Also found in: Dictionary.
Related to radio guard: guard frequency
radio guard[′rād·ē·ō ‚gärd]
Ship, aircraft, or radio station designed to listen for and record transmission, and to handle traffic on a designated frequency for a certain unit or units. Also known as radio communications guard.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.