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1. [TowerTalk] The Value of HFTA (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sun, 20 Jan 2019 10:46:16 -0800; My own station has complex topography, and Dean suggested that I take data out to 14 miles. I ran a LOT of radials at a lot of heights, and got pretty consistent results. They showed that the 120 ft; /archives//html/Towertalk/2019-01/msg00155.html (8,545 bytes)
2. Re: [TowerTalk] The Value of HFTA (score: 1): Author: Wes <wes_n7ws@triconet.org>; Date: Sun, 20 Jan 2019 12:01:27 -0700; Isn't that pretty much what I inferred? You put it up as high as your location and checkbook can stand and wait for the propagation gods to smile on you. Wes N7WS On 1/20/2019 11:46 AM, Jim Brown w; /archives//html/Towertalk/2019-01/msg00156.html (9,361 bytes)
3. Re: [TowerTalk] The Value of HFTA (score: 1): Author: "Bob Shohet, KQ2M" <kq2m@kq2m.com>; Date: Sun, 20 Jan 2019 15:18:42 -0500; Speaking now about HFTA and K6STIs YO programs, I wont go into the shortcomings of HFTA but rather how they were BOTH useful to me. HFTA was very useful for plotting the relative time of signals arri; /archives//html/Towertalk/2019-01/msg00159.html (12,681 bytes)
4. Re: [TowerTalk] The Value of HFTA (score: 1): Author: Bob K6UJ <k6uj@pacbell.net>; Date: Sun, 20 Jan 2019 21:03:23 +0000 (UTC); Very good explanation Bob ! 73,BobK6UJ HFTA was very useful for plotting the relative time of signals arriving at each wave angle for a given path and for a given qth and reference antenna. This was; /archives//html/Towertalk/2019-01/msg00160.html (13,720 bytes)
5. Re: [TowerTalk] The Value of HFTA (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Sun, 20 Jan 2019 14:33:30 -0800; HFTA was very useful for plotting the relative time of signals arriving at each wave angle for a given path and for a given qth and reference antenna. This was expressed in a bar chart and a line abo; /archives//html/Towertalk/2019-01/msg00163.html (12,434 bytes)
6. Re: [TowerTalk] The Value of HFTA (score: 1): Author: "Edward Sawyer" <sawyered@earthlink.net>; Date: Mon, 21 Jan 2019 05:18:19 -0500; "Isn't that pretty much what I inferred?? You put it up as high as your location and checkbook can stand and wait for the propagation gods to smile on you." Wes? N7WS Actually Wes, this is 100% wrong; /archives//html/Towertalk/2019-01/msg00165.html (6,866 bytes)
7. Re: [TowerTalk] The Value of HFTA (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Mon, 21 Jan 2019 08:49:34 -0500; Very few contesters would put a single antenna as high as financially feasible without modeling. A high antenna can have nulls at desirable radiation angles. John KK9A Isn't that pretty much what I i; /archives//html/Towertalk/2019-01/msg00166.html (7,355 bytes)
8. Re: [TowerTalk] The Value of HFTA (score: 1): Author: Wes <wes_n7ws@triconet.org>; Date: Mon, 21 Jan 2019 08:22:27 -0700; I'm a firm believer modeling. I use EZNEC and AutoEZ and trust them. Wes Wes? N7WS Actually Wes, this is 100% wrong if you have complex terrain. I have that here and I modeled 10, 15, 20, 40 using H; /archives//html/Towertalk/2019-01/msg00167.html (8,582 bytes)
9. Re: [TowerTalk] The Value of HFTA (score: 1): Author: Máximo EA1DDO_HK1H <ea1ddo@hotmail.com>; Date: Mon, 21 Jan 2019 15:39:11 +0000; I'm a firm believer modeling, as well. I use 4NEC2, Mmana & Eznec, and I trust them too. 73, Maximo I'm a firm believer modeling. I use EZNEC and AutoEZ and trust them. Wes __________________________; /archives//html/Towertalk/2019-01/msg00168.html (7,654 bytes)
10. Re: [TowerTalk] The Value of HFTA (score: 1): Author: Kelly Taylor <ve4xt@mymts.net>; Date: Mon, 21 Jan 2019 10:40:37 -0600; I remember being at one of Deans presentations in Rochester, Minn., and if I recall correctly, the value in one model was picking the optimal height for all three tribander bands: I dont know if it w; /archives//html/Towertalk/2019-01/msg00169.html (9,252 bytes)
11. Re: [TowerTalk] The Value of HFTA (score: 1): Author: John Simmons <jasimmons@pinewooddata.com>; Date: Mon, 21 Jan 2019 10:58:36 -0600; I think some of you are missing an important point about HFTA: In some cases, as high as you can go may not be what you want to do. If you have an extreme slope in one direction, you may only want to; /archives//html/Towertalk/2019-01/msg00170.html (10,907 bytes)
12. Re: [TowerTalk] The Value of HFTA (score: 1): Author: Kelly Taylor <ve4xt@mymts.net>; Date: Mon, 21 Jan 2019 11:01:06 -0600; I think you were missing my point: the value in modelling to pick the right height. Isnt that what youre also saying? 73, kelly, ve4xt _______________________________________________ ________________; /archives//html/Towertalk/2019-01/msg00171.html (11,885 bytes)
13. Re: [TowerTalk] The Value of HFTA (score: 1): Author: John Simmons <jasimmons@pinewooddata.com>; Date: Mon, 21 Jan 2019 11:05:39 -0600; Yes. I said "SOME" people are missing the point Kelly Taylor wrote on 1/21/2019 11:01 AM: I think you were missing my point: the value in modelling to pick the right height. Isnt that what youre also; /archives//html/Towertalk/2019-01/msg00172.html (11,962 bytes)
14. Re: [TowerTalk] The Value of HFTA (score: 1): Author: Steve Lott <lottsphoto@gmail.com>; Date: Mon, 21 Jan 2019 11:09:22 -0600; I do not have Extreme Terrain But in NE Texas HFTA Shows that if I place my 6 el 20m monobander At 130 feet. Versus 150 feet I will have a better signal into EU and JA My Tower will therefore be 150; /archives//html/Towertalk/2019-01/msg00173.html (13,102 bytes)
15. Re: [TowerTalk] The Value of HFTA (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Mon, 21 Jan 2019 12:25:24 -0500; I think for 99.9% of us there are antenna compromises that we have to make. K3LR may be the exception. Modeling just gives us the knowledge to make efficient use of our resources. John KK9A I remembe; /archives//html/Towertalk/2019-01/msg00174.html (8,455 bytes)
16. Re: [TowerTalk] The Value of HFTA (score: 1): Author: Wes <wes_n7ws@triconet.org>; Date: Mon, 21 Jan 2019 11:12:36 -0700; Hmm. I must remember that having my tongue firmly planted in my cheek doesn't come across in text form too often. That said, I do not work contests unless it's to pick up a band-slot from time-to-ti; /archives//html/Towertalk/2019-01/msg00179.html (10,321 bytes)
17. Re: [TowerTalk] The Value of HFTA (score: 1): Author: "Edward Sawyer" <sawyered@earthlink.net>; Date: Mon, 21 Jan 2019 14:23:04 -0500; Those that are firm believers in modeling should understand the purpose and limitations of their modeling software. "Antenna Modeling software" is used to design an antenna above a modeled ground pla; /archives//html/Towertalk/2019-01/msg00184.html (9,075 bytes)
18. Re: [TowerTalk] The Value of HFTA (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Mon, 21 Jan 2019 11:21:51 -0800; N6BV is a contester, and retired editor of the ARRL Antenna Book. Dean lives in the city of San Francisco, and contests at N6RO. Here are old photos and a description of that station's antenna farm.; /archives//html/Towertalk/2019-01/msg00185.html (9,674 bytes)
19. Re: [TowerTalk] The Value of HFTA (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Mon, 21 Jan 2019 11:33:23 -0800; On 1/21/2019 11:23 AM, Edward Sawyer wrote: One thing that HFTA does NOT do well is answer the question about stacking from a "max gain" perspective. EZNEC will tell you the best design for stacking; /archives//html/Towertalk/2019-01/msg00186.html (8,818 bytes)
20. Re: [TowerTalk] The Value of HFTA (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Mon, 21 Jan 2019 15:20:38 -0800; On 1/21/19 11:33 AM, Jim Brown wrote: On 1/21/2019 11:23 AM, Edward Sawyer wrote: One thing that HFTA does NOT do well is answer the question about stacking from a "max gain" perspective. EZNEC will; /archives//html/Towertalk/2019-01/msg00191.html (9,393 bytes)

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