Modulation
While engaging in the projects within this book, we will encounter two types of radio signals. The first is an artificial radio signal, and the second is a natural radio signal. The trick is knowing which is which. We also need to know if these radio sign
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Radio and Radar Astronomy Projects for Beginners
Second Edition
The Patrick Moore
The Patrick Moore Practical Astronomy Series Series Editor Gerald R. Hubbell Mark Slade Remote Observatory, Locust Grove, VA, USA
More information about this series at http://www.springer.com/series/3192
Radio and Radar Astronomy Projects for Beginners Second Edition
Steven Arnold
Steven Arnold Mansfield, UK
ISSN 1431-9756 ISSN 2197-6562 (electronic) The Patrick Moore Practical Astronomy Series ISBN 978-3-030-54905-3 ISBN 978-3-030-54906-0 (eBook) https://doi.org/10.1007/978-3-030-54906-0 © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2014, 2021 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors, and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, expressed or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Cover image © Romko_chuk / Getty Images / iStock This Springer imprint is published by the registered company Springer Nature Switzerland AG The registered company address is: Gewerbestrasse 11, 6330 Cham, Switzerland
Dedicated to Marjorie, Kate, Minnie, and Alfie
Preface
This second edition book is divided into three parts.
Part I: The History and Science of Radio Astronomy This section now covers in much more detail the history and science of radio astronomy. It also introduces you to how things work, including receivers, antennas, and feed cables, etc. Also included are updates on the latest changes and advancements made in the field of radio astronomy.
Part II: Self-Build Tried and Tested Projects These projects were covered in the first edition but now contain updates and extra information that the reader will find useful when choosing what equipment will be suitable for different observing sites.
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Preface
art III: Radio Astronomy with a Software-Defined P Radio (SDR) This is entirely a new material showing how technology has progressed. It introduces the latest tools available to
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