Communication satellite pioneer Harold Rosen, ex-W5JKW, of Pacific Palisades, California, died on January 30. He was 90. Inspired by the USSR’s launch of Sputnik I in 1957 that kicked off the space race in earnest, Rosen foresaw the potential for such spacecraft to do more than transmit a beacon signal. An engineer with Hughes Aircraft (later Boeing), he, Thomas Hudspeth, and Don Williams devel...
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