Xicom indoor rack mount 200w C-Band TWTA. It has been completely refurbished with some new and upgraded parts, new fan and cpu battery. It had approximately 40K hours on the clock but replacing the battery lost the initial information.
Testing all functions of operation both at 120 & 240 vac. Adjusted HV for best performance (within factory specs) Also checked constant power mode. Result was: helix = 1.2 ma at < 1 watt and 3.7 ma at 200 watts over the full frequency range of 5925 MHz thru 6425 MHz.