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1. Re: [TowerTalk] Yaesu GX-2800 mast clamp. (score: 1): Author: TexasRF@aol.com; Date: Sat, 21 Nov 2009 20:27:09 EST; The GC-048 is the same as the supplied mast clamps with the Yaesu G2800SDX rotator. These clamps fit both the top and the bottom of the G2800SDX. 73, Gerald K5GW In a message dated 11/21/2009 7:19:43; /archives//html/Towertalk/2009-11/msg00393.html (7,272 bytes)
2. Re: [TowerTalk] Thinning liquid tape (score: 1): Author: TexasRF@aol.com; Date: Wed, 4 Nov 2009 01:28:29 EST; A Google search for liquid tape thinner didn't turn up an immediate answer but did turn up a pdf from GC Electronics containing a spec sheet for liquid tape. In this spec sheet was a listing of compo; /archives//html/Towertalk/2009-11/msg00098.html (9,922 bytes)
3. Re: [TowerTalk] RG218 (score: 1): Author: TexasRF@aol.com; Date: Fri, 30 Oct 2009 14:05:58 EDT; Jim, Pasternack has N, HN, LC, SC and 7/16DIN connectors for RG218. Think of RG218 as a very heavy duty version of RG213/U. Due to the solid dielectric, it is a tad on the stiff side but at one time; /archives//html/Towertalk/2009-10/msg00478.html (7,438 bytes)
4. Re: [TowerTalk] Coax soldering (score: 1): Author: TexasRF@aol.com; Date: Wed, 21 Oct 2009 18:24:12 EDT; Pete, the problem is there are no instructions for connecting coax to open wire.We were talking about fishing the center conductor through the braid to do the job. No connector involved at all in thi; /archives//html/Towertalk/2009-10/msg00343.html (12,663 bytes)
5. Re: [TowerTalk] Coax soldering (score: 1): Author: TexasRF@aol.com; Date: Wed, 21 Oct 2009 18:01:22 EDT; Rick has the answer. Fishing the center conductor through the opening in the shield is easier if you provide a few inches of extra length and push the shield up the coax so it increases diameter a bi; /archives//html/Towertalk/2009-10/msg00341.html (10,098 bytes)
6. Re: [TowerTalk] Stack as vertical (score: 1): Author: TexasRF@aol.com; Date: Sat, 10 Oct 2009 09:05:35 EDT; Mike, a simple L network will match a huge range of impedances. If you can characterize the R +-j at the end of your gamma no doubt you will be able match it with one of the four available L configur; /archives//html/Towertalk/2009-10/msg00074.html (8,318 bytes)
7. Re: [TowerTalk] 3" Boom Joints (score: 1): Author: TexasRF@aol.com; Date: Wed, 23 Sep 2009 18:41:20 EDT; At onlinemetals.com 6061-T6 with 2.75 O.D. and .25" wall is listed for about $22 per ft. This diameter will require less machining to fit the i.d. of the 3" material. If the tolerances are out of pha; /archives//html/Towertalk/2009-09/msg00400.html (8,610 bytes)
8. Re: [TowerTalk] Pier pin on Rotating Tower (score: 1): Author: TexasRF@aol.com; Date: Mon, 21 Sep 2009 16:41:38 EDT; Phil, if the rotator is located at the first guy level, the pier pin base or concrete base is ok. In this case, you might consider using the six guy torq assembly at the first guy level to help absor; /archives//html/Towertalk/2009-09/msg00359.html (7,516 bytes)
9. Re: [TowerTalk] two benefits of postings on Re: Resonance is over rated (score: 1): Author: TexasRF@aol.com; Date: Sun, 9 Aug 2009 21:56:12 EDT; Make sure all Xc values are negative. Xl and R are positive numbers. Perhaps the concept should be "self resonance is over rated". We all spend a lot of time to achieve resonance more or less by adju; /archives//html/Towertalk/2009-08/msg00160.html (9,397 bytes)
10. Re: [TowerTalk] Cable Runs (score: 1): Author: TexasRF@aol.com; Date: Mon, 27 Jul 2009 18:49:59 EDT; Gene's email is chock full of good ideas and advice. The serpentine step is a stroke of genius! A corrugated drain pipe can also be used if an additional step is added: where the pull cables and wire; /archives//html/Towertalk/2009-07/msg00546.html (11,417 bytes)
11. Re: [TowerTalk] Need European spec for Chrome moly tube (score: 1): Author: TexasRF@aol.com; Date: Tue, 14 Jul 2009 18:33:53 EDT; John, try a google search for 4130 chromoly specification. Several hits will come up. Beware that the material is usually sold without the final heat treatment and to reach the yield strength you are; /archives//html/Towertalk/2009-07/msg00245.html (9,636 bytes)
12. Re: [TowerTalk] Guyed wire angles (score: 1): Author: TexasRF@aol.com; Date: Mon, 13 Jul 2009 17:28:36 EDT; Rocky, the major effect is the guy system uses up more real estate than normal guying schemes. The forces on the guy wires will be somewhat less and that could be a good thing. Gerald Williamson, Gen; /archives//html/Towertalk/2009-07/msg00217.html (8,649 bytes)
13. Re: [TowerTalk] MOVs in Stackmatch (score: 1): Author: TexasRF@aol.com; Date: Wed, 3 Jun 2009 21:05:16 EDT; I was under the impression that MOV devices are "damaged" somewhat during each protection event and eventually enough "damage" accumulates and they have to be replaced. Maybe someone with more knowle; /archives//html/Towertalk/2009-06/msg00102.html (9,786 bytes)
14. Re: [TowerTalk] 6M Beam being weird (score: 1): Author: TexasRF@aol.com; Date: Sun, 26 Apr 2009 12:42:10 EDT; Scott, 10:1 vswr indicates a GROSS mismatch. This can happen when there is a short circuit or open circuit between the coax and gamma match. Ian had a good suggestion about the N connector. If you co; /archives//html/Towertalk/2009-04/msg00735.html (7,762 bytes)
15. Re: [TowerTalk] 6061 vs 6063 (score: 1): Author: TexasRF@aol.com; Date: Tue, 24 Mar 2009 17:55:45 EDT; Most antenna manufacturers are using 6063-T832 alloy tubing. The T832 is very important and I have seen no one refer to this in these tubing discussions. The yield strength of 6061-T6 and 6063-T832 i; /archives//html/Towertalk/2009-03/msg00708.html (13,240 bytes)
16. Re: [TowerTalk] Ring Rotator and Tribander? Advise sought (score: 1): Author: TexasRF@aol.com; Date: Mon, 16 Mar 2009 18:21:17 EDT; If you scale this scenario to 2 meters, it is similar to using a 1.8 inch o.d. mast to support and rotate a beam antenna. This is done all the time with no apparent problem. 73, Gerald K5GW In a mess; /archives//html/Towertalk/2009-03/msg00429.html (9,361 bytes)
17. Re: [TowerTalk] Tower Hardware (score: 1): Author: TexasRF@aol.com; Date: Mon, 9 Mar 2009 10:49:55 EDT; The thimble installation goes much easier if you twist the legs away from each other, one left, the other right instead of prying them open. A couple of vise grip pliers makes this quick and easy and; /archives//html/Towertalk/2009-03/msg00201.html (8,740 bytes)
18. Re: [TowerTalk] ohn 45G - Swaged or welded sleeves on legs ?? (score: 1): Author: TexasRF@aol.com; Date: Thu, 26 Feb 2009 16:31:25 EST; Having sold thousands of 45G sections over the past 30+ years, I can state positively that 45G uses a joining sleeve on the lower end of the section. There is NO swaged joint on Rohn 45G tower sectio; /archives//html/Towertalk/2009-02/msg00609.html (12,081 bytes)
19. Re: [TowerTalk] A poll of Cubical Quad qwners (score: 1): Author: TexasRF@aol.com; Date: Sat, 17 Jan 2009 17:53:00 EST; Have you considered using a few snap on ferrite cores on the end of the matching sections where they connect to the driven element? 73, Gerald K5GW In a message dated 1/17/2009 2:34:37 P.M. Central S; /archives//html/Towertalk/2009-01/msg00280.html (9,886 bytes)
20. Re: [TowerTalk] Crimper for Belden 9913 - Response DAVIS RF Co. (score: 1): Author: TexasRF@aol.com; Date: Sun, 4 Jan 2009 09:34:13 EST; Perhaps the .128" size is defined by the o.d. of the center pin which naturally is larger than the center conductor? 73, Gerald K5GW In a message dated 1/4/2009 12:26:53 A.M. Central Standard Time, s; /archives//html/Towertalk/2009-01/msg00076.html (10,767 bytes)

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