The Arrl Ham Radio License Manual Spiral

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American Sign Language (Enhanced)

American Sign Language (Enhanced) Pdf/ePub eBook Author:
Editor: Simon and Schuster
ISBN: 1607104997
FileSize: 515kb
File Format: Pdf
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American Sign Language (Enhanced) by Summary

Learning a new language is easier than you think! This informative book teaches you the basics of American Sign Language. It's the third most used language in the United States--and yet it's “spoken” without even opening your mouth! It's estimated that as many as two million Americans speak American Sign Language, a method of communication that's both fun and useful, even if you or your friends and family are not hearing impaired. American Sign Language uses simple-to-follow photographs to teach you the alphabet, numbers, and simple words and phrases. Divided into categories such as Animals and People and Pronouns, the book and accompanying flashcards show you how to use your hands to communicate. Once you've learned the alphabet, you'll build on that knowledge to learn the words for “friend” and “family.” And when you how the words for “chicken” and “cat” evoke a chicken opening and closing its beak and a cat stroking its whiskers, you'll truly understand how intuitive and enjoyable learning American Sign Language can be. Learning a new language is always a rewarding endeavor--and with American Sign Language, it's easier than ever!

Practical Antenna Handbook 5/e

Practical Antenna Handbook 5/e Pdf/ePub eBook Author: Joseph Carr,George Hippisley
Editor: McGraw Hill Professional
ISBN: 0071639594
FileSize: 478kb
File Format: Pdf
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Practical Antenna Handbook 5/e by Joseph Carr,George Hippisley Summary

THE DEFINITIVE ANTENNA REFERENCE--FULLY REVISED AND EXPANDED! Design and build your own antennas with the help of this unique guide. Updated and revised to provide clear answers to questions frequently asked by hobbyists and electronics technicians, Practical Antenna Handbook, Fifth Edition blends theoretical concepts with hands-on experience--requiring only high school mathematics Reorganized to flow logically from broad physical principles to specific antenna design and construction techniques, the book begins by covering the fundamentals. Then the half-wave dipole is discussed both as an excellent antenna in its own right and as a conceptual tool for predicting the performance of other designs. Transmission line impedance matching techniques--and a companion Smith chart tutorial--lead into "must have" accessories for tuning, monitoring, and troubleshooting antenna system performance. Other tools, such as antenna modeling software and network analyzer add-ons for PCs and Macs, are addressed, and concluding chapters offer fresh insights into support structures and installation techniques. NEW TOPICS COVERED INCLUDE: Characteristics of all-driven and parasitic arrays Beverages and small MF/HF receiving loops Top-loaded shunt-fed towers and other verticals Theory and design of Yagi beams Effect of real ground on propagation and antenna patterns, impedance, and efficiency Lightning protection and four kinds of ground systems Zoning and restrictive covenants COVERS A WIDE VARIETY OF ANTENNAS: Dipoles and inverted-Vs Quads, delta, and NVIS loops Wire arrays (bobtail curtain, half-square, rhombic) Verticals and shunt-fed towers Rotatable Yagi beams MF/HF receiving antennas (flag, pennant, K9AY, Beverage) Mobile and portable antennas VHF/UHF/microwave antennas And many more GO TO WWW.MHPROFESSIONAL.COM/CARR5 FOR: * Tables of worldwide geographic coordinates and antenna dimensions vs. frequency * Supplier updates * Author's blog * Additional photographs and schematics * Links to tutorials and specialized calculators

Build Your Own Electronics Workshop

Build Your Own Electronics Workshop Pdf/ePub eBook Author: Thomas Petruzzellis
Editor: McGraw Hill Professional
ISBN: 0071709134
FileSize: 1652kb
File Format: Pdf
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Build Your Own Electronics Workshop by Thomas Petruzzellis Summary

Whether electronics is a hobby or an avocation, this resource covers everything you need to know to create a personal electronic workbench. The author includes essential yet difficult to find information such as whether to buy or build test equipment, how to solder, how to make circuit boards, how to troubleshoot, how to test components and systems, and how to build your own test equipment. Building on a budget Sources for equipment

Ham Radio For Dummies

Ham Radio For Dummies Pdf/ePub eBook Author: H. Ward Silver
Editor: John Wiley & Sons
ISBN: 1119695619
FileSize: 580kb
File Format: Pdf
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Ham Radio For Dummies by H. Ward Silver Summary

Respond to the call of ham radio Despite its old-school reputation, amateur radio is on the rise, and the airwaves are busier than ever. That’s no surprise: being a ham is a lot of fun, providing an independent way to keep in touch with friends, family, and new acquaintances around the world—and even beyond with its ability to connect with the International Space Station! Hams are also good in a crisis, keeping communications alive and crackling during extreme weather events and loss of communications until regular systems like cell phones and the internet are restored. Additionally, it’s enjoyable for good, old-fashioned tech geek reasons—fiddling with circuits and bouncing signals off the ionosphere just happens to give a lot of us a buzz! If one or more of these benefits is of interest to you, then good news: the new edition of Ham Radio For Dummies covers them all! In his signature friendly style, longtime ham Ward Silver (Call Sign NØAX)—contributing editor with the American Radio Relay League—patches you in on everything from getting the right equipment and building your station (it doesn’t have to be expensive) to the intricacies of Morse code and Ohm’s law. In addition, he coaches you on how to prepare for the FCC-mandated licensing exam and tunes you up for ultimate glory in the ham radio hall of fame as a Radiosport competitor! With this book, you’ll learn to: Set up and organize your station Communicate with people around the world Prep for and pass the FCC exam Tune into the latest tech, such as digital mode operating Whether you’re looking to join a public service club or want the latest tips on the cutting edge of ham technology, this is the perfect reference for newbies and experts alike—and will keep you happily hamming it up for years!

Rebels on the Air

Rebels on the Air Pdf/ePub eBook Author: Jesse Walker
Editor: NYU Press
ISBN: 0814784771
FileSize: 1877kb
File Format: Pdf
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Rebels on the Air by Jesse Walker Summary

Boring DJs who never shut up, and who don't even pick their own records. The same hits, over and over. A constant stream of annoying commercials. How did radio get so dull? Not by accident, contends journalist and historian Jesse Walker. For decades, government and big business have colluded to monopolize the airwaves, stamping out competition, reducing variety, and silencing dissident voices. And yet, in the face of such pressure, an alternative radio tradition has tenaciously survived. Rebels on the Air explores these overlooked chapters in American radio, revealing the legal barriers established broadcasters have erected to ensure their dominance. Using lively anecdotes drawn from firsthand interviews, Walker chronicles the story of the unsung heroes of American radio who, despite those barriers, carved out spaces for themselves in the spectrum, sometimes legally and sometimes not. Walker's engaging, meticulous account is the first comprehensive history of alternative radio in the United States. From the unlicensed amateurs who invented broadcasting to the community radio movement of the 1960s and 1970s, from the early days of FM to today's micro radio movement, Walker lays bare the hidden history of broadcasting. Above all, Rebels on the Air is the story of the pirate broadcasters who shook up radio in the 1990sand of the new sorts of radio we can expect in the next century, as the microbroadcasters crossbreed with the even newer field of Internet broadcasting.

Molecules

Molecules Pdf/ePub eBook Author: Theodore Gray
Editor: Black Dog & Leventhal
ISBN: 0316392839
FileSize: 748kb
File Format: Pdf
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Molecules by Theodore Gray Summary

In his highly anticipated sequel to The Elements, Theodore Gray demonstrates how the elements of the periodic table combine to form the molecules that make up our world. Everything physical is made up of the elements and the infinite variety of molecules they form when they combine with each other. In Molecules, Theodore Gray takes the next step in the grand story that began with the periodic table in his best-selling book, The Elements: A Visual Exploration of Every Known Atom in the Universe. Here, he explores through fascinating stories and trademark stunning photography the most interesting, essential, useful, and beautiful of the millions of chemical structures that make up every material in the world. Gray begins with an explanation of how atoms bond to form molecules and compounds, as well as the difference between organic and inorganic chemistry. He then goes on to explore the vast array of materials molecules can create, including: soaps and solvents; goops and oils; rocks and ores; ropes and fibers; painkillers and dangerous drugs; sweeteners; perfumes and stink bombs; colors and pigments; and controversial compounds including asbestos, CFCs, and thimerosal. Big, gorgeous photographs, as well as diagrams of the compounds and their chemical bonds, rendered with never before seen beauty, fill the pages and capture molecules in their various states. As he did in The Elements, Gray shows us molecules as we've never seen them before. It's the perfect book for his loyal fans who've been eager for more and for anyone fascinated with the mysteries of the material world.

Star Finder!

Star Finder! Pdf/ePub eBook Author: DK
Editor: Penguin
ISBN: 0744042054
FileSize: 1327kb
File Format: Pdf
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Star Finder! by DK Summary

Turn your eyes to the skies for this starry-eyed spectacular! Take this practical page-turner on your out-of-this-world adventure to experience cosmic wonders, key constellations, and intergalactic information. Includes crystal-clear visuals, easy-to-read maps, and top tips, you'll have no problems navigating the starry night with this indispensable guide. Discover the most important constellations visible in the Northern Hemisphere, read the amazing stories behind each constellation, recognize the constellations of the zodiac, and experience the Milky Way as never before. Learn how to spot planets, galaxies, and nebulas in our Universe, as mind-blowing patterns in the sky are revealed in unprecedented detail. Star Finder! is the complete guide for aspiring astronomers and rising stars everywhere.

Arduino Projects for Amateur Radio

Arduino Projects for Amateur Radio Pdf/ePub eBook Author: Jack Purdum,Dennis Kidder
Editor: McGraw Hill Professional
ISBN: 0071834060
FileSize: 1405kb
File Format: Pdf
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Arduino Projects for Amateur Radio by Jack Purdum,Dennis Kidder Summary

BOOST YOUR HAM RADIO'S CAPABILITIES USING LOW-COST ARDUINO MICROCONTROLLER BOARDS! Do you want to increase the functionality and value of your ham radio without spending a lot of money? This book will show you how! Arduino Projects for Amateur Radio is filled with step-by-step microcontroller projects you can accomplish on your own--no programming experience necessary. After getting you set up on an Arduino board, veteran ham radio operators Jack Purdum (W8TEE) and Dennis Kidder (W6DQ) start with a simple LCD display and move up to projects that can add hundreds of dollars' worth of upgrades to existing equipment. This practical guide provides detailed instructions, helpful diagrams, lists of low-cost parts and suppliers, and hardware and software tips that make building your own equipment even more enjoyable. Downloadable code for all of the projects in the book is also available. Do-it-yourself projects include: LCD shield Station timer General purpose panel meter Dummy load and watt meter CW automatic keyer Morse code decoder PS2 keyboard CW encoder Universal relay shield Flexible sequencer Rotator controller Directional watt and SWR meter Simple frequency counter DDS VFO Portable solar power source