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Total 33 documents matching your query.

1. [TowerTalk] Steel House & Feedline Grounding? (score: 1)
Author: Colburn <kd4e@arrl.net>
Date: Sun, 26 Oct 2003 17:44:47 -0500
We are about to break ground on a new steel home. The skeleton is red iron, the roof and walls steel, the studs throughout are steel. The pins for the uprights are set into the concrete pour (not sur
/archives//html/Towertalk/2003-10/msg00599.html (8,734 bytes)

2. Re: [TowerTalk] 40 Meter Vertical Construction (score: 1)
Author: Colburn <kd4e@arrl.net>
Date: Fri, 07 Nov 2003 20:03:32 -0500
Not sure where you are located but have you considered a rebuilt Rohn push-up pole? They come with guy eyelets on floating rings and are pretty rugged and reaonably priced. There is a company here in
/archives//html/Towertalk/2003-11/msg00235.html (8,867 bytes)

3. [TowerTalk] Using Trylon Sections to Support Rohn 25? (score: 1)
Author: Colburn <kd4e@arrl.net>
Date: Thu, 13 Nov 2003 23:51:17 -0500
Tomorrow I am acquiring 100' of 10' sections of 12"/side Trylon tower. From the picture these appear to be made of angle iron. Once the house is built, or perhaps while it is being built, I plan to e
/archives//html/Towertalk/2003-11/msg00396.html (8,112 bytes)

4. Re: [TowerTalk] Crank-up won't crank (score: 1)
Author: Colburn <kd4e@arrl.net>
Date: Sat, 15 Nov 2003 15:44:04 -0500
Mike Gilmer wrote: I went outside Wednesday evening to crank down my new U.S. Tower 55 ft. tower because of the high winds. It wouldn't crank down or up. Not an inch. I had previously lowered and rai
/archives//html/Towertalk/2003-11/msg00427.html (9,033 bytes)

5. Re: [TowerTalk] antenna spacing (score: 1)
Author: Colburn <kd4e@arrl.net>
Date: Sun, 16 Nov 2003 22:49:09 -0500
N7AU wrote: Can someone tell me if eight feet of spacing will work without to much interaction between a 40m 2 el beam and a Mosley 7el beam at about 70 ft. If we rise the rotor we might be able to g
/archives//html/Towertalk/2003-11/msg00451.html (7,445 bytes)

6. Re: [TowerTalk] Best tuner value? (I think that was the topic) (score: 1)
Author: Colburn <kd4e@arrl.net>
Date: Fri, 28 Nov 2003 21:07:25 -0500
Jim Lux wrote: I don't know that I'd try to do something like modifying some ancient hamfest special (high quality as it may have originally been) with steppers or servo motors. Too many potential pr
/archives//html/Towertalk/2003-11/msg00627.html (8,436 bytes)

7. Re: [TowerTalk] pushup mast sources (score: 1)
Author: Colburn <kd4e@arrl.net>
Date: Fri, 05 Dec 2003 20:17:56 -0500
In the Tampa area there is a company that sells refurbished Rohn push-ups, perhaps you might find another like them there? 73, doc kd4e Rob Atkinson, K5UJ wrote: Hi folks, It appears from searching t
/archives//html/Towertalk/2003-12/msg00145.html (7,794 bytes)

8. Re: [TowerTalk] Unsubscribe vs List Boundaries (score: 1)
Author: Colburn <kd4e@arrl.net>
Date: Sat, 13 Dec 2003 11:10:55 -0500
Politics are a reality of life, anyone who pretends that they do not impact every element of our lives is living in denial. That said there are places and times better suited for such discussions and
/archives//html/Towertalk/2003-12/msg00369.html (8,479 bytes)

9. Re: [TowerTalk] CC&R's (score: 1)
Author: Colburn <kd4e@arrl.net>
Date: Thu, 01 Jan 2004 12:50:58 -0500
Tom Champlin wrote: There has been a lot posted about antenna restrictions. Here in the Kansas city area it's no different. Wanting to buy a new home, I have been to many, many new housing additions.
/archives//html/Towertalk/2004-01/msg00003.html (9,804 bytes)

10. [TowerTalk] Strengthening Insulated Push-up Pole Base (score: 1)
Author: Colburn <kd4e@arrl.net>
Date: Fri, 02 Jan 2004 16:52:23 -0500
I am thinking of putting up one or two 60' push-up poles isolated from ground as part of an experimental 40/60/80/160M antenna system. The bottom section of the push-up pole is 3". If I set a 3" ID s
/archives//html/Towertalk/2004-01/msg00031.html (7,597 bytes)

11. [TowerTalk] Re: steppir radio interface (score: 1)
Author: edoc <kd4e@arrl.net>
Date: Thu, 19 Feb 2004 20:32:18 -0500
And you then hear something & call it, transmitting into the antenna whilst it's tuning. D'oh! Kelly later mentions leaving the antenna where it was after a band change, as one might only be having a
/archives//html/Towertalk/2004-02/msg00400.html (8,711 bytes)

12. Re: [TowerTalk] Re: steppir radio interface (score: 1)
Author: edoc <kd4e@arrl.net>
Date: Fri, 20 Feb 2004 23:11:48 -0500
VR2BrettGraham wrote: KD4E suggested: Why not just stack a Cushcraft D4 or similar 10-14-20-40M dipole above or below the Steppir beam for band scanning? That way there is no problem with listening a
/archives//html/Towertalk/2004-02/msg00416.html (8,713 bytes)

13. Re: [TowerTalk] Fiber rods as guy insulators (score: 1)
Author: edoc <kd4e@arrl.net>
Date: Fri, 27 Feb 2004 11:36:51 -0500
For what reasons might one select fiber rods & steel guys vs Phillystran? (Both eliminate the shunt-feed problem and the resonance problem with nearby wire antennas.) Any concern that the fiber rods
/archives//html/Towertalk/2004-02/msg00577.html (8,544 bytes)

14. Re: [TowerTalk] Pushup pole sources (score: 1)
Author: edoc <kd4e@arrl.net>
Date: Sat, 28 Feb 2004 19:23:10 -0500
Surplus Sales has military surplus fiberglass poles from time to time, though everything there is max market value plus a little. Google is your friend, try a search on fiberglass push up poles or so
/archives//html/Towertalk/2004-02/msg00589.html (7,398 bytes)

15. Re: [TowerTalk] grounding (score: 1)
Author: edoc <kd4e@arrl.net>
Date: Sat, 28 Feb 2004 21:12:54 -0500
I don't sell anything and have no connection with any of these companies. The following page shows The hydraulic drill I build for about $5 and the steps for installing the ground rods which are "Cad
/archives//html/Towertalk/2004-02/msg00590.html (7,774 bytes)

16. Re: [TowerTalk] best boots or shoes to wear in towers. (score: 1)
Author: edoc <kd4e@arrl.net>
Date: Thu, 11 Mar 2004 11:01:50 -0500
I have a pair of workboots my employer bought for me years ago. They are made by IronAge. The shoes have steel toes and steel sole inserts behind the ball of the foot--so the toe flexes. dale, kg5u F
/archives//html/Towertalk/2004-03/msg00166.html (9,100 bytes)

17. Re: [TowerTalk] Rohn 25 hinged bases (score: 1)
Author: David Colburn <kd4e@arrl.net>
Date: Wed, 17 Mar 2004 18:07:34 -0500
Cqtestk4xs@aol.com wrote: My thoughts are that one should think of the Rohn 25 as a foldover tower that Rohn used to make. I believe that the maximum amount of Rohn 25 tower above the hingepoint was
/archives//html/Towertalk/2004-03/msg00295.html (7,804 bytes)

18. [TowerTalk] Swap Straight Rohn 25 for A Tilt/Crank? (score: 1)
Author: edoc <kd4e@arrl.net>
Date: Fri, 19 Mar 2004 23:01:39 -0500
I have 90 feet of used but sound Rohn 25 straight sections and two tapered top sections (one 10 foot, one 9 foot, both have rotor plates), plus a number of turnbuckles, some guys, two tilt adapters,
/archives//html/Towertalk/2004-03/msg00354.html (7,478 bytes)

19. Re: [TowerTalk] Lightning resuscitation (score: 1)
Author: doc kd4e <kd4e@arrl.net>
Date: Tue, 23 Mar 2004 10:12:51 -0500
On your nursing home example I can only speculate that it might depend on the degree or charge or current being "experienced" and how fast it was dissipated, before the permanent damage to certain or
/archives//html/Towertalk/2004-03/msg00509.html (9,265 bytes)

20. Re: [TowerTalk] Lightning resuscitation (score: 1)
Author: edoc <kd4e@arrl.net>
Date: Wed, 24 Mar 2004 10:12:30 -0500
Just as a follow-up, I realized that I had not provided the research documentation for the medical resuscitation methodologies -- you and those likely to be present when health care folks are buildin
/archives//html/Towertalk/2004-03/msg00530.html (10,180 bytes)


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