24th August 2010, 05:33 PM
(This post was last modified: 24th August 2010, 05:34 PM by Madweasels.)
It is not just the number of detectorists but the amount of time they spend detecting. I suspect that even 1% engaged in intensive nighthawking actvities would be in the field for a much longer period of time than a much greater proportion of the honest ones.