Ground-based radio wave propagation studies of the lower ionosphere. Proceedings of a conference held 11 to 15 April, 1966 at Defence Research Telecommunications Establishment, Radio Physics Laboratory, Shirley Bay, Ottawa, Ontario, Canada. Compiled by J. S. Belrose, I. A. Bourne and L. W. Hewitt.
"Sponsored by Defence Research Telecommunications Establishment ... and Air Force Cambridge Research Laboratories."Issued by Defence Research Board, D...