The development of an improved "station location" or "Z" marker antenna system
By: by J. C. Hromada and Thomas A. Kouchnerkavich, CAA experimental station, February 1941.
Contributors: Kouchnerkavich, Thomas A.
Series: U. S. Civil aeronautics administration.  Technical development report; no. 31.
Publisher: U.S. Govt. print. off.
Published: 1943
Place of publication: Washington
Language: eng
Number of pages: 24
Subjects: Radio in aeronautics.; Radio -- Antennas.
Notes: At head of title:  United States Dept. of commerce.  Jesse H. Jones, secretary.  Civil aeronautics administration.  Charles I. Stanton, administrator.