XXXXXXXXXXXXXXXX XXXXXXXXXXX 6 April 1955 MEMORANDUM FOR: Chief, Contact Division, CO ATTENTION : Scientific Branch THROUGH : Chief, Support Staff, SI FROM : Chief, Physics and Electronics Division, SI SUBJECT : Radio Recording 1. Reference your memorandum of 17 March 1955, in respect to Case XXXXXX the tape recording enclosed therewith has been analyzed and positively indentified as a known signal of U.S. origin. 2. Your premph cooperation in securing the recording is appreciated. TODOS M. ODARENKO cc: Chief, SS/SI XXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXX
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