> This is a very controversial subject.  Scientists have shown
> that wild bees
> build comb parallel to the magnetic resonance of the earth; and that a
> beekeeper can
> badly alter the von Frisch waggle dance of direction to a
> nectar source
> simply by
> placing a magnet on one side of a hive.

Radiant energy falls off very fast as distance increases. One way to see how
much magnetic energy is getting to your hives is to see if a simple compass
is deflected by the power lines. This is not a perfect metric but may give
you some indication.

-
"One of the best examples of pure democracy in action is the lynch mob"
- AA4YU