Recent Progress of 2MW 140GHz ECRH System on HL-2A M. Huang, J. Rao, B. Li, J. Zhou, Z.H. Kang, H. Wang, B. Lu, D.H. Xia, C. Wang, K. Feng et al. (7 more) EPJ Web of Conferences, 32 (2012) 04012 Published online: 06 September 2012 DOI: 10.1051/epjconf/20123204012