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41. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: "Frederick M. Mott" <ab8ah@embarqmail.com>; Date: Sun, 9 Mar 2008 00:27:03 -0500; I have had experience with operating an Army MARS station, AB8AH, at a location with only a banana tree and a few French buildings near our towers. Our station was always the first station in our net; /archives//html/Towertalk/2008-03/msg00146.html (9,732 bytes)
42. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Sat, 08 Mar 2008 23:30:27 -0700; How, pray tell, does using a quad versus a yagi have any effect on the attenuation of the signal after it leaves the antenna? Dave AB7E _______________________________________________ _______________; /archives//html/Towertalk/2008-03/msg00148.html (8,914 bytes)
43. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>; Date: Sun, 09 Mar 2008 04:50:21 -0400; Trees, particularly in the warmer weather should show up as a *lossy* rise in the the landscape/terrain close in (near field). How much of a rise and how lossy is a real wild card but it could, in so; /archives//html/Towertalk/2008-03/msg00149.html (9,828 bytes)
44. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Sun, 09 Mar 2008 12:49:37 +0100; Please explain. Or if anyone can point to any research on the mattere. IMO this is an old wifestail. _______________________________________________ _______________________________________________ To; /archives//html/Towertalk/2008-03/msg00150.html (8,105 bytes)
45. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Sun, 09 Mar 2008 12:55:53 +0100; Yeah get a SteppIR and it will work wounders no matter the height. It reminds me of the old Gotham ads from the 60:ties, jeez fellows time to get real. _______________________________________________; /archives//html/Towertalk/2008-03/msg00151.html (8,189 bytes)
46. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Sun, 09 Mar 2008 13:00:04 +0100; Why? In the first place on HF trees will hardly do any inpact at all. Also there has been a few studies on Yagis vs Quads, remember one by K6YNB (now N6NB), as far as I remember it could never be pro; /archives//html/Towertalk/2008-03/msg00152.html (8,448 bytes)
47. [TowerTalk] ANTENNA HEIGHT (score: 1): Author: "Larry Schimelpfenig" <larryk7sv@comcast.net>; Date: Sun, 9 Mar 2008 11:11:05 -0400; I had a KT34XA at 55 ft with poplars and pines extending ten to twenty feet above it and all around it. Worked great. I increased the tower by another 10 feet and it worked even better. I attribute t; /archives//html/Towertalk/2008-03/msg00157.html (6,904 bytes)
48. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: "W3JK" <w3jk@arrl.net>; Date: Sun, 9 Mar 2008 12:53:30 -0400; I am surrounded on all 4 sides by trees taller (less than 100 ft away from the tower) and yet I am loud from my qth. I open and close bands to EU when stations in EU say that I am the only one from t; /archives//html/Towertalk/2008-03/msg00158.html (12,025 bytes)
49. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Sun, 09 Mar 2008 10:37:27 -0700; Agreed. I think the type of tree and the time of year must have at some effect on how lossy it might be. I had to cut down a large, live branch (full set of green leaves) of an Arizona White Oak here; /archives//html/Towertalk/2008-03/msg00159.html (13,331 bytes)

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