I was too young to know what it was. He had some big dish antennas that he was always futzing with, and I'm sure he was using one of those, but I presume it wa

I was too young to know what it was. He had some big dish antennas that he was always futzing with, and I'm sure he was using one of those, but I presume it was some kind of relay signal. Unfortunately I'm not a radio guy.