- 1. [TowerTalk] Cushcraft R7 (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Wed, 26 Sep 2001 16:57:10 -0500
- The torroids inside the black box are known to crack. John KC4ZXX I currently have an R7 mounted at 8 feet above the ground. The SWR curve is as advertised, however from time to time the SWR goes thr
- /archives//html/Towertalk/2001-09/msg00699.html (8,826 bytes)
- 2. [TowerTalk] Solvents (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Sun, 17 Jun 2001 20:31:00 -0500
- Greg: What do you suggest to do with the waste should one of these chemicals be used? thanks John I'm not an expert when it comes to antennas or modeling but I've learned alot about who to believe an
- /archives//html/Towertalk/2001-06/msg00437.html (10,341 bytes)
- 3. [TowerTalk] Mast Stress Calc (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Thu, 17 May 2001 17:59:17 -0500
- This is absolutely true, but if you fasten them together at intervals it becomes much stronger. gl John KC4ZXX The moment of inertia (I) of the two tubess can be added together as long as they have t
- /archives//html/Towertalk/2001-05/msg00393.html (9,136 bytes)
- 4. [TowerTalk] near field pattern on 6M? (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Mon, 30 Apr 2001 17:21:23 -0500
- Bill: Most of this is easy to check. Turn the computer and other suspects off and see if the noise goes away. John KC4ZXX I have an interference problem on 6M. there is a noise source that seems to b
- /archives//html/Towertalk/2001-04/msg00643.html (9,376 bytes)
- 5. [TowerTalk] Steel vs Aluminum (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Thu, 29 Mar 2001 18:41:03 -0600
- Joe: This looks like you have found some sort of specification on designing with aluminum. Could you tell me which ones this info is found in? thanks, John KC4ZXX --Original Message-- From: owner-tow
- /archives//html/Towertalk/2001-03/msg00648.html (8,003 bytes)
- 6. [TowerTalk] Steel vs Aluminum (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Fri, 30 Mar 2001 22:18:23 -0600
- Joe: Thanks for the response. I was hoping for a reference to an actual standard such as the Building Code Requirements for Structural Concrete by the ACI or Manual of Steel Construction by the AISC.
- /archives//html/Towertalk/2001-03/msg00689.html (10,701 bytes)
- 7. [TowerTalk] Aluminum Fatigue (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Fri, 30 Mar 2001 22:28:30 -0600
- Bob: I think this is what I've been looking for. Thanks, John Hi All: I could not resist a few comments on the aluminum fatigue question. My Reference is "Aluminum Structures" by Kissell & Ferry, whi
- /archives//html/Towertalk/2001-03/msg00690.html (7,008 bytes)
- 8. [TowerTalk] More tower concerns (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Thu, 18 Jan 2001 15:31:41 -0600
- Steve: I checked my catalog, and there is no "Prime Directive" mentioned anywhere in it. Instead, I find quite detailed engineering specifications on the tower legs, tower braces and the tower sectio
- /archives//html/Towertalk/2001-01/msg00477.html (8,092 bytes)
- 9. [TowerTalk] More tower concerns (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Thu, 18 Jan 2001 15:31:44 -0600
- Or be one. John KC4ZXX snip snip If you don't hire an expert, then you better be lucky.... -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towertalk@contesting.com Administrative
- /archives//html/Towertalk/2001-01/msg00478.html (7,530 bytes)
- 10. [TowerTalk] Slump testing? (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Tue, 7 Apr 1998 15:48:44 -0500
- Just telling the concrete vender that you intend on doing a slump test will get you concrete that meets the spec. You don't have to actually do the test John KC4ZXX --Original Message-- From: J.P. Kl
- /archives//html/Towertalk/1998-04/msg00184.html (9,719 bytes)
- 11. [TowerTalk] Rohn questions (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Thu, 9 Apr 1998 01:25:47 -0500
- 70' two has 8 unless It might be that the portion of tower that is next to the building is not exposed to the wind that a guyed tower would experience. 73 John KC4ZXX -- FAQ on WWW: http://www.conte
- /archives//html/Towertalk/1998-04/msg00235.html (7,857 bytes)
- 12. [TowerTalk] P E Fees (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Fri, 6 Feb 1998 23:53:07 -0600
- No, you haven't paid for the same engineering several times. The tower company has engineered the tower, but only the tower. The tower company has no way whatever to predict the environment that the
- /archives//html/Towertalk/1998-02/msg00229.html (8,021 bytes)
- 13. [TowerTalk] The Anger of Trees (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Sun, 11 Jan 1998 23:21:41 -0600
- You might remind your trees that a tree in the wrong place is merely a big weed and will be dealt with accordingly. John KC4ZXX -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions:
- /archives//html/Towertalk/1998-01/msg00189.html (9,268 bytes)
- 14. [TowerTalk] "Leaky" Coax, What is it? (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Sun, 10 Aug 1997 00:14:03 -0500
- In their catalog (Catalog TL-10), Times Microwave Systems, Inc. provides data on the actual leakage of various shields. Unfortunately, their data only go down to 10 MHz, but at that frequency, shield
- /archives//html/Towertalk/1997-08/msg00362.html (8,164 bytes)
- 15. [TowerTalk] R-7 HELP (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Sun, 20 Jul 1997 16:34:42 -0500
- To: <towertalk@contesting.com> Fabio: I would contact Ray at rayl@cushcraft.com. He was most helpful answering my questions about Cushcraft antennas. John KC4ZXX -- FAQ on WWW: http://www.contesting.
- /archives//html/Towertalk/1997-07/msg00647.html (8,376 bytes)
- 16. Tower ropes (score: 1)
- Author: johnfarr@ro.com (John D. Farr)
- Date: Fri, 13 Sep 1996 01:11:29 -0500
- Ed Nicholas, KD4WNJ of Theatrical Lighting Systems (enicholas@tlsinc.com) can supply Blue Water line and all sorts of other climbing and rescue stuff. 73 John KC4ZXX
- /archives//html/Towertalk/1996-09/msg00099.html (7,762 bytes)
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