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Unformatted text preview: Frequency (C). Larger fields -> higher frequencies Proton Precession Magnetometer Advantages Dont have to align bottle with field. Fairly lightweight yet rugged. Disadvantages Cant record continuously Cant measure vector field Measurement accuracy : 0.1 to 1nT with sampling time of 0.5 to 2s. Can get 0.1 nT accuracy if we have 0.004 Hz frequency resolution....
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- Spring '09