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1. [TowerTalk] Mystery hardline (score: 1): Author: Guy Molinari <guy_molinari@hotmail.com>; Date: Tue, 2 Nov 2010 06:15:28 +0000; I picked up some surplus hardline. It has an OD of 5/8" including a 1/16" plastic jacket. The jacket is black and has a green stipe running up 2 sides of the cable. Any idea of what this stuff is? Sp; /archives//html/Towertalk/2010-11/msg00006.html (6,601 bytes)
2. Re: [TowerTalk] Mystery hardline (score: 1): Author: Robert Chudek - K0RC <robert.chudek@gmail.com>; Date: Tue, 02 Nov 2010 21:37:04 -0500; Guy, No, I don't have a clue what it might be. It's kind of like asking "I've got a set of four black tires with white sidewalls on one side of them. Will they work on my car?" But you can test the c; /archives//html/Towertalk/2010-11/msg00013.html (8,790 bytes)
3. Re: [TowerTalk] Mystery hardline (score: 1): Author: "Gary \"Joe\" Mayfield" <gary_mayfield@hotmail.com>; Date: Tue, 2 Nov 2010 22:45:37 -0500; Please help with a little more info, and we may be able to identify it. 1. Is the shield aluminum or copper? 2. Is the shield smooth or ridged. 3. If ridged is the shield like a series of smaller and; /archives//html/Towertalk/2010-11/msg00014.html (9,767 bytes)
4. Re: [TowerTalk] Mystery hardline (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Tue, 02 Nov 2010 22:34:55 -0700; Nope. BUT -- loss in ANY transmission line is primarily due to I squared R losses in the copper, both center and shield. Dielectric loss doesn't begin to show up until at least UHF, and even then, R; /archives//html/Towertalk/2010-11/msg00016.html (8,258 bytes)
5. Re: [TowerTalk] Mystery hardline (score: 1): Author: "Stan Stockton" <stan@aqity.com>; Date: Tue, 2 Nov 2010 09:38:49 -0500; It is probably 1/2" CATV hardline. If the center conductor will fit nicely into the hole in a PL-259 and it has foam dielectric, I would bet that is what it is. If you have an analyzer put a 50 ohm r; /archives//html/Towertalk/2010-11/msg00021.html (8,748 bytes)
6. Re: [TowerTalk] Mystery hardline (score: 1): Author: TexasRF@aol.com; Date: Wed, 3 Nov 2010 16:48:16 EDT; Guy, Bob and all, the 50 vs 75 ohm question can be solved with a hand calculator after taking a couple of measurements; the coax center conductor and shield diameters. It most likely has a foam diele; /archives//html/Towertalk/2010-11/msg00038.html (11,389 bytes)
7. Re: [TowerTalk] Mystery hardline (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Wed, 03 Nov 2010 17:04:31 -0700; It is likely 75ohm if it is CATV distribution coax, so also test with that value resistor. There is also a lot of 50ohm cell base station hardline in the market. I picked up N connectors for hardline; /archives//html/Towertalk/2010-11/msg00045.html (11,166 bytes)

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