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EDI electron time-of-flight measurements on Equator-S
Journal article   Open access   Peer reviewed

EDI electron time-of-flight measurements on Equator-S

G Paschmann, N Sckopke, H Vaith, J. M Quinn, O. H Bauer, W Baumjohann, W Fillius, G Haerendel, S. S Kerr, C. A Kletzing, …
Annales geophysicae (1988), Vol.17(12), pp.1513-1520
1999
DOI: 10.1007/s00585-999-1513-3
url
https://doi.org/10.1007/s00585-999-1513-3View
Published (Version of record) Open Access

Abstract

We present the first electron time-of-flight measurements obtained with the Electron Drift Instrument (EDI) on Equator-S. These measurements are made possible by amplitude-modulation and coding of the emitted electron beams and correlation with the signal from the returning electrons. The purpose of the time-of-flight measurements is twofold. First, they provide the drift velocity, and thus the electric field, when the distance the electrons drift in a gyro period becomes sufficiently large. Second, they provide the gyro time of the electrons emitted by the instrument, and thus the magnitude of the ambient magnetic field, allowing in-flight calibration of the flux-gate magnetometer with high precision. Results of both applications are discussed.
Earth Sciences Ocean, Atmosphere Sciences of the Universe

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