Hi Stef Caunter here The RG message board confirmation email is broken so I m posting here I m the 80s manager did the incorporation and AM licence all the setup to allow the progression back to FM We need to get Lysaght to post here but I can t find an email for him He was the 60s 70s guy and will know what happened to the original FM setup No FM gear existed at all from 1985 on and I knew every inch of the mansion and physical plant The only gear was the carrier current setup I too have heard about the FM signal story but it was in the 70s in my version Basically we don t know But it never happened in 1988 impossible Anyway google me and find my email address