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Total 45 documents matching your query.

1. [TowerTalk] US Tower Winter Winch Oil (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Sun, 12 Dec 1999 20:36:52 -0800
Dick (and the reflector), At the risk of sounding crabby (while I can be, I currently AM NOT!) ... Call your local oil and lubricants distributer, and give them the technical specifications on your n
/archives//html/Towertalk/1999-12/msg00288.html (11,971 bytes)

2. [TowerTalk] Need source of steel tubing (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Thu, 30 Sep 1999 21:31:45 -0700
Tom, Try looking in the phone book under steel service centers (two in the area here are O'Neal Steel and Tull Metals). In many cases, they scrap out pieces shorter than 20' (they're called drops), a
/archives//html/Towertalk/1999-10/msg00000.html (8,477 bytes)

3. Finding the manufacture (was Re: [TowerTalk] Regarding Stuf) (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Tue, 21 Sep 1999 20:31:54 -0700
Tom, Here's a resource to help you and others trying to identify material, any related safety issues, and it's manufacturer. Request a Material Safety Data Sheet (MSDS) from the retailer of the produ
/archives//html/Towertalk/1999-09/msg00508.html (8,030 bytes)

4. [TowerTalk] CABLE-WELD TOWER (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Fri, 4 Sep 1998 18:35:17 -0400
Phil, the first section, over the pulley, and back down to the bottom of the second section. When you pull on the cable, the top section pulls up. Just a guess. 73, Rick, WB3EXR -- FAQ on WWW: http:/
/archives//html/Towertalk/1998-09/msg00120.html (8,819 bytes)

5. [TowerTalk] Parts for AEA Isoloop (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Mon, 10 Aug 1998 18:46:51 -0400
Mike and gang, for small gears, couplings and the like, check out Small Parts (in Florida I believe). My catalog is in the shop, and I'm not ... if you can't find them, let me know! Might be the answ
/archives//html/Towertalk/1998-08/msg00252.html (8,309 bytes)

6. [TowerTalk] Vertical Radials (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Fri, 14 Aug 1998 20:11:47 -0400
A metal roof is indeed a wonderful groundplane for a vertical antenna. In the early 1980's I installed a 35' marine whip antenna and an automatic tuner on the top of an aircraft hanger in Sacramento,
/archives//html/Towertalk/1998-08/msg00448.html (11,119 bytes)

7. [TowerTalk] roof tripod (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Thu, 4 Jun 1998 22:00:00 -0400
Bob, You might consider using a marine fiberglass HF whip antenna (Shakesphere makes a nice 23' job) fed with an automatic coupler (such as the SGC) at the roof. You'd still have to install a counter
/archives//html/Towertalk/1998-06/msg00173.html (8,872 bytes)

8. [TowerTalk] Re: Shakespeare Vertical Antennas (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Mon, 15 Jun 1998 18:19:52 -0400
The shakesphere 222 is not loaded, the bottom section has four copper straps buried in the fiberglas (as I remember). During my active duty in the Coast Guard, I've seen the 222 used on both ship and
/archives//html/Towertalk/1998-06/msg00540.html (9,343 bytes)

9. [TowerTalk] Does insurance pay the ham owner/installer? (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Thu, 18 Jun 1998 17:16:28 -0400
What you are describing is inadequate project management, not incompetent professionals (although the cable installer may well have been lazy!). You need to SPECIFY what you expect, INSPECT what was
/archives//html/Towertalk/1998-06/msg00648.html (10,935 bytes)

10. [TowerTalk] Clicking? & F-12 antennas (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Mon, 22 Jun 1998 22:04:10 -0400
Install the resistors across the point where arcing occurs (in other words, across the insulator). The potential down sides are that the potential is downsized! (What a great straight line ... thanks
/archives//html/Towertalk/1998-06/msg00791.html (10,008 bytes)

11. [TowerTalk] Prop-pitch brushes (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Thu, 7 May 1998 20:46:48 -0400
Contact Glenn, K6NA email: rattmann@cts.com _____________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely fre
/archives//html/Towertalk/1998-05/msg00299.html (8,276 bytes)

12. [TowerTalk] Antenna Test Methodology (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Thu, 28 May 1998 21:09:56 -0400
The Naval Underwater Systems Center in New London CT had (at least in the 1980s) an antenna range with three semi-spherical arms (ok, call it a 3 legged arch) over a metal "sea" that they used to mea
/archives//html/Towertalk/1998-05/msg00738.html (9,358 bytes)

13. [TowerTalk] Prop Pitch Motors (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Mon, 27 Apr 1998 17:23:56 -0400
Check with your local motor rebuilding shop and have them cut the brushes for you. Our local "Fleet Hardware" can handle this task on a walk-in basis. It DOES help if you have the old brush and an ap
/archives//html/Towertalk/1998-04/msg00850.html (9,337 bytes)

14. [TowerTalk] Vertical Monopole Modeling Problem (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Tue, 17 Mar 1998 13:29:42 -0500
Malcolm, To work around the 5:1 diameter ratio, model two Rohn 25G towers side by side, connected at the top. Better yet, model (and build) the drop wire as three wires spaced just like the Rohn 25G
/archives//html/Towertalk/1998-03/msg00310.html (8,213 bytes)

15. [TowerTalk] Re: [Tower Talk] Noise that won't go away (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Thu, 1 Jan 1998 20:09:34 -0500
Your "garden variety" silent wall switches use a mercury vial with two electrodes as the switch. I suspect the mercury switch is arcing. 73, Rick, WB3EXR < SNIP> < 'NOTHER SNIP> -- FAQ on WWW: http:/
/archives//html/Towertalk/1998-01/msg00017.html (8,431 bytes)

16. [TowerTalk] 402CD Heavy Duty Version (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Wed, 24 Dec 1997 16:27:32 -0500
Dick and the group, Woodworker's Supply, Inc, with branches in New Mexico, Wyoming, New Hampshire and North Carolina has 1-3/4 x 36 inch oak dowel stock for $15.75, Walnut for $20.60, Cherry for $16.
/archives//html/Towertalk/1997-12/msg00627.html (8,737 bytes)

17. [TowerTalk] Re: Some Thoughts and a Tower Question (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Sat, 1 Nov 1997 12:30:08 -0500
Dick, Well said ... I too look for TOWER and ANTENNA information on TowerTalk. Having said that, many of us learn by reading and asking questions. Rather than sending someone away (in a huff perhaps?
/archives//html/Towertalk/1997-11/msg00010.html (8,292 bytes)

18. [TowerTalk] Antenna Wire Question (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Sat, 15 Nov 1997 19:21:28 -0500
Hi Tom, Phosphor Bronze wire rope is what I've used for shipboard wire antennas when I was in the Coast Guard... along with matching hardware. (Yes, I sure DO know how to spend other people's money!)
/archives//html/Towertalk/1997-11/msg00418.html (7,325 bytes)

19. [TowerTalk] Search for Lightning Protection Devices (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Mon, 8 Sep 1997 20:10:47 -0400
First, a word of thanks (thanks) for whoever mentioned the metacrawler search engine (metacrawler.com/index.html). Very nice tool. I used it to look for "Lightning Protection Institute", since I'd ta
/archives//html/Towertalk/1997-09/msg00211.html (7,446 bytes)

20. [TowerTalk] T2X meter plate needed. (score: 1)
Author: mainhart@juno.com (Rick Mainhart)
Date: Fri, 12 Sep 1997 20:16:04 -0400
Or, you might make a copy of one on a photocopier, directly onto a piece of "crack-n-peel" or other such self-adhesive coated paper. Once the copy is made, punch out the screw holes in the paper, ali
/archives//html/Towertalk/1997-09/msg00321.html (7,912 bytes)


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