60 years, MSEE, 15 years as University Teacher, 10years in Computer business, teen years in calibration/precision measurements. Own laboratory with 1...5ppm (0.0001%...0.0005%) Vdc, R uncertainty. Temperature calibration/measurement 0'C..100'C +-0.05'C.
Glider pilot, energy saving enthusiast (windmills, water power plants, heat pumps).
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