Join radio amateur civil emergency service.
Series: L-87
Publisher: [Dept. of Defense], Defense Civil Preparedness Agency
Published: 1978
Place of publication: Washington
Language: eng
Subjects: Emergency communication systems -- United States.; Natural disaster warning systems -- United States.; Amateur radio stations -- United States.; Civil defense warning systems -- United States.
Notes: "Supersedes L-87, Nov. 1974, which will not be used".

April 1978.