Plasma Wave Detector on EXOS-A

Plasma Wave Detector on EXOS-A

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MAG PWD LEMON The IMS satellite EXOS-A (1978-014A) launched into a quasipolar eccentric orbit on February 4, 1978, includes in its payload a plasma wave detector, which has one broadband channel and eleven bandpass channels covering the frequency range 400 Hz to 3 MHz Each channel is connected to an electric dipole antenna and two Faraday cups Since thc Faraday Post-Natal Formulas cup responds to electron density fluctuation only, examination of sensor dependence of the detected wave spectra allows electrostatic and electromagnetic waves to be distinguished The present note gives a gist of the EXOS-A plasma wave experiment and related instrumentation.