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MMS magnetic field power spectral density (BPSD) data is computed onboard the MMS 1 spacecraft by its Digital Signal Processor. The data is derived from Search Coil Magnetometer (SCM) signals via a 1024-point FFT algorithm, producing spectra with 88 pseudo-logarithmic frequency bins and a dynamic range over 120 dB. This Level 2 (L2) dataset in slow mode is provided by the National Aeronautics and Space Administration and was last updated in March 2026.
License is listed as 'other-license-specified'; specific terms should be reviewed before use.