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Total 5 documents matching your query.

1. [Towertalk] stacked LPDA's (score: 1): Author: jljarvis@abs.adelphia.net (jljarvis); Date: Wed, 20 Mar 2002 23:28:03 -0500; Tennadyne has modelled stacked lpda's, and offered a few words of wisdom today. 1) you can expect 2.2dB from stacking any pair of antennas. if you're not careful about matching the common point imped; /archives//html/Towertalk/2002-03/msg00509.html (7,379 bytes)
2. [Towertalk] stacked LPDA's (score: 1): Author: n4kg@juno.com (n4kg@juno.com); Date: Wed, 20 Mar 2002 23:14:46 -0600; Sounds reasonable. N4KG How did they come up with that number? At worst, I would expect a 2:1 SWR. If your feedline loss is low, that will NOT result in 1 dB of additional loss. N4KG Most stack users; /archives//html/Towertalk/2002-03/msg00514.html (8,902 bytes)
3. [Towertalk] stacked LPDA's (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 21 Mar 2002 01:32:58 -0500; stack, I think Tennadyne's analysis misses several points. Most important is the beneficial broadening of the first vertical lobe in the stack, which makes a big difference when you compute the avera; /archives//html/Towertalk/2002-03/msg00516.html (8,878 bytes)
4. Re: [TowerTalk] stacked LPDA's (score: 1): Author: jim Jarvis <jimjarvis@optonline.net>; Date: Fri, 22 Jan 2010 17:25:10 -0500; Gene, The early logs were a Collins Radio design, and used a split boom/tilt system, but it wasn't really stacked. The alternate dipole elements apparently were on the upper and lower booms. I don't; /archives//html/Towertalk/2010-01/msg00522.html (7,746 bytes)
5. Re: [TowerTalk] stacked LPDA's (score: 1): Author: "Jim Chaggaris" <jimc@pwrone.com>; Date: Fri, 22 Jan 2010 17:15:04 -0600; My friend Tim (N9IW) has some nice stacked LPDA's up. A photo is shown on the DXE website. http://www.dxengineering.com/showcase.asp?ID={D68EF559-CBA2-48FD-90A4-EF233D 76B469} 73, Jim N9WW James Chag; /archives//html/Towertalk/2010-01/msg00529.html (9,561 bytes)

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