Correspondence, statements, publications, and photos, relating to the satellite ionosphere program, a visit (1961) to Russian radio astronomy installations, the construction, dedication, and operation of the University of Illinois' radio telescope, the ionosphere-eclipse project, an international conference at Geneva (1963) on allocation of radio frequencies for space research, satellites, and radio astronomy, and ionospheric research. An addition to papers also includes materials relating to the Radio Astronomy Subcommittee of the National Science Foundation's Astronomy Survey Committee and the decision to construct the "VLA" radio telescope.