Performance History and Upgrades for the DIII-D Gyrotron Complex J. Lohr, J.P. Anderson, M. Cengher, R.A. Ellis, Y.A. Gorelov, E. Kolemen, T. Lambot, D.D. Murakami, L. Myrabo, S. Noraky et al. (3 more) EPJ Web of Conferences, 87 (2015) 02009 Published online: 12 March 2015 DOI: 10.1051/epjconf/20158702009