On July 1, 1958, CBC's television signal was extended from coast to coast. The first Canadian television show shot in colour was the CBC's own "The Forest Rangers" in 1963. Colour television broadcasts commenced on July 1, 1966, and full-colour service began in 1974. In 1978, CBC became the first broadcaster in the world to use an orbiting satellite for television service, linking Canada "from east to west to north". The mission of CBC is contribution to the "moral economy of the nation".