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Total 11 documents matching your query.

1. [TowerTalk] The Need for Grounding (score: 1): Author: "W3YY" <w3yy@cox.net>; Date: Wed, 13 Jan 2016 19:42:54 -0500; The latest posts about grounding, and finally some free time here, prompt me to ask the following question. Given lightning's desire to find the quickest way to ground, why doesn't it expend itself i; /archives//html/Towertalk/2016-01/msg00276.html (9,489 bytes)
2. Re: [TowerTalk] The Need for Grounding (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Thu, 14 Jan 2016 06:36:26 -0500; Inductance and magnetism. Lightening is not a single event, but at its simplest, it is a series of pulses alternating between going up and going down with relatively steep rise and fall time. Remembe; /archives//html/Towertalk/2016-01/msg00282.html (12,748 bytes)
3. Re: [TowerTalk] The Need for Grounding (score: 1): Author: David Robbins <k1ttt@verizon.net>; Date: Thu, 14 Jan 2016 07:49:44 -0600 (CST); because lightning is not a 'small' event. when you think about lightning (and also rf related 'grounding') you have to throw away the concepts of resistors, capacitor, inductors, and anything else yo; /archives//html/Towertalk/2016-01/msg00286.html (18,569 bytes)
4. Re: [TowerTalk] The Need for Grounding (score: 1): Author: Patrick Greenlee <patrick_g@windstream.net>; Date: Thu, 14 Jan 2016 08:19:41 -0600; Why must we, supposedly technical types, anthropomorphize lightning and its "behaviors?" Lightning has no mind of its own, no desires, no ability to choose a path. It is just a manifestation of physi; /archives//html/Towertalk/2016-01/msg00287.html (10,382 bytes)
5. Re: [TowerTalk] The Need for Grounding (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Thu, 14 Jan 2016 07:24:35 -0800; Hi Roger, I am concerned now with my planned ground screen around the base of my tower. I am planning a shunt feed to the tower for 160. I will have separate elevated radials, 4 of them, at 14 feet a; /archives//html/Towertalk/2016-01/msg00289.html (15,164 bytes)
6. Re: [TowerTalk] The Need for Grounding (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Thu, 14 Jan 2016 10:51:04 -0500; It's a bit more than semantics. Neutral is where negative and positive charges are equal. It matters not, if you remove electrons or add a positive charge, the area becomes positively charges in rela; /archives//html/Towertalk/2016-01/msg00292.html (19,976 bytes)
7. Re: [TowerTalk] The Need for Grounding (score: 1): Author: David Robbins <k1ttt@verizon.net>; Date: Thu, 14 Jan 2016 11:45:01 -0600 (CST); what is the intended purpose of said ground screen not being connected to the tower. if you area going to shuntfeed the tower then you want the ground screen as big as you can make it and attached se; /archives//html/Towertalk/2016-01/msg00298.html (16,972 bytes)
8. Re: [TowerTalk] The Need for Grounding (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Thu, 14 Jan 2016 09:59:44 -0800; I will be using 4 elevated radials. The ground screen is not attached to the bottom of the vertical (in this case the tower) and is not part of the radials system. It is to help reduce near field los; /archives//html/Towertalk/2016-01/msg00300.html (16,357 bytes)
9. Re: [TowerTalk] The Need for Grounding (score: 1): Author: David Robbins <k1ttt@verizon.net>; Date: Thu, 14 Jan 2016 12:10:44 -0600 (CST); if you are intending for it to assist reducing losses for raised radials then yes it must definitely be connected to the base of the tower, otherwise where will the current that it picks up go?? btw,; /archives//html/Towertalk/2016-01/msg00302.html (20,360 bytes)
10. Re: [TowerTalk] The Need for Grounding (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Thu, 14 Jan 2016 10:34:10 -0800; Right. And they SHOULD be bonded to the mesh in the slab. The question is, the usefulness of elevated radials on a grounded tower. To take advantage of their elevation, they must be bonded to the tow; /archives//html/Towertalk/2016-01/msg00304.html (9,751 bytes)
11. Re: [TowerTalk] The Need for Grounding (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Thu, 14 Jan 2016 20:40:20 -0800; Thanks guys, I will attach the ground screen to the bottom of the tower also. I see your plan of sloping the elevated radials up from the base until their elevated height, Jim. I will try this. I rea; /archives//html/Towertalk/2016-01/msg00314.html (10,485 bytes)

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