Journal----National Time Service Center Chinese Academy Of Scences

Journal of Time and Frequency

Journal of Time and Frequency is a journal of academy and technological application sponsored by National Time Service Center of Chinese Academy of Sciences and mainly administered by Chinese Academy of Sciences. Journal of Time and Frequency is a semiyearly published one in and outside China. Journal of Time and Frequency has been chosen in such databases as Chinese Sciences Citation Database,Chinese Core Journal(Selected)Database,Chinese Journal Full text Database,Chinese Academic Journal Comprehensive Evaluation Database and Chinese Scientific&Technical Periodicals Database.

Time & Frequency Bulletin

National Time Service Center(NTSC), the Chinese Academy of Sciences is an institute which is mainly engaged in the service and research on time and frequency. NTSC takes charge of generating and maintaining the national standard time scale, disseminating the time and frequency signals. The values listed in the bulletin are computed by NTSC with data from five time labs in China.