Provisional message formats for the DABS/NAS interface.
Contributors: United States. Federal Aviation Administration. Systems Research and Development Service.
Edition: Rev. 2.
Publisher: U.S. Dept. of Transportation, Federal Aviation Administration, Systems Research & Development Service; National Technical Information Service [distributor
Published: 1979
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Number of pages: 38
Subjects: Radar air traffic control systems.; Surveillance radar.; Airports -- United States -- Traffic control.; Interface circuits.
Notes: Cover title.

Supersedes FAA-RD-74-63A (rev. 1) dated Oct. 10, 1974.

"Final report."

"April 1979."

"Report no. FAA-RD-74-63B."

"ATC-33."

Includes bibliographical references.