Originally Posted by
marvelous
.. You must first locate the hop then if it is centered over a single spoke you must tighten the spoke and then loosen the two spokes on either side ...
Admittedly, it's been some time since I had to do radial trueing. But it sounds like either you're running really low spoke count wheels or you're dealing with some mighty small hops if the influenced part only stretch across 3 spokes.
Originally Posted by
marvelous
...If it is centered over two spokes tighten both of them and loosen the two spokes on either side ...
Better, but still sounds too localized to me.