Radio operator's license Q and A manual.
Edition: 6th ed, [with Suppl. no. 1]
Series: [A Rider publication]; no. 130
Publisher: J. F. Rider Publisher
Published: 1961
Place of publication: New York
Language: eng
Number of pages: 720
Subjects: Radio -- Examinations, questions, etc.; Radio operators -- United States.; Radiotelephone -- Examinations, questions, etc.