The US Army Signal School apprenticeship program for the trade of radio mechanic
Series: Department of the Army pamphlet -- 621-101; DA pam -- 621-101
Publisher: Headquarters, Dept. of the Army
Published: 1981
Place of publication: Washington, DC
Language: eng
Subjects: U.S. Army Signal School -- Curricula; Radio -- United States -- Equipment and supplies -- Maintenance and repair
Notes: "This pamphlet supersedes DA Pam 621-101, 1 May 1979."

"15 July 1981."

Also available via Internet from Army web site. Address as of 4/19/06: http://www.army.mil/usapa/epubs/pdf/p621%5F101.pdf; current access available via PURL