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 Time 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
