National Astronomy and Ionosphere Center will be conducting a summer student internship at the Arecibo Observatory in Puerto Rico. Areas of interest are radar and radio astronomy and atmospheric sciences. Internship includes a stipend and travel costs. Undergrads who are US citizens or permanent aliens and are enrolled in a Bachelor's degree program are elligible. Also, unrestricted positions may be available for an individual who will be a first or second year graduate student during 1998-1999. Applications are available from the Office of the Director, NAIC, Cornell University, Space Science Building, Ithaca, NY 14853-6801 email: jtml@cornell.edu Application deadline: February 20, 2000