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The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy". Later radio history increasingly involves matters of broadcasting.
It took years of experimentation, refinement and technological advances for radio broadcasting to evolve into the mass medium that kept America informed and entertained in the thirties and beyond. Let’s take a look at what radio broadcasting was like when it all began. BROADCASTING IS FIRST ENVISIONED:
The Digital Revolution. The latter half of the 20th century saw further advancements in broadcasting technology, including the transition from analog to digital transmission. Digital broadcasting offered improved audio and video quality, as well as greater efficiency in spectrum usage. The rise of cable and satellite television in the 1980s and ...
- Early Development of Technology
- The First Wireless Regulations
- Public Embrace of Radio
- Regulation of Radio
- Development of Radio Networks
- Golden Age of Radio Programming
- The Invention of FM Radio
- Local Radio Develops
- The Decline of Am Radio and The Rise of FM Radio
- Radio in 2000 and Beyond
In the 1890s, four inventors simultaneously worked on wireless transmission and detection. French physicist Edouard Branly invented a signal detector called a "coherer" that consisted of a glass tube filled with metal filings that reacted when a signal was detected. English physicist Oliver Lodge worked on the principle of resonance tuning, which a...
After wireless was credited with averting several maritime disasters, the U.S. Congress passed the Wireless Ship Act of 1910 to regulate broadcasting. The act required ocean-going vessels with fifty or more passengers and crewmembers to carry a wireless system operated by a skilled person. The legislation was put to the test when the Titanic sank o...
The name for wireless evolved along with the technology. Known first as the "wireless telegraph," it transitioned to "radiotelegraphy" and "radiotelephony" (transmission of the human voice). The term was shortened to "radio" around 1912. The word "broadcast" was borrowed from agriculture and referred to the practice of planting seeds by scattering ...
Station and operator licensing was intended to provide monitored growth of radio, but the U.S. government failed to realize how quickly radio would grow. By the end of 1922, 690 licenses had been assigned to stations airing entertainment and information. These stations occupied one of two frequencies, 360 meters (833 kHz) or 400 meters (750 kHz). B...
AT&T started station WEAF in New York City in 1922 as part of a national "toll" broadcastingservice. AT&T was the first station owner to recognize the potential of advertising sales to pay for the operation of radio. The first reported radio advertisement, for an apartment complex in New York, aired on WEAF in 1922. It cost $100. Antitrust concerns...
Congress passed the Communications Act of 1934 to create the Federal Communications Commission(FCC) to supervise wired and wireless communication and to replace the FRC. By 1935, the U.S. Department of Commerce estimated that radio broadcasts served 18.5 million families, or more than 50 million people. Approximately 60 percent of all homes in the ...
The prospect of creating an additional radio service, using frequency modulation (FM), was barely an issue until the late 1930s. Prior to that point, all radio transmissions had been based on amplitude modulation (AM). FM service might have died for lack of support but for the dogged determination of Armstrong, who began work to eliminate static in...
More than fifty million AM receivers were manufactured between 1946 and 1948. As radio set prices dropped, the multiset household developed. Radios spread from the living room to the kitchen and bedroom. The growth of television drew programming and audiences from radio, but radio survived by adopting the all-music format and shifting to a heavier ...
The Top 40 format helped reposition radio, but it also created a group of similar-sounding stations. AM stations aired similar music and jingles, played loud and lengthy sets of commercials, and generally had poor fidelity (i.e., sound quality). Attention thus shifted to FM radio during the 1960s. Besides the obvious availability of FM channels, op...
By the year 2000, approximately 85 percent of all radio listeners were tuning to FM stations. The question, however, now may be whether AM radio and possibly FM radio are simply transitional delivery technologies. Already, broadcasters are investigating (and investing in) digital terrestrial broadcasting that could eventually replace the traditiona...
Radio broadcasting is the broadcasting of audio ... began broadcasting from his Wilkinsburg, ... like the former Soviet Union, uses 65.9 to 74 MHz frequencies in ...
Oct 1, 2024 · The 1920s Boom and Radio Act of 1927. Radio took off in the 1920s. The first commercial radio station, KDKA, began broadcasting in Pittsburgh in 1920. Soon, radio stations popped up across the country. As the airwaves got crowded, the government stepped in. The Radio Act of 1927 created the Federal Radio Commission.
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The Evolution of Radio. Radio news made its appearance in the 1920s. The National Broadcasting Company (NBC) and the Columbia Broadcasting System (CBS) began running sponsored news programs and radio dramas. Comedy programs, such as Amos ’n’ Andy, The Adventures of Gracie, and Easy Aces, also became popular during the 1930s, as listeners ...
