He is an idiot looking for attention. The only reflectors left on the moon AFAIK are laser reflectors for measurement purposes. 40m will not make it to the moon and back due to absorbtion and reflection. It sounds more like a long delayed echo which happens fairly often somtime somewhere to someone.
QRZ had a discussion about this [slash]achievement[/slash] claim.
http://forums.qrz.com/showthread.php?292862-EME-Moon-Bounce-on-40-meters