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Gugliemo Marconi
In 1865 Marconi invented the first wireless telegraph, which he used radio sounds waves to produce his final pice, he used morse code to start out the radio, which produced the first radio. -
TESLA
Created the first transmition of radio frequencey, which used to send telefrequency waves to produce the sound in radio. -
The Wave Transmitter
The wave transmitter is the precursor of today's radio transceiver; "The Wireless Telephone" and the "Wireless Telegraph" causing todays commuication. -
Vaccum Tube
Dr. Lee deForest invented the first vaccum tube. His invention called the "audion," was first developed as a detector of radio waves and was quickly bought by shipboard operators. Later the experimentation,showed the ability of the vacuum tube to generate radio signals. systems. -
KDKA
On Nov 2 1920, KDKA was the first radio station to produce its first radio commercial broadcast. They chose that date because it was election day, and had the power of radio which was proven when people could hear the results of the presidential race before they read about it in the newspaper. -
Advertising
WEAF; New York accepts the first “radio-ad.” Because this station is owned by AT&T, which was the only station allowed to engage in “toll broadcasting” under the RCA agreements. -
Louis Armstrong
Louis was the first African American to host a nationally broadcast radio show in the 1930s. Which was crazy. -
Edwin Armstrong
Edwin created the first FM sound wave on air broatcasting carrying a full range of broatcasing without static and an apeling sound to the human ear. -
First Fm radio station
W1XOJ (WFFA0 the first radio station in the 1930s in Worcester, Massachusetts. Which is 107.3 and 97.7 which are now today rock stations. -
The Golden Age
The begining of the Golden Ag, 12 million American households owned a radio, and by 1939 this total had exploded to more than 28 million. s technology improved radios became smaller and cheaper. Radios became the central piece of furniture in living rooms, so that with parents and children alike, crowding around the set to hear the latest info. -
Rock & Roll
Entertainers who imitated and emulated black R&B singers from the 1940s were starting to be heard in big cities like New York and Cleveland. Elvis Presley and others were getting air play and selling records. -
Elvis First Radio Interview
KWKH radio announcer Frank Page introduced Elvis on his first radio broadcast from the Louisiana Hayride inside Shreveport, Louisiana's Municiple Auditorium. -
Spot Radio
The Sponsor control of programming gives advertisers being able to buy a 30 or 60 second spot within a program. Now advertisers could “participate” in the sponsorship of a program instead of owning it outright. Partly this change was hastened by the “blacklisting” of writers. -
RADIO IS PREDICTABLE
AM radio Top 40 begins the decade with lock on the ratings. Even though it’s sound was staticy, in some markets more than 50% of the people using radio are still tuned by habit to that “one big legendary AM station. -
Cable Radio Station
The first "commercial" cable radio station in the United States was CABL-FM 108, on Theta Cablevision system, serving West Los Angeles, California and surrounding areas.
