4.  
J.L. Gertz, "The ATCRBS Mode of DABS," Project Re-port ATC-65, Lincoln Laboratory (31 Jan. 1977), FAA-RD-76-39.

5.  
E.J. Kelly, "DABS Channel Management," Project Report ATC-43, Lincoln Laboratory (8 Jan. 1975), FAA-RD-74-197.

6.  
J.T. Barrows, "DABS Uplink Coding," Project Report ATC-49, Lincoln Laboratory (25 July 1975), FAA-RD-74-62.

7.  
J.T. Barrows, "DABS Downlink Coding," Project Re-port ATC-48, Lincoln Laboratory (12 Sept. 1975), FAA-RD-75-61.

8.  
J.D. Welch and P.H. Robeck, "Proposed Technical Characteristics for the Discrete Address Beacon Sys-tem (DABS)," Project Report ATC-71 , Lincoln Laboratory (30 Sept. 1977), FAA-RD-77-143.

Orlando -The Mode S Beacon Radar System
9.  
Selection Order: U.S. National Aviation Standard for the Mode Select Beacon System (Mode S), Federal Aviation Administration Order 6365.1A (3 Jan. 1983).

10.  
T.J. Goblick, "DABS Modulation and Coding Design-A Summary," Project Report ATC-52, Lincoln Labora-tory (12 Mar. 1976), FAA-RD-75-93.

11.  
J .L. Gertz, "Fundamentals of Mode S Parity Coding," Project Report ATC-]] 7, Lincoln Laboratory (2 Apr. 1984), DOT/FAA/PM-83/6.

12  RR LaFrey, J.E. Laynor, RG. Nelson, and RG. Sand-holm, "The Transportable Measurements Facility (TMF) System Description," Project Report ATe-9] , Lincoln Laboratory (23 May 1980), FAA-RD-79-111.
13.  
W.1. Wells, "Verification of DABS Sensor Surveillance Performance (ATCRBS Mode) at Typical ASR Sites throughout CONUS," Project Report ATC-79, Lincoln Laboratory (20 Dec. 1977), FAA-RD-77-113.

14.  
M. Goon and D.A. Spencer, "The Aircraft Reply and Interference Environment Simulator (ARlES): Prin-ciples of Operation," ProjectReportATC-871, Lincoln Laboratory (22 Mar. 1979), FAA-RD-78-96.

15.  
M. Goon and D.A. Spencer, "The Aircraft Reply and Interference Environment Simulator (ARlES): Appen-dices to the Principles of Operation," Lincoln Labora-tory Project Report ATC-87 2. Lincoln Laboratory (22 Mar. 1979), FAA-RD-78-96.

16.  
M. Goon and D.A. Spencer, ''The Aircraft Reply and Interference Environment Simulator (ARlES): Pro-grammer's Manual," ProjectReportATe-873. Lincoln Laboratory (22 Mar. 1979). FAA-RD-78-96.

1he Lincoln Laboralory Journal. Volume 2, Number 3 (1989)
.

Orlando -The Mode S Beacon Radar System

l,
VINCENT A. ORLANDO is currently in charge of the System Design and Evalu-ation Group at Lincoln Laboratory. where his re-search has focused on air traffic safety and capacity. Beforejoining the Laboratory 17 years ago. Vince spent 1Oyears workingon the development of military command and control systems. He received a

B.S. in electrical engineering from the University ofCincin-nati, an M.S. in statistics from Stanford University. and a Ph.D. in systems and information science from Syracuse University. A member of Tau Beta Pi and Eta Kappa Nu. Vince was the recipient of a National Science Foundation Traineeship.