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Automatic Altitude Reporting

Published online by Cambridge University Press:  18 January 2010

B. W. Glover  and
W. Haddock
B. W. Glover
Affiliation:
(General Electric Company)
W. Haddock
Affiliation:
(General Electric Company)
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Abstract

This paper describes an experimental system of representing the reading on an altimeter in the form of a digital code, and controlling the standard I.C.A.O. secondary surveillance radar transponder to give a corresponding pulse pattern.

Different code arrangements are examined and their capacity noted. A possible use of the system in collision avoidance is suggested for use outside areas of close air traffic control. This use would require little additional equipment.

Type
The Prevention of Collision at Sea and in the Air by Shore-And Ground-Based Means
Information
The Journal of Navigation , Volume 15 , Issue 1 , January 1962 , pp. 91 - 98
Copyright
Copyright © The Royal Institute of Navigation 1962

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References

REFERENCES

1 International standards and recommended practices: Aeronautical Telecommunications Annex 10 to the Convention of International Civil Aviation, 10 1958, 5th edition.Google Scholar
2Terrington, D. C. (1960). Altitude telemetry in conjunction with air traffic control, British Communications and Electronics, 7, 660.Google Scholar
3Glover, B. W. (1960). Transponder altitude encoders for air traffic control, British Communications and Electronics, September, 7, 676.Google Scholar
4 Air transport equipment cases and packing Specification No. 404, 1 05 1956. Aeronautical Radio Inc., 1700 K. Street, N.W., Washington, 6, D.C.Google Scholar
5 Air traffic control transponder. Characteristic 532B. 2 12 1957. Aeronautical Radio Inc., 1700 K. Street, N.W., Washington, 6, D.C.Google Scholar