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The TWSTFT Report of NTSC

The TWSTFT Report of NTSC. WU Wenjun National Time Service Center, Chinese Academy of Sciences Xi’an, China, 710600 Email: wuwj@ntsc.ac.cn; http://www.ntsc.ac.cn. June 2018 , the 26th Meeting of the CCTF WG on TWSTFT in Warsaw, Poland. NTSC buildings. NTSC clock ensemble. 5071A.

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The TWSTFT Report of NTSC

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  1. The TWSTFT Report of NTSC WU Wenjun National Time Service Center, Chinese Academy of Sciences Xi’an, China, 710600 Email: wuwj@ntsc.ac.cn; http://www.ntsc.ac.cn June 2018 , the 26th Meeting of the CCTF WG on TWSTFT in Warsaw, Poland

  2. NTSC buildings

  3. NTSC clock ensemble 5071A MHM 2010 MHM 2010 Shao VCH-1003M

  4. NTSC Radio stations

  5. New project of NTSC in next five years

  6. Staff of time comparison group DONG Shaowu, Head of Timekeeping Laboratory of NTSC TWSTFT&GNSS: WU Wenjun(Group Leader), ZHANG Hong, GUANG Wei, WANG Xiang and GAO Zhe PhD students：JIANG Meng and WANG Weixiong 7

  7. Current TWSTFT station status There are four TWSTFT stations in the NTSC now. 8

  8. Progress of NTSC04 station • 1. Develop new ITU file generation software • Change a couple of cables which is from UTC(NTSC) point to SATRE input • Eight IF filters were tested before SATER receiver channels • Paid ABS-2A fee for June of 2018 * Li Huanxin was TWSTFT leader and retired since 31 December, 2016 in NTSC

  9. Southeast Asia beam

  10. Result of SATRE and SDR TWSTF Between NIM and NTSC

  11. Next plans The next plans： Submit TWSTFT data to BIPM FTP server after TW meeting If possible, improve the SSPA power with other TW stations Calibrate TWSTFT (both SATRE and SDR) by GPS calibrator

  12. Thank you!

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