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David W. Cripe, NMØSARRL member David W. Cripe, NM0S, has been licensed since 1981 and holds an Extra chss license. He received a BS physics from the University of Illinois in and is employed as an electrical engineer at Rockwell Collins in Cedar Rapids, Iowa.His interests include AM and shortwave broadcast DXing, high peifonnance crystal Class E power amplifiers, niagnetics and antennas. You can reach David at Hilltop Dr, Mt Vernon, IA 52314 or at nm0s@arrl.net;
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