Radios that Work for Free


Book Description




Software-Defined Radio for Engineers


Book Description

Based on the popular Artech House classic, Digital Communication Systems Engineering with Software-Defined Radio, this book provides a practical approach to quickly learning the software-defined radio (SDR) concepts needed for work in the field. This up-to-date volume guides readers on how to quickly prototype wireless designs using SDR for real-world testing and experimentation. This book explores advanced wireless communication techniques such as OFDM, LTE, WLA, and hardware targeting. Readers will gain an understanding of the core concepts behind wireless hardware, such as the radio frequency front-end, analog-to-digital and digital-to-analog converters, as well as various processing technologies. Moreover, this volume includes chapters on timing estimation, matched filtering, frame synchronization message decoding, and source coding. The orthogonal frequency division multiplexing is explained and details about HDL code generation and deployment are provided. The book concludes with coverage of the WLAN toolbox with OFDM beacon reception and the LTE toolbox with downlink reception. Multiple case studies are provided throughout the book. Both MATLAB and Simulink source code are included to assist readers with their projects in the field.




How Radio Signals Work


Book Description

Shortwave, Microwave, radars, satellites and beacons.




Broadcasting Freedom


Book Description

Among America's most unusual and successful weapons during the Cold War were Radio Free Europe and Radio Liberty. RFE-RL had its origins in a post-war America brimming with confidence and secure in its power. Unlike the Voice of America, which conveyed a distinctly American perspective on global events, RFE-RL served as surrogate home radio services and a vital alternative to the controlled, party-dominated domestic press in Eastern Europe. Over twenty stations featured programming tailored to individual countries. They reached millions of listeners ranging from industrial workers to dissident leaders such as Lech Walesa and Vaclav Havel. Broadcasting Freedom draws on rare archival material and offers a penetrating insider history of the radios that helped change the face of Europe. Arch Puddington reveals new information about the connections between RFE-RL and the CIA, which provided covert funding for the stations during the critical start-up years in the early 1950s. He relates in detail the efforts of Soviet and Eastern Bloc officials to thwart the stations; their tactics ranged from jamming attempts, assassinations of radio journalists, the infiltration of spies onto the radios' staffs, and the bombing of the radios' headquarters. Puddington addresses the controversies that engulfed the stations throughout the Cold War, most notably RFE broadcasts during the Hungarian Revolution that were described as inflammatory and irresponsible. He shows how RFE prevented the Communist authorities from establishing a monopoly on the dissemination of information in Poland and describes the crucial roles played by the stations as the Berlin Wall came down and the Soviet Union broke apart. Broadcasting Freedom is also a portrait of the Cold War in America. Puddington offers insights into the strategic thinking of the RFE-RL leadership and those in the highest circles of American government, including CIA directors, secretaries of state, and even presidents.




Radio Free Europe and Radio Liberty


Book Description

An examination of the workings of Radio Free Europe and Radio Liberty during the period in which the two broadcast organizations were covertly supported by the CIA.







Screwdriver Experts GT


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Radio Drama


Book Description

The free-standing radios of the middle decades of the 20th century were invitingly rotund and proudly displayed--nothing like today's skinny televisions hidden inside "entertainment centers." Radios were the hub of the family's after-dinner activities, and children and adults gorged themselves on western-adventure series like "The Lone Ranger," police dramas such as "Calling All Cars," and the varied offerings of "The Cavalcade of America." Shows often aired two or three times a week, and many programs were broadcast for more than a decade, comprising hundreds of episodes. This book includes more than 300 program logs (many appearing in print for the first time) drawn from newspapers, script files in broadcast museums, records from NBC, ABC and CBS, and the personal records of series directors. Each entry contains a short broadcast history that includes directors, writers, and actors, and the broadcast dates and airtimes. A comprehensive index rounds out the work.




Making a Transistor Radio


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Reality Radio


Book Description

Over the last few decades, the radio documentary has developed into a strikingly vibrant form of creative expression. Millions of listeners hear arresting, intimate storytelling from an ever-widening array of producers on programs including This American Life, StoryCorps, and Radio Lab; online through such sites as Transom, the Public Radio Exchange, Hearing Voices, and Soundprint; and through a growing collection of podcasts. Reality Radio celebrates today's best audio documentary work by bringing together some of the most influential and innovative practitioners from the United States, Canada, the United Kingdom, and Australia. In these nineteen essays, documentary artists tell--and demonstrate, through stories and transcripts--how they make radio the way they do, and why. Whether the contributors to the volume call themselves journalists, storytellers, even audio artists--and although their essays are just as diverse in content and approach--all use sound to tell true stories, artfully. Contributors: Jad Abumrad Jay Allison damali ayo John Biewen Emily Botein Chris Brookes Scott Carrier Katie Davis Sherre DeLys Lena Eckert-Erdheim Ira Glass Alan Hall Natalie Kestecher The Kitchen Sisters Maria Martin Karen Michel Rick Moody Joe Richman Dmae Roberts Stephen Smith Sandy Tolan