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21. Re: [TowerTalk] HFTA (score: 1): Author: "David Thompson" <thompson@mindspring.com>; Date: Wed, 21 Apr 2010 21:55:13 -0400; David, Years ago the N4RJ contest station ( 7 or 8 towers) had a 4 stack of Cushcraft 4 el 10 meter beams. We had some help from W2PV and K6STI with the stack arrangement. We found that the best plac; /archives//html/Towertalk/2010-04/msg00647.html (7,983 bytes)
22. Re: [TowerTalk] HFTA (score: 1): Author: Cqtestk4xs@aol.com; Date: Wed, 21 Apr 2010 23:23:23 EDT; Testing with HFTA at different heights and stack separation, we found that the best heights are 18/21/24 meters, in order to cover with the best gain and angles the wave angle of arrival stats. Obvio; /archives//html/Towertalk/2010-04/msg00654.html (8,306 bytes)
23. Re: [TowerTalk] HFTA (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 21 Apr 2010 21:14:16 -0700; Yes. The fundamental answer is that HFTA models only one thing -- how an antenna at a given height interacts with terrain. It can do that for several antennas at different heights, but as I understan; /archives//html/Towertalk/2010-04/msg00657.html (8,591 bytes)
24. [TowerTalk] HFTA (score: 1): Author: "Barry Merrill" <barry@mxg.com>; Date: Sun, 25 Apr 2010 03:55:08 -0500; Since you brought it up, what is HFTa'S optimum slope angle and distance for maximum gain? I assume it's different for each HF band? Barry, W5GN _______________________________________________ ______; /archives//html/Towertalk/2010-04/msg00766.html (8,100 bytes)
25. Re: [TowerTalk] HFTA (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Sun, 25 Apr 2010 06:31:28 -0700; Study the discussion of HFTA in the ARRL Antenna Book. 73, Jim K9YC _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@co; /archives//html/Towertalk/2010-04/msg00769.html (8,459 bytes)
26. Re: [TowerTalk] HFTA (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Sun, 25 Apr 2010 12:06:18 -0400; Yes, by all means, look at the descriptions in the Antenna Book and on the ARRL web site. I'm not sure if it is mentioned there, but there's one added consideration. I think I'm correct to describe H; /archives//html/Towertalk/2010-04/msg00778.html (10,103 bytes)
27. [TowerTalk] HFT (score: 1): Author: k7lxc--- via TowerTalk <towertalk@contesting.com>; Date: Wed, 17 Mar 2021 16:05:09 +0000 (UTC); Howdy, TowerTalkians - This is a little off topic so feel free to use your delete key. In the last month I've spotted 3 big HF yagi installations mounted on non-ham towers on non-ham properti; /archives//html/Towertalk/2021-03/msg00213.html (7,928 bytes)
28. Re: [TowerTalk] HFT (score: 1): Author: Bruce Horn <bhorn@hornucopia.com>; Date: Wed, 17 Mar 2021 11:40:53 -0500 (CDT); https://spectrum.ieee.org/tech-talk/telecom/wireless/wall-street-tries-shortwave-radio-to-make-highfrequency-trades-across-the-atlantic Howdy, TowerTalkians - This is a little off topic so feel f; /archives//html/Towertalk/2021-03/msg00214.html (8,484 bytes)
29. Re: [TowerTalk] HFT (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Wed, 17 Mar 2021 12:51:13 -0400; Probably one of few things that is keeping S-IR alive ... I know they have REDUCED their product offering to hams in last month or two Dave NR1DX Howdy, TowerTalkians - This is a little off topic so; /archives//html/Towertalk/2021-03/msg00215.html (9,220 bytes)
30. Re: [TowerTalk] HFT (score: 1): Author: Steve Dyer W1SRD via TowerTalk <towertalk@contesting.com>; Date: Wed, 17 Mar 2021 10:02:51 -0700; What evidence do you have for that statement? The web site looks like it has the same products they have for years. Steve W1SRD Dave NR1DX Howdy, TowerTalkians - ??? ??? This is a little off topic so; /archives//html/Towertalk/2021-03/msg00216.html (10,656 bytes)
31. Re: [TowerTalk] HFT (score: 1): Author: David Propper <k2dp@charter.net>; Date: Wed, 17 Mar 2021 12:02:52 -0500; HI All, just fyi, Rhode Schwartz has put together an excellent presentation on the re-birth of commercial HF communications. And yes, the stock traders are using HF to combat the lag time of conventi; /archives//html/Towertalk/2021-03/msg00217.html (11,317 bytes)
32. Re: [TowerTalk] HFT (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Wed, 17 Mar 2021 13:18:23 -0400; When I looked last Friday you could no longer buy the standard 20-6M products ( 3E, 2E etc) . You now had no choice but to but buy an antenna With the 30/40M sweeps which have been problematic. Go he; /archives//html/Towertalk/2021-03/msg00218.html (11,903 bytes)
33. Re: [TowerTalk] HFT (score: 1): Author: W7TMT - Patrick <W7TMT@outlook.com>; Date: Wed, 17 Mar 2021 17:29:46 +0000; I was looking for an old style (straight element) 20-10M dipole. No longer appears on the site as best as I can tell. Theres a heading for Dipole but its for an add-on not a plain standalone unit. Ma; /archives//html/Towertalk/2021-03/msg00219.html (13,442 bytes)
34. Re: [TowerTalk] HFT (score: 1): Author: Steve Dyer W1SRD via TowerTalk <towertalk@contesting.com>; Date: Wed, 17 Mar 2021 10:34:24 -0700; They announced sometime back that they were "simplifying" the ordering and manufacturing process and creating packaged antennas that included the most popular options bundled. You can argue the strat; /archives//html/Towertalk/2021-03/msg00220.html (13,979 bytes)
35. Re: [TowerTalk] HFT (score: 1): Author: W7TMT - Patrick <W7TMT@outlook.com>; Date: Wed, 17 Mar 2021 17:40:21 +0000; Wasnt suggesting they were in trouble. I was just offering my observation that the product offerings have in fact changed. Given the price, something like a dipole is likely very low demand. So its n; /archives//html/Towertalk/2021-03/msg00221.html (16,148 bytes)
36. Re: [TowerTalk] HFT (score: 1): Author: "Lux, Jim" <jim@luxfamily.com>; Date: Wed, 17 Mar 2021 11:12:19 -0700; This is a little off topic so feel free to use your delete key. In the last month I've spotted 3 big HF yagi installations mounted on non-ham towers on non-ham properties. One had 3 big yagis; /archives//html/Towertalk/2021-03/msg00223.html (8,889 bytes)
37. Re: [TowerTalk] HFT (score: 1): Author: "Larry B. via TowerTalk" <towertalk@contesting.com>; Date: Wed, 17 Mar 2021 15:45:41 -0400; Perhaps the UrbanBeam is doing better than the dipole? 73 -- Larry -- W1DYJ Wasnďż˝t suggesting they were in trouble. I was just offering my observation that the product offerings have in fact change; /archives//html/Towertalk/2021-03/msg00224.html (16,096 bytes)
38. Re: [TowerTalk] HFT (score: 1): Author: W7TMT - Patrick <W7TMT@outlook.com>; Date: Wed, 17 Mar 2021 20:19:33 +0000; I contest from a 38 sailboat located near Seattle. When people comment on the difficulties of a small city lot it brings a smile to my face. My lot is 12 wide at its widest and 38 long with a 45 alum; /archives//html/Towertalk/2021-03/msg00226.html (19,620 bytes)
39. Re: [TowerTalk] HFT (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Wed, 17 Mar 2021 13:23:56 -0700; Probably pruning for what sells the most - still a lot of choices. Although my 4E no sweeps is a great antenna, and I like it better than the DB36. Ask if you want one not listed. Grant KZ1W Go here; /archives//html/Towertalk/2021-03/msg00227.html (12,601 bytes)
40. Re: [TowerTalk] HFT (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 17 Mar 2021 14:20:59 -0700; On 3/17/2021 1:19 PM, W7TMT - Patrick wrote: While it would be nice to get a small beam to the top of my mast 45 above the saltwater, it isnt practical nor safe. I have to put the antennas up on Frid; /archives//html/Towertalk/2021-03/msg00229.html (10,888 bytes)

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