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Polar Plasma Wave Instrument (PWI), Multichannel Analyzer - 1.3 sec resolution fields

Published by CDAWeb | National Aeronautics and Space Administration | Catalog Last Checked: August 19, 2026 at 12:31 AM | Dataset Last Updated: August 17, 2026
The PO_H0_PWI Multichannel Analyzer (MCA) CDF files provide good time resolution with relatively poor frequency resolution. An electric field measurement covers 5.6 Hz to 311 kHz in 20 channels logarithmically spaced. The magnetic field measurements cover a range from 5.6 Hz to 10 kHz in 14 channels logarithmically spaced. Reference: Gurnett, D.A. et al, The Polar plasma wave instrument, Space Science Reviews, Vol. 71, pp. 597-622, 1995. Note: The electron cyclotron frequencies are derived from the following: Fce = 0.028 kHz*B, where B is the magnitude of the ambient magnetic field measured in nT.

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