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Receive Antennas (below 30MHz) - For all topics related to receive antennas used on HF, MW, LW, etc. For transmit antennas use the Amateur Radio Antennas forum.

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Old 04-29-2017, 8:14 PM
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Default 18 awg wire

I was wondering if this wire is good enough for a 11 meter dipole
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Old 04-29-2017, 9:49 PM
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Is this wire something you already have on hand? If so I say give it a try but I personally think 18 is too light. I would use at least 14 for wind and birds. I only use 12 AWG solid naked copper myself for a wire antenna. It is very strong against heavy winds, is somewhat flexible, and very workable with deployment. Very tough stuff, it develops a patina coat from the salty, moist air here, but underneath that coat remains the full strength and signal surface of that heavier gauge.
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Old 04-29-2017, 10:28 PM
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Quote:
Originally Posted by radiomancanada View Post
I was wondering if this wire is good enough for a 11 meter dipole
Yes.
As Ridgescan said, the smaller stuff can stretch if the winds are high enough, or well fed birds land on it. If it stretches, it changes its length and resonate frequency to a lower channel. Worst case is that it would break.

But, you can certainly try it. Make sure it gets installed in such a way that it's not under too much strain, like being tied off to a tree branch that blows around a lot. You can also try using bungee cord/shock cords on the ends as a way to let it move without breaking.
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Old 04-30-2017, 6:48 AM
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Another consideration is whether or not the feed point will be supported and what coaxial cable you use. The weight of a long run of RG-8 can cause a lot of stress. If it isn't supported, you'd probably want to use something light like RG-6 for this application.
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Old 04-30-2017, 7:39 AM
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If you can, run the end of your antenna tie rope through a pulley to a weight. The weight should be enough to keep the wire and rope straight, but allow it to sag if it gets icy, or sway in the wind if it needs to. I've done this with both of my end fed antennas. I'll go out and snap a picture of the pulley setup and add it later. Use a couple cable clamp u bolts and a wire guide to run the wire up through the eyebolt on your mount as seen here: Best way to hang the W4KGH matchbox | W4KGH Amateur Radio Antennas & Accessories This keeps the strain off the post where the wire connects.
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Old 04-30-2017, 8:43 AM
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One of my pulley systems. The longer the wire/rope, the heavier the weight.

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Old 05-03-2017, 3:40 AM
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It should work for an 11 meter dipole. If it's insulated, that would be a plus, the insulation would add to the overall strength and weight. As the others said, it might be center heavy, because of the coax, but that wouldn't affect the reception much.
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