WVC 37 A- 1 - 4
§37A-1-4. Applicability of article to existing equipment.
Nothing in this article shall be construed to render
unlawful the continued operation of electrical equipment within a
ten-mile radius of a radio astronomy site if such equipment
existed within such distance of such site previous to the
commencement of operation of such radio astronomy facility; or if
such equipment is intended as a replacement for such existing