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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Detuning\s+a\s+tower\s+\.\.\.\.\s+was\s+Open\-wire\s+transmission\s+line\s*$/: 7 ]

Total 7 documents matching your query.

1. Re: [TowerTalk] Detuning a tower .... was Open-wire transmission line (score: 1)
Author: David Gilbert <ab7echo@gmail.com>
Date: Tue, 2 Jan 2024 10:49:10 -0700
Hi, Joe. Detuning a tower and shunt feeding a tower seem to be essentially the same mechanism except for whether there is a feed or not, and I've often wondered why running a wire down the center of
/archives//html/Towertalk/2024-01/msg00009.html (9,418 bytes)

2. Re: [TowerTalk] Detuning a tower .... was Open-wire transmission line (score: 1)
Author: "Richard (Rick) Karlquist" <richard@karlquist.com>
Date: Tue, 2 Jan 2024 10:18:38 -0800
If you run a wire down the center of a grounded tower, then the tower functions as a Faraday cage so that the wire is non radiating. It will still make a dandy shielded transmission line. If you run
/archives//html/Towertalk/2024-01/msg00011.html (9,643 bytes)

3. Re: [TowerTalk] Detuning a tower .... was Open-wire transmission line (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Tue, 2 Jan 2024 15:46:36 -0500
I've often wondered why running a wire down the center of a tower wouldn't create the same coaxial section as surrounding the tower with multiple wires. Never tried it or heard of anyone who has use
/archives//html/Towertalk/2024-01/msg00012.html (11,062 bytes)

4. Re: [TowerTalk] Detuning a tower .... was Open-wire transmission line (score: 1)
Author: Jim W7RY <jimw7ry@gmail.com>
Date: Tue, 2 Jan 2024 18:14:57 -0600
There is a site in Portland Oregon (Mt. Scott) that has lots of tuned/decoupled towers, because they are near an AM broadcast site. The AM station was having issues with their directional patterns. T
/archives//html/Towertalk/2024-01/msg00013.html (11,588 bytes)

5. Re: [TowerTalk] Detuning a tower .... was Open-wire transmission line (score: 1)
Author: Bill Bennett <bennevl@gmail.com>
Date: Wed, 3 Jan 2024 13:03:41 -0500
The Hy-Gain HyTower uses a wire inside the tower to feed the 80 meter vertical section. Bill K4IBC _______________________________________________ _______________________________________________ Towe
/archives//html/Towertalk/2024-01/msg00015.html (6,687 bytes)

6. Re: [TowerTalk] Detuning a tower .... was Open-wire transmission line (score: 1)
Author: Jeff Blaine <KeepWalking188@ac0c.com>
Date: Wed, 3 Jan 2024 15:30:17 -0600
But the stinger is insulated at the top of the HT, right? 73/jeff/ac0c alpha-charlie-zero-charlie www.ac0c.com Bill K4IBC _______________________________________________ _____________________________
/archives//html/Towertalk/2024-01/msg00016.html (7,583 bytes)

7. Re: [TowerTalk] Detuning a tower .... was Open-wire transmission line (score: 1)
Author: Bill Bennett <bennevl@gmail.com>
Date: Wed, 3 Jan 2024 17:04:04 -0500
Yes, that is one of the weak points too. Bill K4IBC _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com htt
/archives//html/Towertalk/2024-01/msg00017.html (8,494 bytes)


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