Mail Archive Search: <+from:n4vi@arrl.net>

Results:

References: [ +from:n4vi@arrl.net: 10 ]

Total 10 documents matching your query.

1. [Towertalk] Reflection Gain (score: 1): Author: n4vi@arrl.net (Chris Adams); Date: Mon, 11 Mar 2002 21:11:22 -0700; Jim, I respectfully disagree with you. If the statement that reduced attenuation is caused by Seawater and not by signal reflection from the ground, then take the process to the ideal limits, free sp; /archives//html/Towertalk/2002-03/msg00148.html (10,061 bytes)
2. [Towertalk] reflection gain addendum (score: 1): Author: n4vi@arrl.net (Chris Adams); Date: Mon, 11 Mar 2002 22:14:13 -0700; The more I thought about it, the less I liked a vertical in free space as there is no ground in free space to drive the vertical "against". Also in my previous comparison the power delivered to the a; /archives//html/Towertalk/2002-03/msg00153.html (7,589 bytes)
3. [TowerTalk] 80m dipole on a small lot (score: 1): Author: n4vi@arrl.net (Chris Adams); Date: Tue, 27 Nov 2001 13:11:25 -0700; Jerry, When I was in my condo with a 25' wide attic I made a 40 meter dipole in the following manner: 1. Two 12' pieces of copper pipe (well actually each 12' piece was a 10' piece and 2' but you get; /archives//html/Towertalk/2001-11/msg00539.html (11,634 bytes)
4. [TowerTalk] Cushcraft D3 (score: 1): Author: n4vi@arrl.net (Chris Adams); Date: Sun, 09 Sep 2001 16:38:34 -0600; Carlos, I have a D3 dipole that has been used at two different locations. 1. At my "regular" qth where it was mounted about 10' above roofline (about 35 to 40') above ground. Considering it IS a dipo; /archives//html/Towertalk/2001-09/msg00348.html (8,893 bytes)
5. [TowerTalk] Delta (Quad) Loop Polarization (score: 1): Author: n4vi@arrl.net (Chris Adams); Date: Mon, 10 Sep 2001 07:49:27 -0600; Well it's certainly common to extract a non-H/V polarization into these components to do easy mathematical operations. The only reason it is legit to do these operations is that they are equivalent.; /archives//html/Towertalk/2001-09/msg00360.html (11,057 bytes)
6. [TowerTalk] 3 verticals in line (score: 1): Author: n4vi@arrl.net (Chris Adams); Date: Sun, 12 Aug 2001 10:59:49 -0600; Denis, The 1_2_1 current distribution comes for the characteristics of a binomial polynomial. 4 elements would be 1 3 3 1 and phase would be 0, -90, -180, -270. A 5 element array is: 1 4 6 4 1 and ph; /archives//html/Towertalk/2001-08/msg00254.html (8,981 bytes)
7. [TowerTalk] bracketed Rohn Tower (score: 1): Author: n4vi@arrl.net (Chris Adams); Date: Sun, 15 Jul 2001 08:47:32 -0600; Fellow Towertalkians: As our house rebuild is nearing completion I am starting to look seriously at putting in a 35-40' Rohn 25G house bracketed tower. Looking at the Rohn drawings leads me to a few; /archives//html/Towertalk/2001-07/msg00239.html (8,065 bytes)
8. [TowerTalk] house wiring ...rfi reduction (score: 1): Author: n4vi@arrl.net (Chris Adams); Date: Sun, 10 Jun 2001 13:45:00 -0600; Towertalkians!! ... Although officially we're doing a house "remodel" for all practical purposes it is new construction. Since the house wiring will be all new, I have the opportunity to use various; /archives//html/Towertalk/2001-06/msg00188.html (7,707 bytes)
9. [TowerTalk] big base hole (score: 1): Author: n4vi@arrl.net (Chris Adams); Date: Sun, 22 Apr 2001 15:05:59 -0600; As my tower plans come together the odds are increasing that I will be installing a crank-up tower and the substantial base associated with it. Depending upon the final tower location, the odds are q; /archives//html/Towertalk/2001-04/msg00457.html (7,606 bytes)
10. Re: [TowerTalk] parasitic 4-square for 40 meters (score: 1): Author: "Chris Adams" <n4vi@arrl.net>; Date: Mon, 21 Feb 2005 22:55:07 -0700; Ron, My suggestion would be to use the standard 4-square array layout and add a center element. The center element would be the driven element and the 4 parasitic elements would be directors/reflecto; /archives//html/Towertalk/2005-02/msg00506.html (11,541 bytes)

Current List: 1 - 10
Page: [1]