Preliminary report on a four course ultra-high-frequency radio range
By: by J.C. Hromada, Radio Development Section ... January 1938.
Series: [United States] Civil Aeronautics Authority. Technical development report,; no. 3
Publisher: U.S. Govt. Print. Off.
Published: 1940
Place of publication: Washington
Language: eng
Subjects: Radio -- Equipment and supplies.
Notes: At head of title: Civil Aeronautics Authority ...
"Formerly Report no. 3, Safety and Planning Division, Bureau of Air Commerce, Department of Commerce; reprinted by the Civil Aeronautics Authority."