MMS 2 EDI: Ambient Electron Flux Measurements at 1024 Hz

NASA's Magnetospheric Multiscale (MMS) mission provides electron flux data from the Electron Drift Instrument (EDI) in ambient mode. The dataset likely contains high-resolution time-series measurements at a sampling rate of 1024 samples per second (0.9765625 ms), focusing on field-aligned pitch angles. Data includes beam firing directions, times-of-flight, quality indicators, and auxiliary correlator information.

Use Cases

• Analyzing high-frequency variations in ambient electron fluxes based on the 1024 Hz sampling rate.
• Studying field-aligned electron behavior in space plasmas based on the described pitch angle sampling mode.
• Calibrating or validating models of signal-to-noise ratio (SNR) detection for returning electron beams.
• Investigating magnetospheric electric field inference techniques based on the described electron drift measurement method.

Strengths

• High temporal resolution data at 1024 samples per second (0.9765625 ms).
• Data originates from NASA's Magnetospheric Multiscale mission, a reputable source.
• Instrument description details specific operational modes (electric field and ambient) and detection algorithms.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data format is BIN, which may require specialized tools for access and analysis.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Data collected by the Electron Drift Instrument (EDI) on the MMS 2 spacecraft.

Freshness

Last updated 2026-03-13 08:53:14.384069; freshness should be verified.