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List of UTC timing centers is a list of over 70 recognized maintainers of atomic clocks around the world from which UTC is calculated. [1] Below are links to some of the more notable time centers which contribute to the calculation of UTC.
The Atomichron was the world's first commercial atomic clock, built by the National Company, Inc. of Malden, Massachusetts. It was also the first self-contained portable atomic clock and was a caesium standard clock. More than 50 clocks with the trademarked Atomichron name were produced. [1] [2] [3] [4]
International Atomic Time (abbreviated TAI, from its French name temps atomique international [1]) is a high-precision atomic coordinate time standard based on the notional passage of proper time on Earth's geoid. [2] TAI is a weighted average of the time kept by over 450 atomic clocks in over 80 national laboratories worldwide. [3]
Print/export Download as PDF; Printable version; In other projects ... Pages in category "Atomic clocks" The following 18 pages are in this category, out of 18 total.
The development of atomic clocks has led to many scientific and technological advances such as precise global and regional navigation satellite systems, and applications in the Internet, which depend critically on frequency and time standards. Atomic clocks are installed at sites of time signal radio transmitters. [103]
An optical clock keeps time by counting oscillations of electromagnetic waves. Oscillations of light are counted using a frequency comb, and stabilized to atoms. Optical clocks are a subset of atomic clocks which count oscillations of visible light, which oscillates at a much higher frequency than microwaves.
The United Kingdom National Timing Centre is the proposed network of atomic clocks consisting of a central building, and a series of other locations across the UK. [1]The cost of the new system will cost £36 million, [2] but additionally the UK government has given £6.7 million through Innovate UK Funding and £40 million toward a new research program Quantum Technologies for fundamental ...