Has your AM radio band been full of static, faint signals, and what seems like adjacent-station interference lately? It isn’t your radio folks, but signals transmitted from earth — back in the 1930s. Modern civilization’s radio transmissions are now beginning to bounce back to earth, causing interference to existing stations which are on the same frequency the signals were sent some 84 years ago. Some of these signals however are being heard clearly, as if they were live. Radio listeners all…