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Theses/Dissertations

Utah State University

Electrical and Computer Engineering

2007

Ionosphere

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Langmuir Probe Measurements In The Ionosphere, Aroh Barjatya May 2007

Langmuir Probe Measurements In The Ionosphere, Aroh Barjatya

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Electric probes have been the primary instruments for the in situ investigation of plasma parameters in the Earth’s ionosphere. This dissertation is a compendium of three papers, each dealing with a separate spacecraft that carried one or more instruments based on the electric probe technique.

The first paper presents data from the Sudden Atom Layer sounding rocket that carried an RF Impedance Probe, a DC fixed-bias Langmuir Probe (DCP), and an Electric Field Probe. The combined dataset indicates a case of payload surface charging, the causes of which are investigated within the paper. A generic circuit model is developed to …