Standards of good engieering practice concerning standard broadcast stations (550-1600 kc.)
Subtitle: Effective August 1, 1939
Edition: Rev. to July 20, 1940].
Publisher: U.S. Govt. Print. off.
Published: 1940
Place of publication: Washington
Language: eng
Number of pages: 94
Subjects: Radio stations; Radio; Law and legislation; Radio broadcasting
Notes: Cover title.