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1. [TowerTalk] Coax Run To Tower (score: 1): Author: "Keith Dutson" <kdutson@sbcglobal.net>; Date: Mon, 7 Aug 2006 16:41:31 -0500; I have to make a rather long run from the shack to tower, about 500 feet. This tower will have 2 el 80 + 8/8/8 stack 10 + log periodic covering 30-10. What kind of coax would you run assuming only on; /archives//html/Towertalk/2006-08/msg00175.html (7,078 bytes)
2. Re: [TowerTalk] Coax Run To Tower (score: 1): Author: <donovanf@starpower.net>; Date: Mon, 7 Aug 2006 17:53:28 -0400 (EDT); Dan, Here are the attenuation specifications for some common cables at 28 MHz: Cable dB per 100 ft dB per 500 ft LDF7-50A .12 .6 LDF5-50A .19 .95 3/4" CATV .26 1.3 LDF4-50A .35 1.75 9913 .64 3.2 LMR-; /archives//html/Towertalk/2006-08/msg00176.html (7,909 bytes)
3. Re: [TowerTalk] Coax Run To Tower (score: 1): Author: "Tom McAlee" <tom@klient.com>; Date: Mon, 7 Aug 2006 18:26:09 -0400; W3LPL covered the coax question. But, here is a suggestion about the switch: put it at the base of the tower! We learned that lesson the hard way during WPX CW this year in the KD4D @ N3HBX M/2 effor; /archives//html/Towertalk/2006-08/msg00177.html (8,384 bytes)
4. Re: [TowerTalk] Coax Run To Tower (score: 1): Author: bob finger <finger@goeaston.net>; Date: Mon, 07 Aug 2006 19:19:39 -0400; Keith: Using TLW, 7/8 Andrew hardline is the SMALLEST that has less than 1 db loss over the length That has always been my rule of thumb ie no more than 1 db loss in feedline at highest frequency of; /archives//html/Towertalk/2006-08/msg00180.html (7,681 bytes)
5. Re: [TowerTalk] Coax Run To Tower (score: 1): Author: "K8RI on TowerTalk" <K8RI-on-TowerTalk@tm.net>; Date: Tue, 8 Aug 2006 00:54:05 -0400; Then how do you keep the ice off in the winter? Roger Halstead (K8RI and ARRL 40 year Life Member) N833R - World's oldest Debonair CD-2 www.rogerhalstead.com (Use return address from home page) ____; /archives//html/Towertalk/2006-08/msg00186.html (8,496 bytes)
6. Re: [TowerTalk] Coax Run To Tower (score: 1): Author: "K8RI on TowerTalk" <K8RI-on-TowerTalk@tm.net>; Date: Tue, 8 Aug 2006 00:58:10 -0400; What about the larger sizes of Times Wire LMR cables? They make some fairly large cables. I'm looking at LMR 900, but I only have a 200 foot run to the top of the tower and another 28 feet to the an; /archives//html/Towertalk/2006-08/msg00187.html (9,066 bytes)
7. Re: [TowerTalk] Coax Run To Tower (score: 1): Author: "Keith Dutson" <kdutson@sbcglobal.net>; Date: Tue, 8 Aug 2006 11:08:08 -0500; Many thanks to all for your suggestions, recommendations and comments, especially to the person that supplied the loss information for the various types and sizes (sri cannot remember your name). I f; /archives//html/Towertalk/2006-08/msg00192.html (8,707 bytes)
8. Re: [TowerTalk] Coax Run To Tower (score: 1): Author: Dave NØRQ <n0rq-lists@sbcglobal.net>; Date: Tue, 8 Aug 2006 11:36:02 -0500; Here is a coax calculator that seems to be a good tool: http://www.ocarc.ca/coax.htm Plug in the variables, and it will tell you exactly (in theory) what the loss is. - Dave N0RQ ____________________; /archives//html/Towertalk/2006-08/msg00193.html (7,972 bytes)
9. Re: [TowerTalk] Coax Run To Tower (score: 1): Author: Bill Turner <dezrat@copper.net>; Date: Tue, 08 Aug 2006 10:33:25 -0700; ORIGINAL MESSAGE: -- REPLY SEPARATOR -- If money is no object, that should do. If money IS an object, you might consider open-wire feedline with a good balun at each end. Bill, W6WRT ________________; /archives//html/Towertalk/2006-08/msg00195.html (8,362 bytes)

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