UCAR began demonstrating the potential of using radio occultation to sound Earth's atmosphere in the GPS/MET experiment from 1995 to 1997. COSMIC has since built on GPS/MET and subsequent radio occultation missions to produce real-time soundings that are tested for their application to operational weather prediction models. The GPS/MET experiment produced over 80 technical reports and scientific journal publications by May 2000. While not all of these papers and reports actually use GPS/MET data, they cover a wide range of topics ranging from measurement techniques, retrieval algorithms, and verification studies to data assimilation and impact assessment. This body of papers is a valuable resource for those interested in learning about the science and technology of radio occultation.