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"The Amateur Radio Pedestrian Mobile Handbook gives the ham radio operator who is thinking about operating a pedestrian mobile station the basics on how to get on the airwaves."--Amazon.com.
If you plan to operate a ham radio pedestrian mobile station, this is the book for you! This handbook will guide you through all phases of designing, building and operating your PM station. This is the second edition of my handbook. You will notice some changes from the first edition. The first change is in the battery chapter as most of the charging information has been deleted from that chapter. The chapter on Military Radios has also been deleted from the text. There are numerous books on this subject. I have also added a chapter on tuning your PM station and another chapter on weather and the environment. I have also included a new chapter on what most people call, "Apps." With the explosion of mobile devices in society, hams now also use their smart devices at home and most other places they visit. I've added some cool apps for use out in the great outdoors. Also look at the new chapter I added on stretching.
An ideal first step for learning about ham radio Beyond operating wirelessly, today's ham radio operators can transmit data and pictures; use the Internet, laser, and microwave transmitters; and travel to places high and low to make contact. This hands-on beginner guide reflects the operational and technical changes to amateur radio over the past decade and provides you with updated licensing requirements and information, changes in digital communication (such as the Internet, social media, and GPS), and how to use e-mail via radio. Addresses the critical use of ham radio for replacing downed traditional communications during emergencies or natural disasters Provides updates to all documentation of the American Radio Relay League Explains recent changes to picking your own call sign Places a special emphasis on the major reasons people get into amateur radio: emergency communication, digital communication, and do-it-yourself science Looks at online mapping and charting of websites Whether you're just getting turned on to ham radio or already have your license, Ham Radio for Dummies, 2nd Edition helps you with the terminology, the technology, and the talknology.
In Cory Doctorow's wildly successful Little Brother, young Marcus Yallow was arbitrarily detained and brutalized by the government in the wake of a terrorist attack on San Francisco—an experience that led him to become a leader of the whole movement of technologically clued-in teenagers, fighting back against the tyrannical security state. A few years later, California's economy collapses, but Marcus's hacktivist past lands him a job as webmaster for a crusading politician who promises reform. Soon his former nemesis Masha emerges from the political underground to gift him with a thumbdrive containing a Wikileaks-style cable-dump of hard evidence of corporate and governmental perfidy. It's incendiary stuff—and if Masha goes missing, Marcus is supposed to release it to the world. Then Marcus sees Masha being kidnapped by the same government agents who detained and tortured Marcus years earlier. Marcus can leak the archive Masha gave him—but he can't admit to being the leaker, because that will cost his employer the election. He's surrounded by friends who remember what he did a few years ago and regard him as a hacker hero. He can't even attend a demonstration without being dragged onstage and handed a mike. He's not at all sure that just dumping the archive onto the Internet, before he's gone through its millions of words, is the right thing to do. Meanwhile, people are beginning to shadow him, people who look like they're used to inflicting pain until they get the answers they want. Fast-moving, passionate, and as current as next week, Homeland is every bit the equal of Little Brother—a paean to activism, to courage, to the drive to make the world a better place. At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.
What started out as a minor Project in 1987, blew out like the national debt so with all this accumulated info, it seemed worthwhile to produce the first book, here now is the Latest Online Edition. The sources and references have been many and varied and although the utmost care was taken, the Lists are far from complete and may contain errors. The original Codes etc were designed principally for marine use as this was the field in which radio was initially developed. The majority retain this influence but many have been modified and modernized to cover land and air applications. Technical terms have also varied as technology has changed however most abbreviations of the computer age have been omitted. These are specialist terms of that mode, not often encountered in telegraphy.
Understanding radio communications systems unlocks a new way to look at the world and the radio waves that connect it. Through easy-to-understand instruction and a variety of hands-on projects, this book gives the reader an intuitive understanding of how radio waves propagate, how information is encoded in radio waves, and how radio communications networks are constructed. This book also focuses on the world of amateur, or “ham,” radio, a global network of hobbyists that experiment and communicate with radio waves. The reader can learn what amateur radio is, how one can obtain an amateur radio license, and how various pieces of amateur radio hardware work. Rather than overwhelm with formulas and numerical approaches, this book presents an easy-to-follow qualitative approach to the theory aspects of radio—perfect for those with little to no knowledge of electromagnetism, signal processing, or hardware development. Instead, instruction focuses on hands-on learning. Radio waves are easy and inexpensive to manipulate with modern hardware, so the examples throughout this text provide ample opportunity to develop an understanding of such hardware. A special focus is given to applications of radio communications in the modern world. In every chapter, the reader gains new insight into different radio communications systems and the hardware and software that makes it all possible. Projects include using a software-defined radio to download live images of the Earth from weather satellites, Arduino-based digital radio communications networks, making amateur radio contacts, and more. What You’ll Learn: · Encode information in radio waves · Obtain an amateur radio license · Use important pieces of radio communications hardware, such as antennas, handheld transceivers, software-defined radios, radio repeaters, and more Who This Book Is For Anyone interested in modern communications, from high school and college students pursuining STEM to professionals looking to broaden their understandings of radio
A hostage rescue specialist is on the trail of a homegrown terrorist organization in this thriller by the New York Times bestselling author. When a cult-like paramilitary group decides to make its deadly presence known, the first victims are random. Ordinary citizens going about their lives in Washington, D.C., are suddenly fired upon at rush hour by unseen assassins. Caught in the crossfire of one of the attacks, rescue specialist Jonathan Grave spies a gunman getting away—with a mother and her young son as hostages. To free them, Grave and his Security Solutions team must enter the dark heart of a nationwide conspiracy. But their search goes beyond the frenzied schemes of a madman's deadly ambitions. This time, it reaches all the way to the highest levels of power…