Polypropylene, Or Dacron Rope For Long term Outdoor Usage: Suggestions ?

Hello:
Will beputting up a simple horizontal radio antenna for receiving only.
Have to connect the end of the antenna wire to a tree, perhaps 15 feet or so away.
It's going to be a real pain to string it, and would really like whatever I use to tie the end of the wire to the insulator I'll have on the tree to last a Very long time.
How is polypropolyne rope for very long term outdoor usage ? Thinking of brittleness problems due to ozone, heat in the summer, zero temp's in the winter, etc. ?
Anything better; perhaps items like Dacron rope ?
Or,... ?
Thanks, Bob
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The best ropes are used for mountain climbing, but over a long period of time even they will break down. You'd be better off using stranded aluminum cable. The kind they sell in hardware stores.

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Use "aircraft" cable. It's stainless steel and very reliable. Home Depot sells it by the foot. Cut it with a cold chisel and small sledge hammer on a rock or bench vice.
Do not use polypropylene rope for anything. There are pix on the web of a tug-of-war using poly rope -- the rope didn't just break, it exploded. A couple of guys were killed.
Bob wrote:

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Climbing rope is nylon typically and nylon has poorer UV resistance than polyester.
Polyester (one brand name is Dacron) would be a better choice. However, I'd use stainless steel cable as others have suggested.
Mike
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where it's ability to float is an asset. Dacron is the better choice.
Climbing rope (as someone suggested) is a very poor choice. It is very expensive, is designed to stretch (to absorb fall impact) and degrades in light.
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I've had some experience with CB antennas and my father-in-law is a ham radio operator, here's my two cents.
I took a look on the web and found a site that details how to construct a long wire antenna.
http://www.athensarc.org/UnderstandingAntennas.htm
I hope it helps.
Handi
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Some UV resistant Dacron should be longer lasting. Check this out.
http://thewireman.com/antacc.html#3
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Robert11 wrote:

buy clothes line cable, which is steel cable sheathed with a plastic. The plastic will eventually crack and fall to pieces but in the mean time it protects the steel.
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