Revolutionizing Emergency Communications The invention of Guglielmo Marconi’s wireless telegraph in the late 19th century ushered in a new era of communication. Before Marconi’s breakthrough, sending messages required physical wires or reliance on slower methods like semaphore, carrier pigeons, or written correspondence carried on horseback. Marconi’s invention fundamentally changing how…
wireless telegraph
5 New Rules That Resulted From The Titanic Disaster
Two Rules are Specific to Radio Communications In the early days of maritime wireless communication, years before the Titanic Disaster, CQD emerged as one of the first standardized distress signals. Introduced in 1904 by the Marconi International Marine Communication Company, CQD was widely used by ships equipped with Marconi wireless…