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spence -> RE: Radar (3/6/2010 9:35:08 PM)
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SC radar was an early surface search set. It was essentially an osciliscope which showed a high point on its screen representing the range when the antenna was pointed at a reflecting target. At least in some mods the operator physically cranked the antenna around on the mast.
The SG was a tremendous improvement which had a display that most people would at least recognize as a "radar scope" (from movies and such if nowhere else). It also had a motorized antenna that rotated through 360 degrees. Unlike the SC it could provide a "God's eye view" of the ranges and relative bearings (bearings relative to own ship rather than true North) of all targets in range. It thus represented a nearly quantum improvement over the SC radar.
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