Papers for the meeting of the Radio Astronomy Planning Committee of the Department of Scientific and Industrial Research at State House, London, on 15 May 1963. The documents include minutes and matters arising from the third meeting of the committee on 22 June 1962; a draft report of the committee; Dr J.S. Hey, 'Summary of a Survey Paper on Radio Telescopes'; copies of two items of correspondence between the Minister of Finance, Northern Ireland, and the Lord President of the Council concerning Northern Ireland as a potential site for a radio observatory; and 'Establishment of panel to consider organization and funding of astronomy in the United States'.