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The Tiros program (Television and InfraRed Observation Satellite) of weather satellites launched by the United States included the first weather satellite, Tiros 1. They used vidicon television cameras to monitor cloud cover patterns.
- Tiros 1 - launched April 1 1960, suffered electrical system failure on June 15 1960
- Tiros 2 - launched November 23 1960, failed January 22 1961
- Tiros 3 - launched July 12 1961, deactivated February 28 1962
- Tiros 4 - launched February 8 1962, failed on June 30 1962 (both cameras failed earlier)
- Tiros 5 - launched June 19 1962, failed on May 13 1963
- Tiros 6 - launched September 18 1962, failed October 21 1963
- Tiros 7 - launched June 19 1963, deactivated June 3 1968
- Tiros 8 - launched December 21 1963, deactivated July 1 1967
- Tiros 9 - launched January 1 1965, failed February 15 1967. First Tiros satellite in near-polar orbit
- Tiros 10 - launched July 2 1965, deactivated July 31 1966
