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Hertz Discovers Radio Waves
In a series of experiments, Heinrich Hertz proved the existence of radio waves. His transmitter consisted of a simple spark gap across an induction coil with a loop of wire to act as an antenna. The results of his experiments performed in 1887-8 were published between 1888-90. -
The Radio is Born
Italian inventor named Marconi sent and received the first radio signal in 1895. -
Audion Tube
Lee De Forest created the idea for the Audion Tube, a vacuum tube that amplified signals. It's widely believed that Reginald Fessenden actually invented it. -
Titanic
On the titanic, they had no communication with land, so they jumped on the radio trend. If there hadn't been radios, everyone on the Titanic would've died because no one would've known the ship sank. Thankfully they had them. -
Radio Stations
First radio station was named 8XK, but later renamed KDKA.Frank Conrad invented the station. It's still around today. -
Dawn of Advertising
WEAF aired a 10 minute "commercial" for and Apartment complex costing $50. Now 30 second commercials cost way more than that. Might go for a few thousand dollars. -
FRC
Uncle Charlie became too popular so they made everyone who wanted a radio station get licenses. Assigned radio frequencies, call letters, and power limits. Later changed to FCC. -
Golden Era
When radio was at its finest. There was a war and people needed money, so radio was kind of an escape from things. They would listen to music or talk radio. -
Apex Band
consisting of 75 broadcasting frequencies from 41.02 to 43.98 MHz. invented in 1937. by Edwin Armstrong. -
TV
Tv made appearance in the late 30s. As popularity grew, advertisers went to TV. Radio lost money so radio shows jumped ship. -
I Have a Dream
Martin Luther King's famous speech was broadcasting on every radio station on that day in 1963. It was during the March on Washington. Very important day. -
Radio vs...
You have things today like Spotify, pandora, youtube, etc. They're taking over a new wave of radio. Everyone uses these things today.
