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This is a list of some experimental laboratory atomic clocks worldwide. This list is incomplete; you can help by adding missing items. (March 2013) Name
Atomic clocks are installed at sites of time signal radio transmitters. [113] They are used at some long-wave and medium-wave broadcasting stations to deliver a very precise carrier frequency. [114] Atomic clocks are used in many scientific disciplines, such as for long-baseline interferometry in radio astronomy. [115]
The museum was initially sited in 1969 on the grounds of Sandia Base (now Kirtland Air Force Base) in an old 90 mm anti-aircraft gun repair facility, and named "Sandia Atomic Museum". [6] It was the result of a six-year effort to establish a museum to tell the story of the base and the development of nuclear weapons.
NIST-F1 is a cesium fountain clock, a type of atomic clock, in the National Institute of Standards and Technology (NIST) in Boulder, Colorado, and serves as the United States' primary time and frequency standard. The clock took fewer than four years to test and build, and was developed by Steve Jefferts and Dawn Meekhof of the Time and ...
A standard frequency and time signal service is a station that operates on or immediately adjacent to 2.5 MHz, 5 MHz, 10 MHz, 15 MHz, 20 MHz, and 25 MHz, as specified by Article 5 of the ITU Radio Regulations (edition 2012). [2] The US service is provided by radio stations WWV (Colorado) and WWVH (Hawaii).
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]
The museum was established in 1949 as the "American Museum of Atomic Energy". In 1975, the museum constructed a new building at 300 South Tulane Avenue. The museum was located there until 2018, when the museum moved to a new yet smaller building on Main Street. The one-story building has 18,000 square feet (1,700 m 2). [8]
National Atomic Research Institute; National Centre for Physics; National Centre of Scientific Research "Demokritos" National High Magnetic Field Laboratory; National Ignition Facility; National Institute of Radiological Sciences; National Superconducting Cyclotron Laboratory; Neely Nuclear Research Center; Nikhef; Nimrod (synchrotron)