TY - BOOK AU - Spencer,Ned A. AU - Ebert,Paul M. AU - Moses,Leonard T. ED - United States. ED - U.S. Dept. of Transportation, Federal Aviation Administration, Systems Research and Development Service, TI - Assessment of the performance of an active ATCRBS mode for beacon collision avoidance U1 - 387.740426 23 PY - 1977/// CY - Washington, D.C. PB - U.S. Dept. of Transportation, Federal Aviation Administration, Systems Research and Development Service KW - Radar in navigation KW - Aids to navigation KW - Air traffic control systems KW - Collision avoidance KW - Radar beacons N1 - FAA-RD-77-151; Includes bibliographical references ER -