Its operational issues came from a reported loss of lubricant in its scan motor for the AVHRR imaging sensor. As of 2020, the NOAA-15 satellite serves as the secondary AM satellite to NOAA-20, the latest generation of POES. However, the unit, as of 2018, was still fully operational and was a well-known delivery point for civilian receiving stations. During this time, it was moved from the GOES West position in the winter-where it covered part of the Pacific Ocean and the west coast of North America-to the GOES East position in the summer and fall, where it watched the East Coast during hurricane season.Ī part of the TIROS series of satellites provided by NASA, NOAA-15 was launched by NOAA in May 1998 with an original operational time of two years. GOES-7 thus served as the sole geostationary spacecraft from 1989 to 1994. However, as with the previous satellites, the imager and sounder still shared the same optics system, which meant the instruments had to take turns.įun fact: GOES-7 was the only satellite in the history of NOAA’s geostationary satellite program to serve as both the GOES East and GOES West spacecraft in the course of normal operations after its predecessor, GOES-6, failed. This added dimension gave forecasters a more accurate picture of the intensity and extent of storms, and allowed them to better monitor rapidly changing events and make more accurate predictions. While still spin-stabilized, these GOES satellites had the capability to obtain vertical profiles of temperature and moisture throughout the various layers of the atmosphere.
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