Radio and TV

By michaelmcdermott
  • Sir Oliver Lodge does experiments that seem to show electromagnetic waves traveling along wires.

    Sir Oliver Lodge does experiments that seem to show electromagnetic waves traveling along wires.

  • Marconi opened the first radio factory, on Hall Street, Chelmsford, England, employing around 50 people.

    Marconi opened the first radio factory, on Hall Street, Chelmsford, England, employing around 50 people.

  • Marconi establishes the first permanent transatlantic wireless service.

    Marconi establishes the first permanent transatlantic wireless service.

  • First clear transmission of human speech on 9XM.

    First clear transmission of human speech on 9XM.

  • Radio was first used to transmit pictures visible as television.

    Radio was first used to transmit pictures visible as television.

  • FM radio was invented.

    FM radio was invented.

  • After World War II, the FM radio broadcast was introduced in Germany.

    After World War II, the FM radio broadcast was introduced in Germany.

  • Regency introduced a pocket transistor radio, the TR-1

    Regency introduced a pocket transistor radio, the TR-1

  • Color television was commercially transmitted, and the first radio communication satellite, TELSTAR, was launched.

    Color television was commercially transmitted, and the first radio communication satellite, TELSTAR, was launched.

  • LORAN became the premier radio navigation system.

    LORAN became the premier radio navigation system.

  • The GPS constellation of satellites was launched.

    The GPS constellation of satellites was launched.

  • The digital transmissions began to be applied to broadcasting.

    The digital transmissions began to be applied to broadcasting.