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W3 and W1 in Hokkaido (Japan) and the Aleutians (US) are referenced elsewhere as US LORAN, not Soviet Chayka. Any details on how the Russian system ended up including transmitters in Japan and the US? Spamhog (talk) 15:51, 24 January 2022 (UTC)[reply]

A sound of the signal in an AM receiver capable of receiving its frequency