The Advanced Technology Microwave Sounder (ATMS) on board NASA's newest Earth-observing satellite, NPP, acquired its first measurements on November 8, 2011. The image shows the ATMS channel 18 data, which measures water vapor in the lower atmosphere. Tropical Storm Sean is visible in the data, as the patch of blue, in the Atlantic off the coast of the Southeastern United States. The data were processed at the NOAA Satellite Operations Facility (NSOF) in Suitland, Md.
The ATMS is one of five instruments on board the National Polar-orbiting Operational Environmental Satellite System Preparatory Project, or NPP, that launched from Vandenberg Air Force Base, Calif., on October 28. Since then, NPP has successfully completed all spacecraft commissioning activities and powered on all instruments. In the next few weeks, all instruments will be commissioned and NPP will be sending science data from the four remaining instruments by mid-December.
A passive microwave radiometer, the ATMS instrument can collect data even when it is cloudy. Paired with the Cross-track Infrared Sounder (CrIS), also aboard NPP, they will produce global sets of high-resolution temperature and moisture profiles that are used for forecasting and studying weather.
"NPP is rock solid," stated Ken Schwer, NPP project manager at NASA's Goddard Space Flight Center, Greenbelt, Md. "The satellite has performed extremely well during the checkout maneuvers and is in the expert hands of the mission operations team at NSOF."
During the commissioning activities, which were completed November 5, the NPP spacecraft subsystems were successfully tested, including command and control, propulsion and communications. NPP spacecraft and instrument data is sent from the spacecraft to the ground station in Svalbard, Norway and then to the NSOF.
In addition to the ATMS and the CrIS instruments, NPP carries 3 more state-of-the-art sensors that will provide critical infor
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| Contact: Cynthia O'Carroll cynthia.m.ocarroll@nasa.gov 240-684-0821 NASA/Goddard Space Flight Center Source:Eurekalert |
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