NHK Radio 1
NHK Radio 1, known by its callsign NHK AM, is Japan's oldest radio station operated by the public broadcaster, NHK. Its programming output, which consists of news, current affairs, and information is broadly similar to the BBC's Radio 4 in the United Kingdom, Radio National in Australia, National Public Radio in the United States, CBC Radio One in Canada, Deutschlandfunk in Germany and Radyo 1 in Turkey. NHK Radio 1 is available mainly on AM. The callsign is JOAK in Tokyo. It began broadcasting on July 12, 1925. During World War II, it often broadcast official announcements.