Quote:

Originally Posted by **KJ6HYC** Assuming your statement is true. Perhaps the velosity of the wire? |

1005/freq gives you wl in free space

468/freq gives half wl with velocity factor figured in sort of.

234/freq gives 1/4wl with velocity factor figured in sort of.

Will this formula hold up everywhere in every antenna build or installation?

The answer is a big NO, but it will get you in the ball park.