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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+more\s+on\s+NVIS\s*$/: 3 ]

Total 3 documents matching your query.

1. [TowerTalk] more on NVIS (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Mon, 25 Jul 2005 12:08:29 -0700; There's an interesting article at: http://www.gordon.army.mil/AC/Fall02/BCTSOP2.htm which discusses various HF comm modes, with a fair amount of detail on NVIS. In particular, go about 2/3 of the way; /archives//html/Towertalk/2005-07/msg00730.html (7,109 bytes)
2. Re: [TowerTalk] more on NVIS (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Mon, 25 Jul 2005 16:27:46 -0400; of detail on where they start showing "average" and "perfect" down to 0.1 ft). and So they show the same thing we said here. As the antenna is lowered, efficiency takes a big hit and signal levels a; /archives//html/Towertalk/2005-07/msg00732.html (8,655 bytes)
3. Re: [TowerTalk] more on NVIS (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Tue, 26 Jul 2005 17:10:08 -0400; W8JI: signal levels at all angles decrease. Tom, when I decided to put up a high-angle antenna to complement my 160 vertical, I modeled a droopy dipole (or large included-angle inverted-V) over avera; /archives//html/Towertalk/2005-07/msg00766.html (8,190 bytes)

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