VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BL149BD Observer: Lister, M. Project type: VLBA Obs filename: bl149adcrd.* Date/Day: 2008OCT03/277 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Betty Ragan. Vclock, UT1-UTC, gps delta all check OK. 1143 Begin at all sites except SC. 1143-1250 *FD not recording. MK5 keeps offlining and onlining. 23574 100 67 Appears to be a problem with the disc pack. 1151 Begin at SC. 1237-1431 *SC has AZ#1 armature/electronics CB fault. 23575 100 114 Not clearing. Site tech is on his way shortly. 1250 FD site tech has replaced the disc. MK5 is now recording OK. 1327 LA reports scattered high clouds, dry weather. 1358 New operator is Heidi Gerhardt 1520-1533 BR comm down, still observing 1524-1526 *OV focus drive fault, 2nd screw fault FRM 100 2 1629-1648 *OV mark5 comm lost, site tech is working on it TAPE 100 19 2110-2122 *HN mark5 comm lost 23576 100 12 2122 HN rebooted itself 2122-2145 *PT stopped recording because it was too slow TAPE 100 23 2145 New Operator is Alan Kerr 2202-2206 *PT stopped recording: too slow TAPE 100 4 2258 %LA precipitation starting. 2306 LA precipitation stopped. 2346-0053 *HN mark5 comm lost again. 23576 100 67 0000 Date is 2008OCT04/278. 0029 %BR precipitation starting. 0121 BR precipitation stopped. 0129-0132 *PT HC1 FIFO error. cleared. 21522 100 3 0220 %SC precipitation starting. 0237 SC precipitation stopped. 0428 %BR precipitation starting. 0551-0553 *PT HC2 FIFO. cleared. 21522 100 2 0558 New operator is Betty Ragan. 0616-0618 *PT HC1 FIFO errors. Cleared. 21522 100 2 0617-0618 *NL recording stopped with "module slow" error. TAPE 100 1 Offlined and onlined drive, recording resumed. 0811-0820 *SC MK5 lost communication. Will not online. REC 100 9 Rebooting it. 0820-0821 *HN MK5 lost comunication. REC 100 1 0839-0841 *NL recording stopped. Module slow. TAPE 100 2 1031-1032 *NL stopped recording again. TAPE 100 1 1130-1138 *PT not recording. Disc in bank A filled up, HUERR 100 8 but bank B was not released for recording. 1138 End. Downtime Summary: Total downtime : 337 min Percentage downtime of observing: 2.3% Average downtime per hour : 1.4 min Total scheduled observing time (# Antennas): 14350 min (10) 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 = System Temperature (TP/SP x Tcal/2) ACU = Antenna Control Unit FRM = Focus/Rotation Mount RFI = Radio Frequency Interference VME = Site control computer CB = Circuit Breaker vclock = Program that compares site clock time to a standard.