Instructions for the operation and calibration of direction-finder equipment
Subtitle: (Reprint of chapter 30 of the Manual of engineering instructions) (Revised January 1934) (Reprinted February 1939) ...
Publisher: U.S. Govt. Print. Off.
Published: 1939
Place of publication: Washington
Language: eng
Number of pages: 37
Subjects: Radio; Receivers and reception; Radio in navigation