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 … WebbHausadresse, Lieferanschrift: Telefon (Zentrale): Bundeskasse Hannover PTB Berlin-Charlottenburg Bundesallee 100 (05 31) 5 92-0 Postbank 5018-304 (BLZ 250 100 30) Abbestraße 2-12, ... In figure 1, the results of comparison between the primary clocks CSF1, CS1, and CS2 and the two hydrogen masers is shown.
CS2: The PTB
Webbjoined 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 … 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 … colonial williamsburg ewing house location
Primary atom clocks CS1 and CS2 of PTB - PTB.de
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 device, CS2, was completed. The intercomparison data of the CS2 versus CS1 will be presented in section 2. 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 … 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 … dr. schmidt ophthalmologist knoxville