In April 24, 2014, Liu Haiyang, director of Spectrum Management Dept. of SRMC visited NTSC to carry out research on radio station call management. Liu Ziyi, director of Technology Dept. of NTSC, and Yang Xuhai, director of the Research Office of NTSC, as well as other researchers, participates in the research.   

The research is performed through symposium during which Liu Ziyi firstly detailed the type, management and service condition of radio station call of NTSC, and reported the problems exist in the radio station. Liu Haiyang gave full affirmation to the use and management of radio by NTSC, answered the questions proposed, and put forward significant advices concerning radio management and use.   

After the symposium, Liu Haiyang visited the Standard Time and Frequency Laboratory of NTSC, CAPS Orbit Measurement Station and Master Control Station as well as BPL/BPM Systems in Pucheng , etc.