The Chinese Spectral Radioheliograph (CSRH) covering 400 MHz-15 GHz frequency range was constructed during 2009–2016 in Mingantu Observing Station, National Astronomical Observatories, Academy of Sciences at Zhengxiangbaiqi, Inner Mongolia China. CSRH is renamed as M ingant U S p E ctral R adioheliograph (MUSER) after its accomplishment. Currently, MUSER consists two arrays spreading over three...