Encyclopedia Titanica

Titanic, Marconi’s “Wireless Telegraphers” and the U. S. Radio Act of 1912

IEEE Electromagnetic Compatibility Magazine

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The role of wireless telegraphy on the Titanic and its impact on subsequent U.S. legislation.

by Daniel D. Hoolihan
Key Points

Wireless Telegraphy on the Titanic

The Titanic was equipped with two wireless telegraph systems provided by the Marconi Company, operated by John George (Jack) Philips and Harold Sidney Bride. These systems were crucial for passenger communication and ship operations.

Missed Iceberg Warnings

Several iceberg warnings received by the Titanic were not relayed to the captain, contributing to the disaster. A critical warning from the Mesabi was ignored by Philips, who prioritized passenger messages.

Distress Signals

After the Titanic struck the iceberg, Philips and Bride sent distress signals, including the SOS. The Carpathia responded but was too far to arrive in time to save all the passengers.

Heroic Efforts and Survival

Philips and Bride continued to send distress signals until the power failed. Philips did not survive, while Bride managed to escape on a collapsible raft and later assisted with radio communications on the Carpathia.

Radio Act of 1912

The Titanic disaster led to the U.S. Radio Act of 1912, which mandated 24-hour manning of wireless equipment and regulated wireless communication to improve maritime safety.

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Radio Act of 1912 Distress Signals SOS Ice Warnings Wireless Communications

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