Radio

  • Invention of the radio

    Marconi sent and received the first radio signal. That started all of the radio industry, he might not actually be the one who made it
  • Audion Tube

    Lee De Forest created the Audion tube. Its amplifies the signal strength. which made radios more popular
  • Radio Stations

    People finally made stations. People made the first radio stations like KDKA , where you could hear people talk or listen to a show
  • Commercials

    Commercials helped make radio stations money. $50 for 10 mins, People would make lots of money for advertising
  • Personal radio station

    Everyone wanted their own radio station. You dint need a licences. All you needed money.
  • FRC Radio

    People get mad that their commercials weren't getting played to people so you would have to have a license to run a radio station
  • Radio Call letter

    IF you were west of the Mississippi river your station would start with a K if you were east is was a W
  • Radio AM

    AM frequency was used for talk shows. It was 504-1000hz .AM would be blocked by building though
  • Golden Era

    During the great predestination everyone wanted money so people made money off of radios
  • Radios down fall

    TV came out with shows and radios were less popular. People went to TVs for shows because you could see the person
  • Radios Upside

    Radio showed music because there were no good ways to listen to music. A jukebox was only at a restaurant. A disc player was to expense
  • Radio downside

    The FM frequency transmitter came out. People would have to get the FM tans meter.For a good quality but no one wanted to buy it
  • Radio FM

    They invented a FM transmitter. FM transmitter came out and made the quality way better for music. So People could enjoy it
  • Radio AM FM

    Radio showed music on FM.Talk shows on AM which made people buy a transmitter for FM. The FM frequency quality was better
  • Radio VS Music Apps

    Radio completes with all these apps for music. Everyone would go use the app. The app provided more.