- 61. Re: [TowerTalk] inverted vee (score: 1)
- Author: Jim Hoge <knowkode@verizon.net>
- Date: Fri, 6 Nov 2015 17:10:48 +0000 (UTC)
- Herb, Maybe not transposed but not clear. I was showing the difference and assumed that it was understood that the difference is what was needed to be added to the antenna to lower its resonant frequ
- /archives//html/Towertalk/2015-11/msg00068.html (10,441 bytes)
- 62. [TowerTalk] 6m halo capacitor (score: 1)
- Author: Jim Hoge <knowkode@verizon.net>
- Date: Fri, 4 Dec 2015 17:22:16 +0000 (UTC)
- I have an old 6m halo of unknown manufacture. (Think Rohn 40 vintage.) It is about 37" in diameter and made from 3/4" aluminum tubing. The mounting bracket is cast aluminum in a tee shape. The gamma
- /archives//html/Towertalk/2015-12/msg00065.html (8,421 bytes)
- 63. Re: [TowerTalk] Rohn 55g Beacon Plate Bolt Pattern (score: 1)
- Author: knowkode@verizon.net
- Date: Sun, 17 Apr 2016 17:42:28 -0400
- Rich, I don't have a beacon plate handy but I just measured my beacon. It has 5/8" diameter holes set in a square pattern and the holes are 9 1/4" center to center (not diagonally). 73, Jim, W5QM --O
- /archives//html/Towertalk/2016-04/msg00210.html (7,833 bytes)
- 64. Re: [TowerTalk] March QST cover (score: 1)
- Author: knowkode@verizon.net
- Date: Mon, 27 Feb 2017 07:56:31 -0500
- Rob, Agreed. However, rather than league bashing on this forum, I would encourage every league member to contact their section mgr, division director, and everyone they can think of in Newington. The
- /archives//html/Towertalk/2017-02/msg00502.html (8,201 bytes)
- 65. Re: [TowerTalk] Tower height calculator for airports (score: 1)
- Author: knowkode@verizon.net
- Date: Sun, 29 Jul 2018 14:39:58 -0400
- If I remember correctly, it's a 100/1 glideslope so for a 90' tower, you need to be 9000 feet from the nearest surface of the runway. Additionally, many airport areas have additional restrictions for
- /archives//html/Towertalk/2018-07/msg00211.html (7,241 bytes)
- 66. [TowerTalk] thrust bearings (score: 1)
- Author: <knowkode@verizon.net>
- Date: Sat, 6 Oct 2018 15:57:02 +0000 (UTC)
- Greetings All, I have used Rohn TB3 thrust bearings in the past without issue but I have seen my fair share of worn out bearings due mainly to an antenna being parked in one direction for a long tim
- /archives//html/Towertalk/2018-10/msg00017.html (7,060 bytes)
- 67. Re: [TowerTalk] thrust bearings (score: 1)
- Author: <knowkode@verizon.net>
- Date: Sat, 6 Oct 2018 21:08:43 +0000 (UTC)
- Jim, I had reservations about using a conventional flange bearing but your roof jack idea jostled a memory. I haven't seen that trick in 15 years. Thanks for the ideas. Jim, W5QM ____________________
- /archives//html/Towertalk/2018-10/msg00022.html (7,651 bytes)
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