VK6VZ:
>The 40m inverted vee here is actually made of PVC-covered soft-drawn copper
>wire (so if it gets tangled up with the 160m one, it doesn't stop working).
>This wire tends to stretch by an inch or so over the course of a year
>owing to wind movement/tension.
You can convert soft-drawn copper to hard-drawn. Tie one end of the copper
wire to something secure. Get a good grip on the other end and just lean
most of your body weight against it (or use some other technique to apply
about 75-100 kg of force). The wire will stretch and harden. Once you've
done this, it won't stretch anymore.
-- Eric R3/K3NA
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