The map was compiled from observations by the Atmospheric Infrared Sounder (AIRS) and the Advanced Microwave Sounding Unit (AMSU-A) on NASA's Aqua satellite.
MTG adds a second platform: a soundingsatellite (above) to see the layers in the atmosphere.
l MTG增设了第二平台：一个探测卫星(在上方)观测大气中的分层。
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The essentiality and science value of studying on Atmospheric Sounding Interferometer were put forward that is one of most important infrared remote sensing payload on numerical weather satellite.