The 305m radio telescope at the Arecibo Observatory "is the largest single-dish radio telescope on our planet and is available to the global scientific community for astronomical observation at wavelengths between 6 m and 3 m." Researchers can search WAPP data and information about past, present, and future projects at the Observatory. The extensive website provides numerous data reduction packages and file formats. Users can find extensive materials on the planetary studies, space and atmospheric science, and astronomy occurring at the observatory. Students and educators can learn about Arecibo's summer program. The News link is filled with fascinating new accomplishments, employment opportunities, and upcoming astronomy talks and seminars.