 Large 75 Ohm Coaxial Hardline
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Chris
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Wed Dec 05 2007, 02:01AM
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Registered Member #8
Joined: Thu Feb 02 2006, 04:34AM
Location: Harlowton, MT, United States
Posts: 214
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I have some 5/8" and 7/8" hard coax made by Commscope. It is 75 ohm telecom stuff with the outer conductor being a solid swaged aluminum tube. It is some pretty good low loss stuff and dated fairly new. It has sat outside and is not perfectly clean, and may need lightly baked or something to dry it out if it has picked up any water. I will take care of that and make sure it is up to spec. The datasheets are here:
I am not 100% sure on the exact lengths and dates I have, but here is what I have gathered from memory and from old IRC logs (the feet are marked off on the cable):
One piece of the 0.875" dated 2006 is 154ft in total length starting from the factory end (0000ft), and has damage at 20ft and 68ft. A second piece of the 0.875" dated 2005 is 54ft in length.
The 0.625" is 80ft in total length (1486ft to 1566ft) and may have a damaged spot (footage unknown) and is dated 2005.
Once I get home in a couple weeks I will get a better look. I am offering it for sale here especially for any of you with your large radio projects; haggling starts at $1/ft for the 0.875 and a little less for the 0.625. I will be listing it on Ebay if no one here is interested.
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