The thread name got me thinking. Those of us who work in radio and electronics don't really have any clear evidence of 'ghostly influences' - unless someone can show me otherwise. Decades ago I thought research into EVP and transcommunication would reveal something useful. But it never did. New researchers repeat old work and try to develop new EVP techniques, but get nowhere and drift away, only to be replaced by other hopeful researchers who also get nowhere, and the process repeats. Neither do I think the unconvincing EVP recordings 'enhanced' using programs like Audacity lend the subject any credibility. What's the latest trend? Oh yes, K2 meters, the Parascope and the Ghost Box (AKA Frank's Box) - is this really the best 21st paranormal research can do?
Radio communications can now detect coherent signals 30dB below the noise. We have all manner of extremely sensitive measuring equipment, and I would have thought someone, somewhere would have picked up repeatable anomalous unexplainable signals. But no, not a sausage.