Scott, Good question. The most powerful radio on the Pacific Coast in 1941-1942 was located just one mile south of the Nazi radio site. During the attack on Pearl Harbor, this was the only radio station powerful enough to pick up the signal from Hawaii. They also had a radio and sound laboratory that sent constant transmissions, micro waves, radar and even X-ray transmissions during the entire war. There was an OSS code school that also sent signals. On the other end of the spy spectrum, there would have been a lot of transmissions to pick up. Sorting all that out could have been a mess. Maybe the guy had the set to simply receive data that he passed on to agents at the local laundry? Ron