Digital Data Broadcast System
Digital Data Broadcast System[‚dij·əd·əl ′dad·ə ′brȯd‚kast ‚sis·təm]
A system that will provide information aiding air-traffic control; digital data to aircraft over vortac channels will carry information on the geographic location, elevation, magnetic variation, and related data of the vortac station being received. Abbreviated DDBS.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.