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
History of The Weather Channel and mobile apps for consumers to access on-demand weather content as the reason for dropping TWC and its services. The late-summer of 2015 saw the start of extensive changes to The Weather Channel's schedule and operations. First on August 24, the channel premiered "Weather Underground", a two-hour early-evening program hosted by Mike Bettes, which is co-branded with the sister website of the same name (which was purchased by The Weather Company in 2012), featuring an in-depth look at the mechanisms of weather. On September 1, Vivian Brown announced that she would be departing The Weather Channel after 29 years, having