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References: [ +from:dcharing@gmail.com: 27 ]

Total 27 documents matching your query.

21. Re: [TowerTalk] Peak Voltage at the tips of ants ? (score: 1)
Author: Haring family <dcharing@gmail.com>
Date: Tue, 4 Oct 2022 12:01:53 -0400
Voltage at the end of an antenna: there's a thread on the EZNEC forum here: https://groups.io/g/eznec/topic/78616046#29 where several suggestions were made. Model it with a current source with I=0, a
/archives//html/Towertalk/2022-10/msg00021.html (12,899 bytes)

22. Re: [TowerTalk] Peak Voltage at the tips of ants ? (score: 1)
Author: Haring family <dcharing@gmail.com>
Date: Tue, 4 Oct 2022 13:11:29 -0400
Re: voltage at the end of an antenna I just re-ran a dipole at 7 MHz with 1 amp source, to see how it responded. Here are my recent notes: 1. Run everything with a Mininec ground. I used uninsulated
/archives//html/Towertalk/2022-10/msg00030.html (14,845 bytes)

23. Re: [TowerTalk] Anchoring (score: 1)
Author: Haring family <dcharing@gmail.com>
Date: Wed, 16 Nov 2022 20:23:58 -0500
Re: Anchoring Guys, I don't know what your background is, but... your comments about pipe are bizarre. Structural shapes are commonly found as Fy=36 and Fy=50 ksi carbon steel. Tubing: I can buy near
/archives//html/Towertalk/2022-11/msg00096.html (11,671 bytes)

24. [TowerTalk] insulating properties of cured and uncured silicone caulking (score: 1)
Author: Haring family <dcharing@gmail.com>
Date: Wed, 24 May 2023 21:10:04 -0400
I've covered the back of a SO-239 at an antenna feedpoint with silicone caulking. It wasn't electronic grade... it was probably from Lowe's or HD. GE "SIL2KB CLR", Mod. GE284. It's Silicone 2 (withou
/archives//html/Towertalk/2023-05/msg00030.html (7,751 bytes)

25. Re: [TowerTalk] Opposing boom to mast plates? (score: 1)
Author: Haring family <dcharing@gmail.com>
Date: Sun, 17 Sep 2023 15:56:05 -0400
They were minimizing eccentric loads off the vertical centerline by putting one on either side. It won't do anything for reducing turning torque or wind loading, of course. Dave N3AC ________________
/archives//html/Towertalk/2023-09/msg00027.html (9,672 bytes)

26. [TowerTalk] wiring diagram for TX-472 Motorized Up/Down (score: 1)
Author: Haring family <dcharing@gmail.com>
Date: Tue, 31 Oct 2023 09:30:36 -0400
I've got a new-to-me 472 with the 750 pull up/down accessory from an estate. Motor connected to the box, but nothing else. Tower was unextended/not working for unknown reasons for several years. Appa
/archives//html/Towertalk/2023-10/msg00069.html (8,611 bytes)

27. Re: [TowerTalk] DROPPING A TOWER (score: 1)
Author: Haring family <dcharing@gmail.com>
Date: Sat, 21 Sep 2024 12:20:28 -0400
Bill, It's pretty easy with a crane. Do you want it intact when you're done? You could just drop it like a metal tree - I and others have done that before... and some of it may be re-usable... If you
/archives//html/Towertalk/2024-09/msg00040.html (9,040 bytes)


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