Site Map

Site Map

* What's New
* Japan Standard Time
* Transmission Information
What we do
 |---- Mission of Japan Standard Time group
 |       |----TAI, UTC, and Leap Seconds
 |       |---- Generation of Japan Standard Time (JST)
 |       |---- Comparison of JST
 |       |---- Dissemination of JST
 |       |---- New Initiatives for an IT Society
 |---- Supply of time information & research on applied technology by NetWork
 |---- Pamphlet
 |       |---- Pamphlet of Japan Standard Group(PDF)
 |       |---- Pamphlet of LF Transmission Facilities(PDF)
 |---- Weights of Atomic Clocks(NICT)
 |       |---- Top 10 List
 |       |---- The Former Top 10 List
 |       |---- Change Chart of NICT weight
JJY
 |---- The Method of Emitting Standard Time and Frequency Signal
 |       |---- About Standard-time and frequency-signal emission
 |       |---- The specification of standard-time and frequency-signal emission
 |       |---- Tranmission method of Low frequency JJY
 |---- Expected Value of LF Field Strength
 |       |---- Expected LF field strength value of each prefecture in Japan
 |       |---- The graph of expected LF field strength value
 |       |---- The map of expected LF field strength value
 |       |---- Calculation program: Field Strength Pro
 |---- JJY signal
Time Dissemination Service
 |---- Time Information Service
 |---- HP for Time Business Service
 |---- Time Dissemination by Telephone(TEL-JJY)
 |       |---- Introduction
 |       |---- Transmission Parameter for Communication
 |       |---- Example for Operation
 |       |---- Command to get the Time and Date Information
 |       |---- Timing of the Time Code Transmission and etc.
 |       |---- Appendix
 |---- Calibration of Frequency Standard Oscillator
FAQs and Data
 |---- FAQs about Japan Standard Time and Frequency and etc
 |---- Data
 |---- Reference
 |---- Link
*  Contact