Weather satellite of rotation and its elliptical orbit kept it from collecting a notable amount of useful data. The Explorer VI and VII satellites also contained weather-related experiments. The first weather satellite to be considered a success was TIROS-1, launched by NASA on April 1, 1960. TIROS operated for 78 days and proved to be much more successful than Vanguard 2. TIROS paved the way for the Nimbus program, whose technology and findings are the heritage of most of the Earth-observing satellites NASA and NOAA have launched since then. Beginning with the Nimbus 3 satellite in 1969, temperature information through the tropospheric
The Weather Channel products." Similarly, references to the names are generally limited on TWC-provided forecasts seen on NBC's news programs. The Weather Channel The Weather Channel (TWC) is an American basic cable and satellite television channel owned by The Weather Group, LLC, a subsidiary of Entertainment Studios. The channel's headquarters are located in Atlanta, Georgia. Launched on May 2, 1982, the channel broadcasts weather forecasts and weather-related news and analysis, along with documentaries and entertainment programming related to weather. A sister network, Weatherscan, is a digital cable and satellite service that offers 24-hour automated local forecasts and radar imagery. The Weather Channel's former