The ptb primary clocks cs1 and cs2

Author: atjy

August undefined, 2024

http://time.kinali.ch/ptti/2004papers/paper17.pdf Webb12 nov. 2024 · The PTB primary clocks CS1 and CS2 Andreas Bauch Physikalisch-Technische Bundesanstalt, Braunschweig, Germany Received 4 February 2005 …

TIME AND FREQUENCY ACTIVITIES AT THE PHYSIKALISCH …

WebbPTB currently provides data from three PTB-built clocks with a thermal atomic beam, CS1, CS2, and CS3 (which is no longer evaluated as a primary clock), three commercial cesium clocks, and two active hydrogen masers as inputs to the calculation of the free atomic time scale EAL (Echelle atomique libre) by the International Bureau of Weights and … WebbOperation of the PTB primary clocks in 2024 PTB's primary clocks with a thermal beam During 2024, PTB’s primary clocks CS1 and CS2 were operated almost continuously. … small coffee table round

From now on, 4 PTB primary atomic clocks will EurekAlert!

WebbAlmost 20 years ago, in 1969, the well-known primary atomic clock CS1 of the PTB was put into operation, and it has been in continuous operation since 1978. In 1985, a second … WebbAs the foundation of our work, we continued the operation of the primary clocks CS1 and CS2, and of the cold-atom cesium fountain CSF1. Recent activities in the field of time … WebbThe present uncertainty of CS2 is estimated to be 22 x 10 to the -15th. Frequency intercomparisons of the PTB's two primary clocks, CS1 and CS2, averaged over one … small coffee table runners beach theme

CS2: The PTB

WebbThe PTB CS1 belonged to the group of so-called primary standards of frequency and time since 1969. It was intermittently operated until 1978 and used for the steering of PTB's atomic time scale. Between 1978 and 1995 the CS1 was operated continuously as a clock. Throughout all the WebbThe thermal beam primary clocks CS1 and CS2 continue to be operated as backup frequency references for the realization of the time scales UTC(PTB) and TA(PTB). Both continue to contribute to the determination of the TAI scale unit with maximum weight. Substantial progress has been made in the development of optical frequency standards … small coffee table decorWebbThe PTB primary clocks CS1 and CS2 Andreas Bauch Physikalisch something wise

"Webb7 juni 2005 · The PTB primary clocks CS1 and CS2 - IOPscience. The International Bureau of Weights and Measures (BIPM) was set up by the Metre Convention and has its … " - The ptb primary clocks cs1 and cs2

The ptb primary clocks cs1 and cs2

Physikalisch-Technische Bundesanstalt (PTB), Germany - BIPM

Webb1 juni 2005 · Made available by U.S. Department of Energy Office of Scientific and Technical Information ... WebbTable 1. Operational parameters of CS1 and CS2 as valid during the last years. Two entries refer to the two possible beam directions, see end of Section 2. The short-term …

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http://time.kinali.ch/ptti/1996papers/Vol%2028_20.pdf WebbPRIMARY TIME AND FREQUENCY REFERENCES PTB has continued to operate two primary frequency standards with a thermal atomic beam as clocks. The CS1 has a history of more than 30 years. It was refurbished about 4 years ago. The CS2 has been operated since 1986 with, up to now, the first charge of cesium (5 g) in each of the two ovens.

WebbBased on its research and development work, PTB provides a wide range of metrological services. The central task in this context – laid down by law – is to realize and to disseminate the units as accurately as possible. In this way, PTB ensures that uniform measures are used, not only in Germany, but throughout the world. WebbCLOCK OPERATION PTB currently provides data from three PTB-built clocks with a thermal atomic beam, CS1, CS2, and CS3 (which is no longer evaluated as a primary clock), three …

Webb16 dec. 2009 · PTB's four primary clocks are the two caesium beam clocks CS1 and CS2, as well as the caesium fountain clocks CSF1 and CSF2. The beam clock CS1 has been in operation for 40 years, whereas CS2 has been used …

Webb24 maj 2009 · Comparisons with PTB's cold-atom frequency standard CSF1 (uB = 1 × 10−15) over 3.5 years revealed that CS2 and CSF1 agreed well within the uncertainty uB(CS2), whereas CS1 frequency deviates ...

Webb5 mars 2003 · The primary clocks CS1, CS2 and CS3, and the new fountain clock CSF1 of the Physikalisch-Technische Bundesanstalt (PTB) have contributed to the realization of … something wild song lyricsWebbSince the summer of 1985, two primary cesium atomic clocks have been in continuous operation in the PTB. The long-term performance of the two clocks is described, based … something wise meaningWebb7 juni 2005 · The primary clocks CS1, CS2 and CS3, and the new fountain clock CSF1 of the Physikalisch-Technische Bundesanstalt (PTB) have contributed to the realization of … something will turn up 2 pound coinWebbjoined the TAI community. These clocks are mostly industrial cesium clocks, but a few hydrogen masers (about 5) and laboratory cesium clocks (4 to 6) bring an important … something wirelessWebb11 rader · The clocks CS1 and CS2 were put into operation in 1969, 1985, and 1988, … something with handleWebbAlmost 20 years ago, in 1969, the well-known primary atomic clock CS1 of the PTB was put into operation, and it has been in continuous operation since 1978. In 1985, a second … something with a long neckWebbThe PTB primary clock CS1 has belonged to the group of so-called primary standards of frequency and time since 1969. Until 1978 it was operated intermittently and used for … small coffee table australia