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Total 12 documents matching your query.

1. Topband: chicken wire ground screen (score: 1): Author: n6wg@earthlink.net (Bob Tellefsen); Date: Sun, 01 Sep 2002 06:29:41 -0400; Hello Mike Here's one variation you might consider. Like you, I have a small lot, 60 wide by 100 ft long. The back yard is 60 by 24, and my 160m vertical is in the center of my back fence. I've arran; /archives//html/Topband/2002-09/msg00005.html (8,174 bytes)
2. Topband: chicken wire ground screen (score: 1): Author: dbowker@mail.sjv.net (Dave Bowker); Date: Sun, 1 Sep 2002 07:18:18 -0400; There is another "negative" aspect to using mesh, chicken wire, welded fencing, etc., in the ground system of verticals, and that is the losses these screens incur due to eddy currents created by the; /archives//html/Topband/2002-09/msg00006.html (7,723 bytes)
3. Topband: chicken wire ground screen (score: 1): Author: NX4D@comcast.net (Doug Waller); Date: Sun, 01 Sep 2002 11:21:31 -0400; produce Mesh should probably be used only as a ground reflection enhancer under a small elevated radial system, with the mesh connected to NOTHING. Since the inverse square formula is at work here,; /archives//html/Topband/2002-09/msg00007.html (8,343 bytes)
4. Topband: chicken wire ground screen (score: 1): Author: wc7m@vcn.com (W7CW Jay Ostrem); Date: Sun, 1 Sep 2002 10:29:29 -0600; In the late 80's I had 3 modest 160 antennas installed. One system was a Butternut vertical with the 160 kit. I used 15 rolls of chicken wire. Each roll was 3-4 ft wide, 100 ft long. The rolls joined; /archives//html/Topband/2002-09/msg00009.html (8,463 bytes)
5. Topband: chicken wire ground screen (score: 1): Author: K9AY" <k9ay@k9ay.com (K9AY); Date: Sun, 1 Sep 2002 12:54:39 -0400; -- Dave and all, Mesh conductors are not a significant problem. Radar and satellite antennas often use perforated reflectors to save weight. At the lower 'microwave' frequencies, grid reflectors are; /archives//html/Topband/2002-09/msg00010.html (8,745 bytes)
6. Topband: chicken wire ground screen (score: 1): Author: sebdesn@ecentral.com (sebdesn); Date: Sun, 1 Sep 2002 16:08:25 -0600; My apologies on this - the search capability for Ham radio magazine and NCJ is not yet available to members, just internally to ARRL. It needs some further checking before being released. -- Tom Try; /archives//html/Topband/2002-09/msg00011.html (7,410 bytes)
7. Topband: chicken wire ground screen (score: 1): Author: Bill@aa6tt.com (William Hein, AA6TT); Date: Fri, 30 Aug 2002 14:11:25 -0700 (PDT); In response to my query about using wire fence such as chicken wire for a ground screen under a Four Square elevated radial system, VE3NH told me that there was a good article a few years back in Ham; /archives//html/Topband/2002-08/msg00116.html (7,576 bytes)
8. Topband: chicken wire ground screen (score: 1): Author: gtucker@bostoneng.com (G.E. Tucker); Date: Fri, 30 Aug 2002 22:02:35 -0400; Robert Sherwood, WB0JGP, "Ground Screen - Alternative to Radials", Ham Radio, May 1977, p 22 This also discusses putting a square of sheet metal around the vertical(s), and using strips of sheet meta; /archives//html/Topband/2002-08/msg00119.html (7,124 bytes)
9. Topband: chicken wire ground screen (score: 1): Author: na4m@arrl.net (Phil Duff); Date: Sat, 31 Aug 2002 02:24:23 +0000; I have seen more than one reference to adding solid plates or disks under verticals. ON4UN's Low Band book states "a solid metal plate of reasonable size right under antenna (vertical) can result in; /archives//html/Topband/2002-08/msg00120.html (7,856 bytes)
10. Topband: chicken wire ground screen (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sat, 31 Aug 2002 10:15:06 -0400; The comprehensive RCA funded study's conclusion was that adding a screen does nothing for efficiency if the installation has even a modest radial ground system. You can find measured comparisons in; /archives//html/Topband/2002-08/msg00121.html (9,317 bytes)
11. Topband: chicken wire ground screen (score: 1): Author: frenaye@pcnet.com (Tom Frenaye); Date: Sat, 31 Aug 2002 20:30:31 -0400; The other replies found the article (Sherwood) but didn't note (or perhaps didn't know) that Ham Radio magazine can be searched on the ARRL web site in addition to QST, QEX and NCJ. From the ARRL pub; /archives//html/Topband/2002-08/msg00127.html (8,260 bytes)
12. Topband: chicken wire ground screen (score: 1): Author: W4EF@dellroy.com (Michael Tope); Date: Sat, 31 Aug 2002 22:02:16 -0400; What is the consensus on the longevity of galvanized screen versus copper radials? I am about to move to a small lot (50 x 100) which is mostly covered with house (40 x 50) and I need to try to figur; /archives//html/Topband/2002-08/msg00128.html (8,147 bytes)

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