DETAILS OF THE LABORATORY
Laboratory of the National Time and Frequency Standard (CMI Associate Laboratory)
Users: Blanka Čemusová, MSc.; Alexander Kuna, Ph.D.; Petr Pánek, Ph.D.; Vladimír Smotlacha, Ph.D.; Ludvík Šojdr, Ph.D.
Main tasks
  • Physical realization of the TAI second.
  • Generation of the national time scale UTC(TP).
  • Linking the atomic clocks in the Czech Republic to UTC(TP), time transfer from/to LNTFS via global navigation systems or optical links.
  • Participation on generating the UTC time scale in cooperation with BIPM. Reporting of the atomic scales in the Czech Republic to BIPM.
  • Generation of standard frequencies with very high short-term frequency stability.
Atomic clock 5071A
High-performance Cs-beam atomic clock 5071A.
Services
  • Dissemination of UTC(TP) via Internet using the Network Time Protocol and Time Stamp Authorities.
  • High-accuracy calibrations of industrial atomic frequency sources, ultra-stable quartz oscillators, and GPS-disciplined frequency sources and clocks.
  • Consultations and expertises.
Time-transfer GPS receivers GTR-50
Time-transfer GPS receivers GTR-50.
Equipment
  • High-performance Cesium-beam atomic clocks 5071A.
  • Time-transfer GPS receivers GTR-50 designed in IPE in cooperation with DICOM, spol. s r.o.
  • Network Time Protocol (NTP) servers and Time Stamp Authorities (TSA) designed by CESNET, z.s.p.o.
  • Ultra-stable 5 MHz BVA reference oscillators Oscilloquartz 8600-BC5GE.
  • Time interval analyzer TSC 5110A.
  • Phase Noise Detector FSS1000E with FFT Spectrum Analyzer SR760.
  • Laboratory comparators based on dual-mixer time-difference multiplacation, universal time interval counters SR620.
  • Optical receivers and transmitters for transmission via optical fiber links desinged in IPE.
Optical receivers and transmitter
Optical receivers and transmitter for transmission via optical fiber links.
Details...