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Total 391 documents matching your query.

281. Re: [TowerTalk] 6000 psi grout (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 25 May 2011 20:15:31 -0400
If I wanted to protect the area from corrosion I would leave it open to the elements and coat everything with Waxoyl or something similar such as the stuff that automotive rustproofing companies like
/archives//html/Towertalk/2011-05/msg00440.html (13,733 bytes)

282. Re: [TowerTalk] Need help with HF problems (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 28 May 2011 17:34:50 -0400
Did you shorten your coaxes or coil them up? What grounding do you have right now? Maybe you can you one of those MFJ artificial grounds and a counterpoise. What antennas are you running and what ban
/archives//html/Towertalk/2011-05/msg00452.html (11,240 bytes)

283. [TowerTalk] Fw: Need help with HF problems (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 28 May 2011 20:27:23 -0400
Hi Magnus, Check the ground system, makes the cables as short as possible, each equipment must have its own ground wire to any common type of bar, you need to connect all ground (chassis of the compu
/archives//html/Towertalk/2011-05/msg00453.html (11,728 bytes)

284. Re: [TowerTalk] Guy wire attachment (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 29 May 2011 19:43:43 -0400
Steve, Take a look at the Rohn catalog. They have equalizer plates to balance the load between the upper and lower set of guys. You will need a good turnbuckle on each guy wire since the guy tension
/archives//html/Towertalk/2011-05/msg00460.html (8,002 bytes)

285. Re: [TowerTalk] Guy wire attachment (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Mon, 30 May 2011 08:42:40 -0400
The turnbuckles that Rohn supplies are made by Chicago. You can find the same Chicago turnbuckles without the Rohn markup from US Suppliers on the web I avoided the unknown Chinese offerings. Mark N1
/archives//html/Towertalk/2011-05/msg00469.html (7,940 bytes)

286. Re: [TowerTalk] Best source lmr 600 (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 15 Jun 2011 18:18:11 -0400
I live in NC and generally if I order something from the Wireman, I get it delivered the next day. Mark N1UK _______________________________________________ __________________________________________
/archives//html/Towertalk/2011-06/msg00121.html (12,943 bytes)

287. Re: [TowerTalk] Probably stupid coax question (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 22 Jun 2011 18:58:36 -0400
Yes that center conductor is big. The connectors that work with this coax are Amphenol connectors UHF-182120 that I buy from The RF Connection. I use this coax a lot and have put on many connectors.
/archives//html/Towertalk/2011-06/msg00183.html (8,877 bytes)

288. Re: [TowerTalk] control cables lightning protection (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Fri, 24 Jun 2011 10:39:18 -0400
I put an MOV with a cap in parallel from each line to the tower ground. I have MOV's in the box at the bottom of the tower and also at my SPG box. Depending on the control voltage I think that I had
/archives//html/Towertalk/2011-06/msg00198.html (8,192 bytes)

289. Re: [TowerTalk] Subject: Re: Tower Legs in Concrete (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 30 Jun 2011 12:38:18 -0400
I made sure that the concrete base pad was slightly domed where the legs come out of the concrete and I also have a good slope on the top of the pad, so that the water runs away from the legs very we
/archives//html/Towertalk/2011-06/msg00281.html (8,351 bytes)

290. Re: [TowerTalk] Best way to attach radial to radial plate (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 2 Jul 2011 11:45:25 -0400
I would crimp and solder the ring terminals. I would also apply some Penetrox between the ring terminal and the SS hardware. I imagine that if a lightning strike occurred that the radial wires are mo
/archives//html/Towertalk/2011-07/msg00010.html (8,986 bytes)

291. Re: [TowerTalk] Best way to attach radial to radial plate (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 2 Jul 2011 17:10:16 -0400
Should I add a ground rod by each vertical for grounding I wonder Mark N1UK 2,5 mH choke (or 10 Mohm resistor) from vertical to ground rod will protect vertical of static buil-up, and myo may add spa
/archives//html/Towertalk/2011-07/msg00025.html (9,649 bytes)

292. Re: [TowerTalk] Next Radial - Question (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 3 Jul 2011 14:18:49 -0400
I got some of those steel rods that are used to keep insulation up under the house. I can make around 300 8 inch pins for $10. Right now I have the time and not the money Mark N1UK __________________
/archives//html/Towertalk/2011-07/msg00043.html (10,205 bytes)

293. Re: [TowerTalk] Need push up mast (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 5 Jul 2011 15:51:28 -0400
These guys stock them and if I needed one I could drive up there and pick it up. The shipping is normally more than the cost of the mast. Your best bet is to find one near to you and drive to and pic
/archives//html/Towertalk/2011-07/msg00077.html (9,683 bytes)

294. Re: [TowerTalk] Need push up mast (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 6 Jul 2011 07:07:01 -0400
Which is why I said that I was lucky in that I could drive up there and pick up a mast or two if needed. The commercial shipping will kill you. Once you are over 8 feet you are in a world of hurt (hi
/archives//html/Towertalk/2011-07/msg00090.html (13,520 bytes)

295. Re: [TowerTalk] Tower Leasing (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Fri, 8 Jul 2011 18:00:03 -0400
What is the average rate that the WISP people pay for a leased tower? Mark N1UK _______________________________________________ _______________________________________________ TowerTalk mailing list
/archives//html/Towertalk/2011-07/msg00136.html (8,878 bytes)

296. Re: [TowerTalk] pushing a mast up at the top of the tower (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 10 Jul 2011 17:23:06 -0400
I believe that it is normally done with a come-along but when we did my tower, we lifted the mast up with a gin pole, pulled up by my farm tractor and we were able to raise and lower the mast using t
/archives//html/Towertalk/2011-07/msg00149.html (9,223 bytes)

297. Re: [TowerTalk] Phillystran on 45G towers (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 14 Jul 2011 08:59:49 -0400
I used 3/16 ehs with insulators on my bottom guys and HPTG6700I. phillystran on the top guys. If I did it again I would probably use philly on both. Nice to work with and light. I learnt how to put t
/archives//html/Towertalk/2011-07/msg00197.html (11,205 bytes)

298. Re: [TowerTalk] Tower or new Radio (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 16 Jul 2011 10:15:33 -0400
My G5RV is no slouch but on 20m I get reports that my signal is 20 to 30 dB stronger on the beam. The beam is high, so there is not just antenna gain but radiation angle involved as well I think. No
/archives//html/Towertalk/2011-07/msg00238.html (8,283 bytes)

299. Re: [TowerTalk] DX Engineering DXE400MAX Cable? (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Fri, 22 Jul 2011 08:28:47 -0400
I would call DX Engineering and ask them who makes their DXE cable for them and how it compares to the Davis equivalent. In my experience the quality of their inventory is top notch. Mark N1UK ______
/archives//html/Towertalk/2011-07/msg00297.html (8,035 bytes)

300. Re: [TowerTalk] DX Engineering DXE400MAX Cable? (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 23 Jul 2011 09:55:30 -0400
Yes......my feelings too Where was Lord Bryan when they were teaching social graces !!! Mark N1UK _______________________________________________ _______________________________________________ Tower
/archives//html/Towertalk/2011-07/msg00315.html (10,233 bytes)


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