University Corp. for Atmospheric Research's Global Positioning System-Meteorology (GPS-MET) project involves the use of radio occultation to acquire accurate and high-resolution meteorological data. Results obtained by the low-earth orbit satellite MicroLab 1, which was launched in Apr. 3, 1995, ... Show moreUniversity Corp. for Atmospheric Research's Global Positioning System-Meteorology (GPS-MET) project involves the use of radio occultation to acquire accurate and high-resolution meteorological data. Results obtained by the low-earth orbit satellite MicroLab 1, which was launched in Apr. 3, 1995, show that radio occultation can be applied to generate refractivity profiles. Temperature and water vapor profiles can also be utilized for weather and climate change prediction. Show less