Abstract
The CHEC sounding system was developed to enable operators of air-ground links to communicate with optimum effiency. This report describes the basic system concepts, operational assumptions, and instrumentation features. Results of evaluation trials are discussed together with established calling procedures.
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References
D.R. Nielson, K.D. Felperin, D.R. Macquivey and T. Kailath, “Communications Sounding as an Aid to Frequency Management”, Final Report Phase 1, Control 50–189 prepared for D.C.A. S.R.I. Project 4554, June 1965.
G.W. Jull, “Prediction of Communication Reliability using an HF Channel Sounder”, DRTE Technical Memorandum 459, March 1966.
G.W. Jull, D.J. Doyle, G.W. Irvine and J.P. Murray, “Frequency Sounding Techniques for HF Communications over an Auroral Zone Path”, Proc. IRE 50, 7, July 1962.
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© 1968 Springer Science+Business Media New York
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Stevens, E.E. (1968). The Chec Sounding System. In: Folkestad, K. (eds) Ionospheric Radio Communications. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-5511-1_27
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DOI: https://doi.org/10.1007/978-1-4899-5511-1_27
Publisher Name: Springer, Boston, MA
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