Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...
Abstract: High-sensitivity operation of radio frequency atomic magnetometers (AMs) in unshielded environment requires compensation of low-frequency fluctuations of the ambient magnetic field. Here, we ...
Abstract: We propose a magnetic particle imaging (MPI) scanner using an optically pumped magnetometer (OPM) that is connected via a flux transformer. The OPM has high sensitivity, but it cannot ...
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