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1. [Towertalk] Value of TriEx 70' crankup. Never used... (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Sun, 23 Jun 2002 10:13:19 -0400
Here is the deal. I bought an unused HD 70' TriEx crankup with base. Have PE analysis by a Georgia registered PE, not cheap, required for City of Atlanta zoning. I was expecting a big oak to die and
/archives//html/Towertalk/2002-06/msg00348.html (6,933 bytes)

2. [TowerTalk] windcharger towers (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Wed, 17 Jun 1998 21:44:30 +0100
Aermotor http://www.4kllamas.com/wind.htm Rebuild towers and windmills. Tell 'em I (Duckworth Consulting in Atlanta) sent you. -bob wb4mnf -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html S
/archives//html/Towertalk/1998-06/msg00640.html (6,831 bytes)

3. [TowerTalk] Re: Quads not as good as Yagis, yeah right, and dogs not as good as cats, BS (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Mon, 4 May 1998 11:44:19 +0100
I agree with comments on noise and height. My experience is that a 2 ele 20m quad on a 35' tower(if you can call it that) will blow away a 2 ele 20m yagi at the same height. I'm also of the opinion b
/archives//html/Towertalk/1998-05/msg00126.html (7,886 bytes)

4. [TowerTalk] Without Benefit of Concrete (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Mon, 13 Apr 1998 12:33:54 +0100
All ya'll I have 2 cents :-) If the engineering and cost analysis says, "CONCRETE" then concrete is warranted. If it says, 'pier pin', that's the way to go. If a spike base and two house brackets mee
/archives//html/Towertalk/1998-04/msg00346.html (8,850 bytes)

5. [TowerTalk] WTS(wap) Turbine and constant speed drive for R390A (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Sat, 28 Mar 1998 17:19:37 -0000
OK, so it's a weird swap. It's neat though (that's how it came to be here! Have: Turbine and constant speed drive. AIResearch: drive pn CSDS100-24A turbine pn ????? (couldn't find it) I got this in t
/archives//html/Towertalk/1998-03/msg00526.html (8,909 bytes)

6. [TowerTalk] Re: WTS(wap) Turbine and constant speed drive for R390A (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Sun, 29 Mar 1998 08:28:48 +0100
A quick follow up. Still not sure what this is except that it runs generator (not included) and so far, 3 guys say it runs off bleed air. 2 guys say it acrually burns fuels. One guy who looked at it
/archives//html/Towertalk/1998-03/msg00528.html (7,339 bytes)

7. [TowerTalk] PE services (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Fri, 6 Feb 1998 10:38:51 -0000
If you want a breakdown of an engineers fees, then ask him for one. If you don't like it, find another engineer. It's not like these guys get together and fix prices. -bob wb4mnf Atlanta -- FAQ on WW
/archives//html/Towertalk/1998-02/msg00197.html (8,392 bytes)

8. [TowerTalk] de-rating tower wind loading limits (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Sat, 17 Jan 1998 18:35:10 -0000
let's seen Tri-Ex provides this if requested. It's part of their drawings and calculations package. I don't recommend purchasing a tower without obtaining the permit to put it up first! FWIW it cost
/archives//html/Towertalk/1998-01/msg00274.html (8,325 bytes)

9. [TowerTalk] Rotator Interface info sought (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Wed, 28 Jan 1998 10:34:21 -0000
Have a couple of rotators. Not sure who made them but one is 'bell' and other is 'egg' and look like CDE or HyGain pictures in the adds. I have no controllers and seeing the prices on used controller
/archives//html/Towertalk/1998-01/msg00453.html (7,133 bytes)

10. [TowerTalk] Erection permit in hand (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Thu, 2 Oct 1997 08:16:17 +0100
With a bit of effort, the S403 my be up before winter. This is for a LM-470 with a Mosley S403 on top and I live in 'The City of Atlanta' on a lot that is about 190' deep 40' across the front and 100
/archives//html/Towertalk/1997-10/msg00045.html (9,978 bytes)

11. [TowerTalk] Chrome moly/SSV update (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Mon, 6 Oct 1997 19:15:53 +0100
I'm going to be shopping for a mast soon and while enamoured of the strength and weight of Chrome Moly steel am curious as to: How does it weather? Does it require painting for protection? What happe
/archives//html/Towertalk/1997-10/msg00139.html (8,645 bytes)

12. [TowerTalk] Looking for materials for 40m Yagi boom and boom to mast bracket (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Thu, 23 Oct 1997 09:42:11 +0100
The tower's going up soon and I'm looking for some used (read inexpensive) bits to get the 3 ele 40m Yagi together. Have the elements from a Mosley LM403 and need the boom and boom to mast bracket. e
/archives//html/Towertalk/1997-10/msg00638.html (7,866 bytes)

13. [TowerTalk] Why not steel for boom? (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Sat, 25 Oct 1997 10:07:47 +0100
I'm scouting around for boom material for my 3 ele 40 and was wondering if anyone is using the popular 4130 mast alloy for boom material and if it is a bad idea. -bob wb4mnf -- FAQ on WWW: http://www
/archives//html/Towertalk/1997-10/msg00702.html (6,963 bytes)

14. [TowerTalk] where may I obtain a quality nicopress tool at a fair price? (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Mon, 15 Sep 1997 13:22:37 +0100
Also where to get dependable fittings. Initial use will be crank up cables to replace the aged ones. I can think of lots of additional applicarions though. Also curious as to where to find a tool for
/archives//html/Towertalk/1997-09/msg00379.html (7,563 bytes)

15. [TowerTalk] AB-105/FRC (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Tue, 16 Sep 1997 17:10:28 +0100
If you have an appropriate gin pole and some good ropes or cables it can be safely lowered prior to disassembly. Rigging is fun but only if you know all the forces involved before you get started. Ch
/archives//html/Towertalk/1997-09/msg00440.html (7,656 bytes)

16. [TowerTalk] Hand chain saw (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Thu, 18 Sep 1997 13:54:49 +0100
The Ben Meadows Company sells forestry supplies and has a very nice saw. I use one here. Limbs up to 21' high are no problem. -bob wb4mnf -- From: Dick Flanagan <dick@libelle.com> To: Paul Terwillige
/archives//html/Towertalk/1997-09/msg00526.html (7,829 bytes)

17. [TowerTalk] Re: coax as balanced line (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Sat, 2 Aug 1997 11:34:45 +0100
What makes things work? VooDoo! What keeps them from working? Bugs! What makes them break? Gremlins! Who is the Chief Gremlin? Murphy! Assumptions: Matched line (no radiation) Pysics is a constant :-
/archives//html/Towertalk/1997-08/msg00036.html (9,343 bytes)

18. [TowerTalk] Measured S-meter db/S-unit TS-450 (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Sun, 10 Aug 1997 10:06:58 +0100
Brian and you guys, Here is my take on the S meter stuff.... Assumption that Brians pad is db as power ratio in accordance with the usual db=10log(P2/P1) and applying 10dbP2/P1=20dbV2/V1 cause the S
/archives//html/Towertalk/1997-08/msg00367.html (11,058 bytes)

19. [TowerTalk] Measured S-meter db/S-unit TS-450 (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Sun, 10 Aug 1997 18:50:07 +0100
which is pretty darn close to 48db or 6db/S unit. As to what S9 means on K3KO meter, he'll have to measure it to find out. My point. If you use a voltmeter on the AGC line (your S meter will do if i
/archives//html/Towertalk/1997-08/msg00375.html (8,341 bytes)

20. [TowerTalk] Measured S-meter db/S-unit TS-450 (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Mon, 11 Aug 1997 09:45:05 +0100
Jim You are correct. a db is a db ..... -a sheepish bob wb4mnf -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQU
/archives//html/Towertalk/1997-08/msg00388.html (7,804 bytes)


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