Chapter 6 – RADIO
Titanic: Wireless Telegraphy
Italian inventor Marconi created a wireless telegraph that used radio waves
to carry messages in Morse code. He established his company the Marconi
Wireless Telegraph Company, setting up shore-based radio stations to
receive and send telegraph signals to ocean going ships where telegraph
wires can’t reach. The wireless telegraph played a pivotal role in the Titanic
disaster. It helped save the lives of many passengers and this incident got the
attention of the public. The Congress put radio licensing under the
supervision of the Department of Commerce in the Radio Act of 1912.
During WWW1, the US Navy increased radio technology by giving Marconi
exclusive rights to his invention. After a settlement, he set up a new
company called American Telephone & Telegraph (AT &T).
The vacuum tube was invented by Lee De Forest and was used for radio