VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BG045D Observer: L. Greenhill Project type: VLBA Obs filename: bg045dcrd.* Date/Day: 1996AUG11/224 Ants Used: SC HN NL FD LA PT KP OV BR MK Y =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Brent Willoughby 1506-0100 *KP Antenna unusable. Servo system down. 17692 100 594 %SC 7mm sensitivity low by 50% 13120 %NL 7mm RCP gain high by a factor of 2 14864 %BR 7mm sensitivity low 14268 1506 Begin file 1506 MK Formatter H/C FIFO errors and 1pps marker error 17594 1552-1626 &OV Recorder #1 lost vacuum 17693 100 34 1659-1724 *OV Recorder #1 stopped due to previous malfunction. 17693 100 25 Tape at end of reel. 1857-1905 *OV Recorder #1 lost vacuum at end of reel again. 17693 100 8 Have to switch to drive #2 and use new tape. 1905-1945 *OV Recorder #2 being used due to previous. Tape 17693 100 40 at beginning of reel and stopped due to previous. 1905 OV recorder #1 VSN=VLBA0664, recorder #2 VSN=SVLB0368 2133 MK Wea: Cool, clear and dry 2303-2304 *MK Spontaneously rebooted SW 100 1 2308-2309 *FD Antenna autostowed AELEC 100 1 0000 Date is 1996AUG12/225. 0014-0100 *MK Recorder #1 vacuum loss. No comm. to MK site 17694 100 46 so the vacuum loss was not detected untill comm. was reestablished at 00:47 UT. 0100 End. Notes: * = Entries where data was affected. % = Entries where data may have been affected. & = Entries where the site tech was called out. wea = Weather entries: MF# = Maintenance form or major downtime category associated with a problem. %AD = The percentage of an antenna affected by a problem. AMD = Total antenna-minutes downtime for a problem. Tsys = TP/SP x Tcal/2