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Total 109 documents matching your query.

1. RE: [TowerTalk] Gin Pole (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@Andrew.com>
Date: Thu, 16 Oct 2003 16:11:45 -0400
Ed, I borrowed the local club's Rohn gin pole and copied it. I have the annotated sketches of the tower clamp assembly somewhere; I could probably scan them for you. For the pole, I used the 2"x12'x1
/archives//html/Towertalk/2003-10/msg00370.html (9,991 bytes)

2. RE: [TowerTalk] Problem: J/J Turnbuckles & Rohn Equalizer Plates (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@Andrew.com>
Date: Wed, 22 Oct 2003 12:17:04 -0400
Suggestion 1: Buy another (12) eye-eye forged tb's with the same thread, swap one eye for one jaw on all (24) tb's, use (12) of the resulting e-j tb's and hamfest the other (12). Suggestion 2: Cut a
/archives//html/Towertalk/2003-10/msg00506.html (10,885 bytes)

3. RE: [TowerTalk] Telrex (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@Andrew.com>
Date: Mon, 24 Nov 2003 09:43:30 -0500
Yes, should be full-size elements on a 17 foot boom. geo - n4ua _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations
/archives//html/Towertalk/2003-11/msg00573.html (8,091 bytes)

4. RE: [TowerTalk] Multi-multi contest QTH for sale (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Wed, 21 Jan 2004 13:01:01 -0500
Hey, a rotatable rhombic - I like it! geo - n4ua -- This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received
/archives//html/Towertalk/2004-01/msg00356.html (9,853 bytes)

5. RE: [TowerTalk] Electroplating (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Wed, 28 Jan 2004 10:03:32 -0500
Yes, I have successfully silver-electroplated all manner of amplifier-related copper and brass pieces, using some pretty nasty, cyanide-based chemicals. For a current reference (and material source),
/archives//html/Towertalk/2004-01/msg00481.html (8,688 bytes)

6. RE: [TowerTalk] Using riding mower to run radials (2nd Try) (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Mon, 12 Apr 2004 14:11:17 -0400
Nope, I think Wendell has it right - three-point hitches usually don't have the ability to impart down force. The implements do it, usually by sheer mass or, in the case of plows, by down-vector forc
/archives//html/Towertalk/2004-04/msg00147.html (11,982 bytes)

7. RE: [TowerTalk] Power ground (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Wed, 26 May 2004 14:57:34 -0400
Interesting that "silver solder" is rated to a higher temp than compression fittings. Silver solder is really brazing, by definition. For instance Harris "StaySilv15" (a common "silphos" braze w/15%
/archives//html/Towertalk/2004-05/msg00510.html (14,874 bytes)

8. RE: [TowerTalk] welding wire for antenna? (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Tue, 6 Jul 2004 14:45:15 -0400
Probably not. It sounds like a role of MIG wire. It has just enough copper on it to keep it from rusting when stored in a protected environment. Outside, it will rust in a month or so. Geo - n4ua Cor
/archives//html/Towertalk/2004-07/msg00200.html (9,938 bytes)

9. RE: [TowerTalk] welding wire for antenna? (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Tue, 6 Jul 2004 14:52:43 -0400
Make that "roll"... geo Probably not. It sounds like a role of MIG wire. It has just enough copper on it to keep it from rusting when stored in a protected environment. Outside, it will rust in a mon
/archives//html/Towertalk/2004-07/msg00202.html (10,913 bytes)

10. [TowerTalk] Prop-pitch bevel gear removal (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Wed, 7 Jul 2004 12:02:23 -0400
I have several small prop-pitch motors that I intend to put into rotator service. I have reviewed all of the literature I could find on them, but I have not found a description of how the top bevel g
/archives//html/Towertalk/2004-07/msg00263.html (8,801 bytes)

11. RE: [TowerTalk] Ignitor for Cadwelds (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Fri, 23 Jul 2004 13:57:06 -0400
I have lit them off in a pinch by cutting a clothes hanger apart to get a 1 ft or so wire, heated the end of it to red or yellow heat with a propane torch, and then immediately touched that end of th
/archives//html/Towertalk/2004-07/msg00688.html (9,282 bytes)

12. FW: [TowerTalk] Lightning protection questions. (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Tue, 27 Jul 2004 14:51:52 -0400
When Tom says "silver solder" in this context, he means brazing. This is NOT soft solder by any stretch of the imagination. For a quick look at the temperatures involved, go to: http://www.jwharris.c
/archives//html/Towertalk/2004-07/msg00774.html (12,035 bytes)

13. RE: [TowerTalk] Grounding, Lightning & corona discharge (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Thu, 29 Jul 2004 08:34:38 -0400
Pretty much the same here. 600 ohm balanced pair to the house. But if you were to add a surge suppressor to the lines, like the old carbon blocks or MOVs, or whatever, you would want to do it near th
/archives//html/Towertalk/2004-07/msg00896.html (11,150 bytes)

14. RE: [TowerTalk] verticals in woods vs. in a field (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Thu, 16 Sep 2004 08:26:28 -0400
other pot over >a the mind in >and Reminds me of a project I had back in the mid-70's at an aerospace contractor: I had to measure the radar cross-section of various live and dead bushes and trees, a
/archives//html/Towertalk/2004-09/msg00304.html (11,095 bytes)

15. RE: [TowerTalk] RE: Installing Tower Bolts (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Fri, 1 Oct 2004 16:56:20 -0400
As has been said, the purpose of the rebar ties is just to keep things physically aligned against the hydraulic force of wet concrete. They are typically something like 18-20 ga mild steel wire; they
/archives//html/Towertalk/2004-10/msg00011.html (15,434 bytes)

16. RE: [TowerTalk] #14 wire (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Thu, 21 Oct 2004 13:29:42 -0400
14 AWG is a little larger than 1.5mm dia. 73, geo - n4ua Hi guys, a friend asked me this: "What should I immagine when an American Ham tells me to use a #14 wire for my antenna?" I believe that the #
/archives//html/Towertalk/2004-10/msg00552.html (8,942 bytes)

17. RE: [TowerTalk] shorty forty (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Fri, 12 Nov 2004 11:07:31 -0500
[mailto:towertalk->bounces@contesting.com] On Behalf Of Larry Schimelpfenig working 50 Well, if anyone wants a 2-el KLM 40, I've got one gathering dust in the barn in central VA, along with a KT-34X
/archives//html/Towertalk/2004-11/msg00347.html (9,120 bytes)

18. RE: [TowerTalk] Chrome Molly tube. (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Tue, 23 Nov 2004 09:53:44 -0500
I'm wall just rod have whale of Why do you want it more rigid/stiff? Just because it flexes doesn't mean it's going to fail (that's more a function of the material yield point). A stiffer mast will c
/archives//html/Towertalk/2004-11/msg00650.html (9,775 bytes)

19. RE: [TowerTalk] coax in conduit (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Mon, 20 Dec 2004 14:47:18 -0500
Lovely stuff, but quite spendy; you could easily spend more on the Liquitite than the cables inside ;( 73, geo - n4ua --Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-bou
/archives//html/Towertalk/2004-12/msg00405.html (10,564 bytes)

20. RE: [TowerTalk] 7/16 DIN connectors (score: 1)
Author: "Dubovsky, George" <George.Dubovsky@andrew.com>
Date: Tue, 21 Dec 2004 07:32:52 -0500
Pete, One word that I have never heard in the same sentence as "7/16 DIN" is "inexpensive"! They _are_ available for all major cable sizes, but if I had to deal with an existing one on the end of a c
/archives//html/Towertalk/2004-12/msg00418.html (9,368 bytes)


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