Across the shortwave band, strange broadcasts still appear like ghosts - a melody, a tone, then a robotic voice reading numbers into the dark. Casual listeners hear nonsense, but for the right people ...

For more than a century, strange shortwave broadcasts have filled the air with robotic voices, eerie tones and seemingly meaningless strings of numbers. These “numbers stations” became especially ...

CINCINNATI (WXIX) - Some flights landing at CVG in early April experienced a brief moment of uncertainty when a strange broadcast went out to pilots, but that broadcast didn’t come from air traffic ...