The ARRL Extra Class License Manual, 12th EditionКНИГИ » АППАРАТУРА
Название: The ARRL Extra Class License Manual for Ham Radio, 12th Edition Автор: Ward Silver Издательство: The American Radio Relay League, Inc Год: 2020 Страниц: 496 Язык: английский Формат: pdf Размер: 17.9 MB
Go All the Way to the Top: Amateur Extra Class!
The ARRL Extra Class License Manual for Ham Radio is your ticket to every privilege granted to amateur radio operators – all frequencies, operating modes, and power levels. It has all the questions and answers, with detailed explanations, for examinations taken between July 1, 2020 and June 30, 2024. To upgrade to Amateur Extra, you must already hold a General class license (or have recently passed all of the exams required for a General license). You are holding the key to your final step up the amateur radio license ladder! With full access to the entire amateur radio frequency spectrum, you will be permitted to operate using every privilege granted to amateurs by the Federal Communications Commission.
Amateur radio or “ham radio” is one of the longest-lived wireless activities. Amateur experimenters were operating right along with Marconi in the early part of the 20th century. They have helped advance the state-of-the-art in radio, television and dozens of other communications services since then, right up to the present day. There are more than 700,000 amateur radio operators or “hams” in the United States alone and several million more around the world!
You have studied dc and ac electronics principles and the basic properties of some modern solid-state components. Now you are ready for the subject of this book, how they are used in amateur radio. The circuits include amplifiers (both low- and high-power), signal processing (such as oscillators and modulators), filters, impe?dance matching circuits, and power supplies. We can’t provide a complete treatment of every subject, but the material will help you understand the circuits sufficiently to pass your Extra class exam. If you need more background or are interested in the details of the topic, consult the references listed on the Extra Class License Manual (ECLM) website or the ARRL Technical Information Service web pages.
This guide is all you need to not only pass the exam but understand the material.You’ll study small sections at a time:
Operating Practices Rules and Regulations Electrical Principles Components and Building Blocks Electronic Circuits Radio Signals and Measurements Radio Modes and Equipment Antennas and Feed Lines Topics in Radio Propagation Safety
Use this book with ARRL Exam Review for Ham Radio online to review the material. You can even take practice exams so there's no surprises on exam day!
When you’ve successfully passed the exam, The ARRL Extra Class License Manual will serve as your reference as you explore your new privileges!
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The ARRL Extra Class License Manual, 12th Edition 
Название: The ARRL Extra Class License Manual for Ham Radio, 12th Edition
