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In 1892, British companies owned and operated two-thirds of the world's cables and by 1923, their share was still 42.7 percent. [16] During World War I, Britain's telegraph communications were almost completely uninterrupted, while it was able to quickly cut Germany's cables worldwide. [13]
The Great War (YouTube channel) The Great War is a history YouTube channel and web series which covered the events of World War I week-by-week from July 2014 to November 2018, [3][4][5][6][7][8][9][10] [excessive citations] now focusing on the events that followed it in longer episodes. The Great War is operated and owned by Real Time History.
The Proof Is Out There: The Alien Edition. The Secret of Skinwalker Ranch. Swamp Mysteries With Troy Landry. Swamp People. Swamp People: Serpent Invasion. The Toys That Built America. The UnBelievable with Dan Aykroyd. The UnXplained. The UnXplained: Mysteries of the Universe.
High-frequency direction finding. High-frequency direction finding, usually known by its abbreviation HF/DF or nickname huff-duff, is a type of radio direction finder (RDF) introduced in World War II. High frequency (HF) refers to a radio band that can effectively communicate over long distances; for example, between U-boats and their land ...
The United States Army Signal Corps (USASC) is a branch of the United States Army that creates and manages communications and information systems for the command and control of combined arms forces. It was established in 1860, the brainchild of Major Albert J. Myer, and had an important role in the American Civil War.
History. 235 E. 45th St., New York City, New York, U.S. History (stylized in all caps), formerly and commonly known as the History Channel, is an American pay television network and flagship channel owned by A&E Networks, a joint venture between Hearst Communications and The Walt Disney Company 's General Entertainment Content Division.
The Titans That Built America is a six-hour, three-part miniseries docudrama which was originally broadcast on the History Channel on May 31, 2021. [1] The series focuses on the lives of Pierre S. du Pont, Walter Chrysler, JP Morgan Jr., William Boeing, Henry Kaiser, Charles Lindbergh, William S. Knudsen, John Raskob, Edsel Ford, and Henry Ford. [2]
Air-to-ground communication. The earliest communication with aircraft was by visual signalling, ground-to-air only. Air-to-ground communication was first made possible by the development of two-way aerial telegraphy in 1912, soon followed by two-way radio. By the Second World War, radio had become the chief medium of air-to-ground and air-to ...