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Total 43 documents matching your query.

1. [TowerTalk] HFTA (score: 1): Author: Fabio IZ4AFW <iz4afw@libero.it>; Date: Thu, 11 Sep 2003 19:09:28 +0200; Hi guys, anyone knows when HFTA will be released? I remember it should ship with the new ARRL Antenna Book, maybe now in September? Thanks 73 Fabio IZ4AFW -- EMail fabio.mantovani@inwind.it iz4afw@am; /archives//html/Towertalk/2003-09/msg00323.html (6,848 bytes)
2. [TowerTalk] HFTA (score: 1): Author: Chuck <wcmoore@verizon.net>; Date: Fri, 17 Sep 2004 11:10:04 -0400; High Frequency Terrain Assessment _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll F; /archives//html/Towertalk/2004-09/msg00345.html (8,822 bytes)
3. [TowerTalk] HFTA (score: 1): Author: Bill Ogden <ogden@us.ibm.com>; Date: Fri, 9 Dec 2005 12:52:27 -0500; Does anyone have a more detailed writeup available for setting up HFTA? I have the Antenna Handbook and CD, but it is rather general about how to download the necessary mappng data. Bill -- W2WO ____; /archives//html/Towertalk/2005-12/msg00175.html (6,692 bytes)
4. Re: [TowerTalk] HFTA (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Fri, 09 Dec 2005 13:04:53 -0500; Check the writeup that N6BV has posted in the TIS section of www.arrl.org. You'll need to be a little creative in applying what's there, because there have been some changes in the individual screens; /archives//html/Towertalk/2005-12/msg00177.html (8,399 bytes)
5. Re: [TowerTalk] HFTA (score: 1): Author: "Tom McAlee" <tom@klient.com>; Date: Fri, 9 Dec 2005 15:20:40 -0500; In addition to the link N4ZR pointed out, check the help file that installs with HFTA from the antenna book's cd-rom. I found it to be a lot more instructional than what is explained in the antenna b; /archives//html/Towertalk/2005-12/msg00184.html (8,727 bytes)
6. Re: [TowerTalk] HFTA (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Fri, 09 Dec 2005 15:43:05 -0500; The reason for the piece on the ARRL web page (which I wrote) was to update things from the documentation on the original CD. Later editions probably substitute the updated piece on the CD. Things ha; /archives//html/Towertalk/2005-12/msg00188.html (10,550 bytes)
7. Re: [TowerTalk] HFTA (score: 1): Author: "Bill VanAlstyne W5WVO" <w5wvo@cybermesa.net>; Date: Fri, 9 Dec 2005 16:52:51 -0700; I "discovered" this bug a loooong time ago, and sent several emails to the webmaster of the USGS site -- none of which were ever responded to, of course. What I didn't come up with was the SOLUTION!; /archives//html/Towertalk/2005-12/msg00197.html (12,055 bytes)
8. [TowerTalk] HFTA (score: 1): Author: "Clive Whelan" <clive.whelan@btinternet.com>; Date: Wed, 28 Dec 2005 18:52:18 -0000; Seems that this prog. is included in the 20th edn of the ARRL antenna handbook, but not the 19th which I bought only this year :-(( Is this available to me as an ARRL member anywhere, or do I have to; /archives//html/Towertalk/2005-12/msg00569.html (8,595 bytes)
9. Re: [TowerTalk] HFTA (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Wed, 28 Dec 2005 11:04:04 -0800; Hope you saved a bunch on the price of the 19th edition<grin>. Amazingly, Amazon will sell you the old edition for $40 (which is the same price as the 20th ed from ARRL). 20th ed is copyright 2003..; /archives//html/Towertalk/2005-12/msg00571.html (8,878 bytes)
10. Re: [TowerTalk] HFTA (score: 1): Author: "R. Kevin Stover" <rkstover@mchsi.com>; Date: Wed, 28 Dec 2005 17:38:48 -0600; Yep, get yer wallet out. -- R. Kevin Stover ACØH K2/100 #4684 Reclaim Your Inbox! http://www.mozilla.org/products/thunderbird _______________________________________________ See: http://www.m; /archives//html/Towertalk/2005-12/msg00576.html (8,767 bytes)
11. Re: [TowerTalk] HFTA (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 28 Dec 2005 19:36:11 -0500; handbook, but not the 19th which I bought only this year :-( The predecessor of HFTA was N6BV's YT which is included in your 19th edition. See page 3-13 and the CD-ROM. I thought the comments about i; /archives//html/Towertalk/2005-12/msg00582.html (8,163 bytes)
12. Re: [TowerTalk] HFTA (score: 1): Author: Kevin Normoyle <knormoyle@comcast.net>; Date: Wed, 28 Dec 2005 18:21:23 -0800; just an fyi: In Sept this year, I used the HFTA program for the first time. the USGS site for downloading terrain data has/had changed again since HFTA-Changes.pdf was written. (when I used it in Sep; /archives//html/Towertalk/2005-12/msg00584.html (8,093 bytes)
13. [TowerTalk] HFTA (score: 1): Author: Peter Dougherty <w2irt@comcast.net>; Date: Tue, 22 May 2007 10:38:12 -0400; Hi all, I'd like to ask a big favor of someone on-list who may be able to help me run HFTA for my home QTH. Two days of trying, and I can't even figure out how to load the darned software, let alone; /archives//html/Towertalk/2007-05/msg00505.html (6,559 bytes)
14. [TowerTalk] HFTA (score: 1): Author: Steve <steve65@suddenlink.net>; Date: Wed, 07 Nov 2007 21:58:55 -0500; I haven't used HFTA for a couple of years and the web site from which topographic data is downloaded has changed somewhat. The Elevation ==> 1' NED option mentioned in the HFTA instructions is no lon; /archives//html/Towertalk/2007-11/msg00189.html (7,109 bytes)
15. Re: [TowerTalk] HFTA (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Thu, 8 Nov 2007 07:57:44 +0000; Have you downloaded the latest HFTA instructions from the ARRL site? http://www.arrl.org/notes/9876/HFTA.pdf (updated Sep 10th, 2007) -- 73 from Ian GM3SEK 'In Practice' columnist for RadCom (RSGB) h; /archives//html/Towertalk/2007-11/msg00192.html (7,774 bytes)
16. Re: [TowerTalk] HFTA (score: 1): Author: K4SAV <RadioIR@charter.net>; Date: Thu, 08 Nov 2007 09:22:17 -0600; The USGS website dropped the 1 arc second option from their menu after the last revision of the HFTA instructions, so the answer won't be in there. If you select the 1/3 arc second option, you will s; /archives//html/Towertalk/2007-11/msg00195.html (8,053 bytes)
17. [TowerTalk] HFTA (score: 1): Author: "David J. Sourdis - HK1A" <hk1kxa@hotmail.com>; Date: Wed, 21 Apr 2010 19:42:33 -0500; We have been running HFTA for a 3 stack of 5 L for 28 MHz. The tower is on the side slope of a small hill. The tower base is about 15 meters above the relatively flat terrain in an azimuth of interes; /archives//html/Towertalk/2010-04/msg00639.html (8,882 bytes)
18. Re: [TowerTalk] HFTA (score: 1): Author: Stan Stockton <k5go@cox.net>; Date: Wed, 21 Apr 2010 19:57:33 -0500; David, HFTA will give some false information with close spacing for stacked antennas. I don't think you would want to stack them that close - less than a half wavelength. Not that you can do it but i; /archives//html/Towertalk/2010-04/msg00641.html (10,944 bytes)
19. Re: [TowerTalk] HFTA (score: 1): Author: K4SAV <RadioIR@charter.net>; Date: Wed, 21 Apr 2010 20:08:56 -0500; HK1A wrote: 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; /archives//html/Towertalk/2010-04/msg00642.html (8,263 bytes)
20. Re: [TowerTalk] HFTA (score: 1): Author: <john@kk9a.com>; Date: Wed, 21 Apr 2010 21:27:00 -0400; Try using only two yagis and more separation. I think that the gain will be about the same and it will have better F/B. John KK9A aka P40A We have been running HFTA for a 3 stack of 5 L for 28 MHz. T; /archives//html/Towertalk/2010-04/msg00645.html (9,295 bytes)

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