It might be useful to look at data regarding the frequencies of EM emissions from unusual aircraft. The following document exists. I don’t have the document or any other information about it. Maybe someone has it, or knows a way to get it. , by C.R. Berndston, MIT Lincoln Laboratories, Contract # F19628-73-C-0002 There is some sketchy information about EM emissions in the Handbook of Ufology, pages 106-109. Two cases are described: The first case is a UFO sighted by an Air Force B-47 over the Gulf of Mexico in 1957 and documented in the Condon Report. The UFO was reported by the pilot to be as “big as a barn” with a “steady red glow”, flying at “speeds far greater than an airplane”. […] Read More