BK127C synopsis of failures Various problems found with the major antennas for this HSA experiment: AR: Observation was started late due to a serious electrical failure. Data recording started approximately 17:43. In tests no fringes were detected to AR after 17:05. GB: Playback quality is very poor from recorder two, encompassing the time range 16:00 to 21:17. Y: Amplitude for phased array was approximately one third of normal due to an impaired LO cable in the VLBI hardware. Other problem: MK: RCP channels are suppressed; problem not yet determined.