TY - BOOK ED - United States. TI - Frequency management engineering principles VHF/UHF/microwave link facility handbook PY - 1969///] CY - [Washington, D.C. KW - Radio frequency KW - Handbooks, manuals, etc N1 - Handbook; Apr. 30, 1969; Cover title; 4to; [Issued in looseleaf form, cancels Handbook 6050.17, July 19, 1967]; CRDP Program Historic Shelflist record; Official use. Not available ER -