Radio dating techniques
It had a leading role in the introduction of black-and-white television in the 1940s and 1950s, and color television in the 1950s and 1960s.During this time the company was closely identified with the leadership of David Sarnoff, who was general manager at its founding, became company president in 1930, and remained active, as chairman of the board, until the end of 1969.
RCA originated as a reorganization of the Marconi Wireless Telegraph Company of America (commonly called "American Marconi").
At its height as an independent company RCA was the dominant communications firm in the United States.
Beginning in the 1920s it was a major manufacturer of radio receivers, and also developed the first national radio network, the National Broadcasting Company (NBC).
It proved to be superior for transatlantic transmissions to the spark transmitters that had been traditionally used by the Marconi companies. Young, asking that he suspend the pending alternator sales to the Marconi companies.
Marconi officials were so impressed by the capabilities of the Alexanderson alternators that they began making preparations to adopt them as their standard transmitters for international communication. This would leave General Electric without a buyer for its transmitters, so the officers proposed that GE purchase American Marconi, and use the assets to form its own radio communications subsidiary.The United Fruit Company held a small portfolio of radio patents, and signed two agreements in 1921.