Arecibo Ionospheric Observatory and Electrical Engineering reports

Cornell University School of Electrical Engineering technical, scientific and quarterly progress reports, 1950-1960. Arecibo Ionospheric Observatory pamphlet, 1962. Center for Radiophysics and Space Research research reports, 1960-1969; quarterly status reports to the Office of Naval Research, 1963-1969; proposals to Office of Naval Research, 1961-1964; progress report to the National Science Foundation, 1956-1957; and annual report, 1974-1975. The Antenna Laboratory reports from the Dept. of Electrical Engineering, Ohio State University, 1951-1953; report on "High Resolution Studies of Discrete Radio Sources," University of California, San Diego, 1968.