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Total 290 documents matching your query.

101. Re: [TowerTalk] antenna choices (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Fri, 10 Apr 2015 16:43:54 -0700
Don't forget - HyGain and Cushcraft are under the MFJ umbrella. Who knows how successful they would be as separate businesses? Larsen is a predominately commercial antenna producer. Don't know about
/archives//html/Towertalk/2015-04/msg00142.html (14,671 bytes)

102. [TowerTalk] Loosening Rusted Hardware (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Sat, 11 Apr 2015 11:06:53 -0700
Patrick, is this the University report on alternatives to WD-40 you were referring to?? This was also some info an a mechanical mag but I didn't keep it. https://www.engineeringforchange.org/news/fil
/archives//html/Towertalk/2015-04/msg00177.html (11,109 bytes)

103. Re: [TowerTalk] WD-40 (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Sun, 12 Apr 2015 21:55:42 -0700
Forget the ATF, use vegetable oil. And you don't need 50 percent acetone, try 30. I followed the formula in the Drexel U lab experiment and it worked great on a big hinge tower bolt/nut that was horr
/archives//html/Towertalk/2015-04/msg00234.html (8,605 bytes)

104. Re: [TowerTalk] More from the M2 antennas quality control file (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Tue, 14 Apr 2015 08:46:27 -0700
I don't know about anyone else but frankly I'm tired of being subjected to having to read vicious and I believe unwarranted attacks on others on this reflector. Obviously no one here can help althoug
/archives//html/Towertalk/2015-04/msg00368.html (20,846 bytes)

105. [TowerTalk] Penetrating Mixtures (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Tue, 14 Apr 2015 09:14:14 -0700
I used the veggie oil and acetone mix (but with around 30-40 percent acetone), as outlined in the Drexel U lab report. It worked well on a badly rusted 3/4 bolt at the base of my crankup. I did my mi
/archives//html/Towertalk/2015-04/msg00371.html (12,215 bytes)

106. Re: [TowerTalk] G5RV vs 40M dipole (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Sun, 26 Apr 2015 10:43:21 -0700
I've also used a G5RV at various times. My first use was as a temporary compromise antenna (all all-band antennas are a compromise of course) when we moved to the coast. Worked great, considering, at
/archives//html/Towertalk/2015-04/msg00594.html (12,207 bytes)

107. Re: [TowerTalk] 90 degree coax bend atop a crankup tower (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Thu, 4 Jun 2015 19:14:55 -0700
I've a 70 foot crankup and a 51 foot crankup. I live in an area where the typical daily wind is 10-20 MPH and during the winter gusts often up to 70+ (or more on occasion). On the 70 foot crankup my
/archives//html/Towertalk/2015-06/msg00053.html (14,653 bytes)

108. Re: [TowerTalk] Fulton K1550 / K2550 Swap: Cable Question (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Thu, 4 Jun 2015 19:51:37 -0700
Fulton, as I recollect, advised me that a minimum of 5 to 8 wraps on the drum (not a full layer) is recommended to remain at full cable pay out. I was also advised to NOT have more cable on the winch
/archives//html/Towertalk/2015-06/msg00054.html (9,760 bytes)

109. Re: [TowerTalk] Guy Wire Cable Clamps (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Mon, 8 Jun 2015 11:26:03 -0700
Since all of my towers have been unsupported crankups, I've never had the pleasure of dealing with guys. When I first moved here, not understanding how bad the salt air environment would be on anythi
/archives//html/Towertalk/2015-06/msg00110.html (11,121 bytes)

110. [TowerTalk] MidAmerican Energy Company - From the Ground Up: Building our energy future, one turbine at a time - YouTube (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Thu, 11 Jun 2015 11:11:32 -0700
I recognize it is sort of a commercial but it was interesting to see how one of these wind towers is put together and the safety gear used by the guys doing the grunt work inside. Hope it isnt a dupe
/archives//html/Towertalk/2015-06/msg00144.html (7,974 bytes)

111. Re: [TowerTalk] Homebrew tower... (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Sat, 27 Jun 2015 20:15:10 -0700
The effects of salt water corrosion on low grade steels and aluminums is indicated in this coast OR county as effective up to 5-10 miles, with a lot variances in the mix. I'm 450 M back and up on a 7
/archives//html/Towertalk/2015-06/msg00289.html (11,529 bytes)

112. [TowerTalk] Slobering Irons (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Sun, 26 Jul 2015 16:39:23 -0700
My almost 60 year old trusty soldering iron which I used to solder the hole and pin of the UHF connectors went belly up. There is no information on it re brand or wattage but I could change tips. Im
/archives//html/Towertalk/2015-07/msg00255.html (7,163 bytes)

113. Re: [TowerTalk] Concrete Pad for U.S. Tower TX-472 (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Sun, 26 Jul 2015 21:51:23 -0700
Well, to be more accurate, not often and not large ones in the Pacific NW. Don W7WLL That's what my PE said. He's a ham who was recommendedby this forum and I trust his knowledge of the matter. The c
/archives//html/Towertalk/2015-07/msg00267.html (10,350 bytes)

114. [TowerTalk] Someone's Tower Fall Over in OK? (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Mon, 27 Jul 2015 11:55:52 -0700
Or the result of fracking? Know folks with towers in OK have to contend with tornados at times, but earthquakes seem to be on an increase too? Wonder if anyone has ever encountered a tower-earthquake
/archives//html/Towertalk/2015-07/msg00277.html (8,298 bytes)

115. [TowerTalk] Slobering Irons (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Wed, 29 Jul 2015 07:46:23 -0700
Well!!! There seem to be as many opinions on soldering tools as there are about automobiles. As I originally posted, my old old soldering iron bit the dust and my primary use for it was in soldering
/archives//html/Towertalk/2015-07/msg00321.html (10,960 bytes)

116. Re: [TowerTalk] FW: Wire Antenna In A Tree (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Fri, 7 Aug 2015 20:53:33 -0700
Certainly agree with the 'mad' media, but it would appear that many articles on this subject would disagree with the distinction you have raised, particularly that a drone needs a jet or engine (quad
/archives//html/Towertalk/2015-08/msg00138.html (13,659 bytes)

117. Re: [TowerTalk] Tilt Over Cable Replacement (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Mon, 17 Aug 2015 14:35:52 -0700
Or find a business that services cats, cranes and the like which use cables. Phil, Locally, we have a ship rigging company that is able to make and terminate steel cables for towers. Perhaps you have
/archives//html/Towertalk/2015-08/msg00367.html (9,461 bytes)

118. Re: [TowerTalk] TH7-DX 15M problem (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Wed, 26 Aug 2015 16:35:11 -0700
Some questions, some probably obvious! 1. Full set - you mean all 6 15M traps?? If a one band issue and the SWR is high (5-10) I'd be looking for the problem in the DE's. If lower (assuming it was wo
/archives//html/Towertalk/2015-08/msg00459.html (11,598 bytes)

119. Re: [TowerTalk] weather station on tower? (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Mon, 31 Aug 2015 16:22:46 -0700
The NOAA/NWS standard for an anemometer is at the top of a 33 foot tower. Winds going over or around hills, buildings, trees, whatever, will be stronger than if not disturbed by upstream objects. Als
/archives//html/Towertalk/2015-08/msg00547.html (11,425 bytes)

120. Re: [TowerTalk] weather station on tower? (score: 1)
Author: "Don W7WLL" <w7wll@arrl.net>
Date: Mon, 31 Aug 2015 16:50:39 -0700
Forgot the questions. Like Dave I put toroids in the normal places as he did and have not had a problem, and my RFhs no effect on the reports being sent from my Peet system via a 2M packet xmitter to
/archives//html/Towertalk/2015-08/msg00548.html (8,757 bytes)


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