In 1980, NASA added a geostationary temperature and moisture sounding capability to the NOAA Visible Infrared Spin-Scan Radiometer (VISSR), resulting in the VISSR Atmospheric Sounder (VAS). Research and operational agencies collaborated to demonstrate the utility of time-continuous soundings as part of the Operational Satellite Improvement Program (OSIP). The VAS demonstration consisted of 79.5 days of demonstration of geosounding wherein a NOAA principal investigator led the science experiments conducted by university and government scientists and the program was supported by NASA funding. The demonstration was extended when NOAA made VAS soundings routine. OSIP made possible the introduction of geostationary soundings and paved the way for operational implementation on subsequent GOES satellites. This is an example of fulfilling the need of operational agencies to evolve their systems after demonstration of possible replacement options by research agencies.
Satellite Meteorology An Introduction Pdf Download
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