An Introduction to Magnetometers

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Zolile Mtumela (Editor) – School of Chemistry and Physics, University of KwaZulu-Natal, Durban, South Africa
Dr. Thembinkosi Donald Malevu (Editor)

Series: Space Science, Exploration and Policies
BISAC: SCI005000

Ground magnetometer observations have played a major role in the development of space science, by remotely measuring currents that define the dynamics of the magnetosphere and Earth’s ionosphere. They have led to the identification of ionospheric currents associated with magnetic substorms and storms, as well as those associated with global compressions of the magnetosphere from interplanetary shocks and bow shock-related instabilities. Ground magnetometer observations have made it possible to track and comprehend the way reconfigurations of currents and convection are propagated globally after the magnetosphere is impacted by solar wind and/or interplanetary magnetic field dynamics. Global ground magnetometer observations provide the most fundamental and necessary context that needs to exist if any of the current and future missions are to provide new discovery science within the Near-Earth Environment. While their role as a continuous monitor and context-providing source is paramount, their continuous operation on a now-global scale provides the means for research science at the systems. The above overview of the magnetometers on space-based magnetometers are by no means intended to be complete, but is to illustrate the historic success of magnetometers and the contributions to our understanding of space physics and related fields.

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Table of Contents

Preface

Chapter 1. Fluxgate Magnetometer Data and Its Application to Space Related Studies
(Zolile Mtumela, Thembenkosi D. Malevu, Sivla W. Tafon and Olakunle Ogunjobi, School of Chemistry and Physics, University of KwaZulu-Natal, South Africa, and others)

Chapter 2. In-Orbit Calibration of Normalized Magnetometer Measurements
(Chingiz Hajiyev, Aeronautics and Astronautics Faculty, Istanbul Technical University, Istanbul, Turkey)

Chapter 3. Optimization of a Proton Precession Magnetometer Based on the Dynamic Nuclear Polarization
(Huan Liu, Haobin Dong, Jian Ge and Zheng Liu, School of Automation, China University of Geosciences, Wuhan, China)

Chapter 4. An Inductive Sensor with Direct, Digital-Readout for Non-magnetic Targets
(Richard O. Ocaya, Department of Physics, University of the Free State, Phuthaditjhaba, South Africa)

Chapter 5. SQUID Magnetometer from Fabrication to Unshielded Biomagnetism Application
(Faezeh Shanehsazzadeh, PhD, and Mehdi Fardmanesh, PhD, Department of Electrical Engineering, Sharif University of Technology, Tehran, Iran)

Chapter 6. Impacts of Magnetometers on Space-Physics Research, the Past, Present and Upcoming Missions
(Hammed Adeniyi Lawal, Physics Department, Air Force Institute of Technology, Kaduna, Nigeria)

Index

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