But it disrupted the UFO "airways" system and the UFO's lost their bearings, resulting in the high incidence of crop circles and UFO sightings in the area that occur to the present day as the craft try to get back on course.
PS- a former manager of the Fylingdales early warning radar sytem went on public record to say that UFO's were attracted to the place by the radar- "We were so powerful that we got radar returns off the moon...we attracted UFO's"
So it seems UFO's are curious about any kinds of transmissions of any type or wavelength including those transmitted by ancient stones.
The FlyingDales were talking about UFO's which does not exclude natural phenomena. in fact one of the most famous UFO pictures to date have come from the Flyindales, and guess what. It's not an alien spacecraft.