RF output from Continental entering to the "J" building (see antennas). Here was switched and sent to the scheduled antenna. The upper fluorescent lit when on the line there was radiofrequency, so that the staff knew the danger on this line. It's normal that in those years with the secrecy that there was, the inhabitants of the surroundings thought it was witchcraft things. It was not known by them, that radiofrequency lighted fluorescent tubes, even the exhausted.