This work presents preliminary results on attempts to map winds of a storm at long range (500 to 1000 nmi) over a large area (105 m i 2 ) in the North Atlantic from the U. S. Naval Research Laboratory, H F radar research facilities at Chesapeake Beach,
Md.[l]It appears that the short time response of the sea surface to local winds can be mapped by the analysis of a matrix of rangeazimuth records containing frequency power spectra of HE radar signals backscattered from the sea surface via the ionosphere. This paper presents such a map based upon the ratio of the strengths of the &st-order contributions to the backscatter spectrum (the approach-recede first-order Bragg lines) and is compared qualitatively with a U. S. Weather Bureau map of the area.
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