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Date: 2011-11-08 15:19:42United Kingdom Henry G. Booker J. A. Ratcliffe William E. Gordon Radio propagation Ionosphere Telecommunications Research Establishment Edward Victor Appleton Surface wave Fellows of the Royal Society Science and technology in the United Kingdom Science | Add to Reading ListSource URL: www.nasonline.orgDownload Document from Source WebsiteFile Size: 144,11 KBShare Document on Facebook |