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I once threw a weight with a transformer wire and some string attached to it over a high tree branch in my yard to see if it would make a decent antenna for my SDR, it worked! It was an extremely inexpensive ~5m antenna

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My Lawyer says not to tell you a spud gun can heave a line a good height/distance if you want to make a folded dipole antenna using an old growth fir tree.

Just tie your line through a hole in a soup can and put it over the muzzle before firing a spud.

That's actually a really common lightweight SOTA[1] antenna.

[1] https://www.sota.org.uk/

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