March 1970 | Technical Memorandum ERL TM ITS 233
Instrumentation for observing HF sea scatter
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James M. Watts, “Instrumentation for observing HF sea scatter ,” Technical Memorandum ERL TM ITS 233, U.S. Department of Commerce, Environmental Science Services Administration, Institute for Telecommunication Sciences and Aeronomy, March 1970.
Abstract: This paper describes instrumentation for recording digitally the relative phase and amplitude of MF and HF radio signals backscattered from ocean waves. Eight stepped frequencies, two spaced receiving antennas, and four different ranges are used. The coherent system allows spectra and correlations to be calculated by a general purpose computer.
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