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WWVB is a time signal radio station near Fort Collins, Colorado and is operated by the National Institute of Standards and Technology (NIST). [1] Most radio-controlled clocks in North America [2] use WWVB's transmissions to set the correct time. The normal signal transmitted from WWVB is 70 kW ERP and uses a 60 kHz carrier wave yielding a ...
Repeater (horology) The 13 in (33 cm) watch by Louis Brandt (1892) was the first wristwatch with a minute repeater. The movement was manufactured by Audemars Piguet. A repeater is a complication in a mechanical watch or clock that chimes the hours and often minutes at the press of a button. There are many types of repeater, from the simple ...
Cape Canaveral Launch Complex 5 (LC-5) was a launch site at Cape Canaveral Space Force Station, Florida used for various Redstone and Jupiter launches. It is most well known as the launch site for NASA 's 1961 suborbital Mercury-Redstone 3 flight, which made Alan Shepard the first American in space. It was also the launch site of Gus Grissom 's ...
Department of Defense master clock. United States Naval Observatory. Washington, D.C. United States. 18 cesium atomic clocks and 4 hydrogen maser clocks. Cs, H. National Institute of Information and Communications Technology. Koganei, Japan [ 13 ] Optical lattice clock.
Redstone (rocket family), a U.S. missile and support system, named for the Arsenal. PGM-11 Redstone, U.S. missile and carrier rocket, namesake of the family. USNS Redstone (T-AGM-20), a tracking/communications ship supporting the Apollo program] Redstone Old Fort, an 18th-century military post in western Pennsylvania.
Ansonia Clock Company. The Ansonia Clock Company was a clock manufacturing business founded in Ansonia, Connecticut, in 1851 and which moved to Brooklyn, New York, in 1878. The company has produced hundreds of different clock models, including Gingerbread, Porcelain, and Crystal Regulator styles. The business shut down in 2006.
The Time from NPL is a radio signal broadcast from the Anthorn Radio Station near Anthorn, Cumbria, which serves as the United Kingdom's national time reference. [1] The time signal is derived from three atomic clocks installed at the transmitter site, and is based on time standards maintained by the UK's National Physical Laboratory (NPL) in Teddington. [2]
United States Army Signal Corps. 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 ...