] 80 Meter beam (score: 1): Author: Martin Pelt <n4uu73@gmail.com>; Date: Fri, 31 Mar 2017 08:00:30 -0400; I am putting a 80 meter 2 element inverted vee beam up. It will be at 120 feet with 39 foot boom. I have 2 questions dealing with switching from phone to cw without lowering elements and using jumper; /archives//html/Towertalk/2017-03/msg00456.html (6,890 bytes)
3. Re: [TowerTalk] 80 Meter beam (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Fri, 31 Mar 2017 07:30:44 -0700; I think you need to model what you are attempting. You don't mention the antenna support and if it is a tower then there is a fair amount of interaction with the V. However, a 39' boom will help if t; /archives//html/Towertalk/2017-03/msg00458.html (10,396 bytes)
4. Re: [TowerTalk] 80 Meter beam (score: 1): Author: Kelly Taylor <ve4xt@mymts.net>; Date: Fri, 31 Mar 2017 09:42:22 -0500; Heres a thought: if one can use a fan dipole to make an inverted vee cover both 80 and 75, how about a fan reflector? 73, kelly, ve4xt _______________________________________________ ________________; /archives//html/Towertalk/2017-03/msg00459.html (11,365 bytes)
5. Re: [TowerTalk] 80 Meter beam (score: 1): Author: "Bob Shohet, KQ2M" <kq2m@kq2m.com>; Date: Fri, 31 Mar 2017 10:54:55 -0400; Hi Martin, In the late 70s and early 80s, Gene KR2N (ex-WB2FZO) had 2 Inverted Vs on 80 meters fed with RG-213 on a ~ 42 boom up at 120. He fed them with a T connector to which I believe was one 1/4; /archives//html/Towertalk/2017-03/msg00460.html (9,145 bytes)
6. Re: [TowerTalk] 80 Meter beam (score: 1): Author: "Ed Sawyer" <sawyered@earthlink.net>; Date: Fri, 31 Mar 2017 11:10:39 -0400; Martin. I have a 2 el wire beam on a 36 ft boom. It is "kick a%&". What I did to solve that problem is dual drive the elements - 180 deg out of phase. Then just switch matching stubs at the bottom of; /archives//html/Towertalk/2017-03/msg00461.html (8,407 bytes)
7. Re: [TowerTalk] 80 Meter beam (score: 1): Author: john nistico <electric911inc@hotmail.com>; Date: Fri, 31 Mar 2017 15:33:21 +0000; I use a 3 element spaced 53 ft between elements. I use vacuum relays to add or subtract my cw jumper Sent from my iPhone _______________________________________________ ______________________________; /archives//html/Towertalk/2017-03/msg00462.html (9,266 bytes)
8. Re: [TowerTalk] 80 Meter beam (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Fri, 31 Mar 2017 08:39:40 -0700; It would be a bit tricky.. in a Yagi you rely on the resonances of the elements to couple energy between them with the correct magnitude and phase so that it "forms a beam" in the right direction. I; /archives//html/Towertalk/2017-03/msg00463.html (10,245 bytes)
9. Re: [TowerTalk] 80 Meter beam (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Fri, 31 Mar 2017 08:41:32 -0700; On 3/31/17 8:10 AM, Ed Sawyer wrote: Martin. I have a 2 el wire beam on a 36 ft boom. It is "kick a%&". What I did to solve that problem is dual drive the elements - 180 deg out of phase. Then just s; /archives//html/Towertalk/2017-03/msg00464.html (8,666 bytes)
10. Re: [TowerTalk] 80 Meter beam (score: 1): Author: Steve London <n2icarrl@gmail.com>; Date: Fri, 31 Mar 2017 09:43:59 -0600; I have a 2-element 80 meter wire beam, with inverted-vee elements. The boom length is 34 feet. The first thing to be aware of is the very narrow bandwidth. About 60 kHz between 2:1 SWR points, and th; /archives//html/Towertalk/2017-03/msg00465.html (8,671 bytes)
11. Re: [TowerTalk] 80 Meter beam (score: 1): Author: TexasRF--- via TowerTalk <towertalk@contesting.com>; Date: Fri, 31 Mar 2017 12:14:00 -0400; About 30 years ago I built a 3el 75/80m vagi on a 70ft 45G boom. It was installed on a 190ft 65G clone tower. Yes, it was heavy, over 1000 pounds. All three elements were 150 ft long, highly tapered,; /archives//html/Towertalk/2017-03/msg00466.html (11,723 bytes)
12. Re: [TowerTalk] 80 Meter beam (score: 1): Author: W4AAW Mike Lonneke via TowerTalk <towertalk@contesting.com>; Date: Fri, 31 Mar 2017 12:42:21 -0400; Thanks for sharing be that. Just fascinating! 73 Mike W4AAW _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting; /archives//html/Towertalk/2017-03/msg00467.html (12,998 bytes)
13. Re: [TowerTalk] 80 Meter beam (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 31 Mar 2017 10:00:39 -0700; I have 2 questions dealing with switching from phone to cw without lowering elements and using jumpers. I have a 2-element flat Yagi for 80/75 at 140 ft. It consists of two wure dipoles strung betwee; /archives//html/Towertalk/2017-03/msg00468.html (9,399 bytes)
14. Re: [TowerTalk] 80 Meter beam (score: 1): Author: "Ed Sawyer" <sawyered@earthlink.net>; Date: Fri, 31 Mar 2017 14:42:24 -0400; As Jim said ? it?s a W8JK. Fed 180 degrees out of phase with equal lengths of 450 Ohm open wire line. Each line is roughly ˝ wave long ? very hard to match if they are close to Ľ wave long. I have sw; /archives//html/Towertalk/2017-03/msg00469.html (8,166 bytes)
15. [TowerTalk] 80 meter beam (score: 1): Author: Martin Pelt <n4uu73@gmail.com>; Date: Fri, 31 Mar 2017 15:31:52 -0400; Thanks for the advice. Looks like best way to achieve the results will be to feed them both instead of parasitic array. Hopefully have boom up tommorow then start playing. 73, Martin N4UU ___________; /archives//html/Towertalk/2017-03/msg00471.html (8,193 bytes)
16. Re: [TowerTalk] 80 Meter beam (score: 1): Author: Edward Mccann via TowerTalk <towertalk@contesting.com>; Date: Fri, 31 Mar 2017 12:53:42 -0700; Jim: What is spacing between your two wire elements? Ed McCann AG6CX Sent from my iPhone _______________________________________________ _______________________________________________ TowerTalk mail; /archives//html/Towertalk/2017-03/msg00474.html (10,359 bytes)
17. Re: [TowerTalk] 80 Meter beam (score: 1): Author: "StellarCAT" <rxdesign@ssvecnet.com>; Date: Fri, 31 Mar 2017 17:26:46 -0400; "It is a bit unnerving to be at 190ft and hear a prop pitch motor screaming as the antenna suddenly moves about 90 degrees!" a day in the park Gerald ... Gary K9RX [says a guy that can't make it past; /archives//html/Towertalk/2017-03/msg00481.html (12,821 bytes)
18. Re: [TowerTalk] 80 Meter beam (score: 1): Author: "Jeff AC0C" <keepwalking188@ac0c.com>; Date: Fri, 31 Mar 2017 16:31:14 -0500; The most popular 80m rotatable antennas here in ice and wind prone Kansas are known by the local nickname of "stuff you mow around." As in "it came crashing down in the storm last winter - and by the; /archives//html/Towertalk/2017-03/msg00482.html (13,555 bytes)
19. Re: [TowerTalk] 80 Meter beam (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 31 Mar 2017 15:50:59 -0700; Yes. Thanks for the correction. 73, Jim _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.co; /archives//html/Towertalk/2017-03/msg00483.html (8,632 bytes)
20. Re: [TowerTalk] 80 Meter beam (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 31 Mar 2017 16:12:13 -0700; They're not parallel, roughly 20 degrees difference in azimuth, and they are rather widely spaced. At one point I did the trig to figure it out, but don't remember. Looking at the the View Antenna sc; /archives//html/Towertalk/2017-03/msg00486.html (10,758 bytes)

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