What is Numbers station?
[[File:Sprach-Morse-Generator.jpg|thumb|Speech/Morse generator such as this one are used to generate the broadcasts.]] A '''Numbers station''' is a kind of [[shortwave]] [[radio station]] with unusual [[wikt:broadcast|broadcasts]]: very often, these broadcasts consist of numbers that are read by computer-generated voices. Several of these stations exist, numbers are read in different languages. Some stations have operated for a period of more than ten years, using the same [[radio frequency|frequency]]. The purpose of the stations is unknown, along with who operates them. One supposition is that governments use them to communicate with secret agents or [[spy|spies]]. As receiving the messages is relatively simple, the agent only needs a world radio receiver. {{stub}} [[Category:Radio stations]]