From vlbaops@aoc.nrao.edu Mon Jan 29 10:48:55 2007 Date: Mon, 29 Jan 2007 10:48:39 -0700 (MST) From: VLB operators To: vlbiobs@aoc.nrao.edu Subject: new log for BB229B VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BB229B Observer: Brunthaler, A. Project type: VLBI Obs filename: bb229bcrd.* Date/Day: 2007JAN28/028 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK Y GB EB =UT-Time===Comment===============================================MF#===%AD==AMD= operators Alan Kerr and Heidi Gerhardt vclock ping a little high for BR, MK GPS (8.3), UTC (0.01) OK. %NL chance of flurries Y in project, not shown on questionaire 0200 Begin (MK joins later) 0200-0220 %Y files sent late. may have lost some data. OTHER 100 20 0205 MK begins 0542-0543 KP mark5 communication lost, not recording at that 19756 time. No data lost. 0544-0545 *KP mark5 communication lost 19756 100 1 0547-0830 *KP mark5 communication lost, data lost. Can not 19756 100 163 command it back online. Tried chatterbox to restart mk5. At 06:16 doComent error after online rcmd. Rebooted mk5, NRAO-211 has error, thinks it has no data, two discs within NRAO-211 are very bad. Called out site tech to put in a new pack. 1042-1058 *FD mcb error, focus having trouble, resent MCB 100 16 active scan. 1106-1107 *LA mark5 communication lost TAPE 100 1 1201 *OV precipitation starting 1358 End. Downtime Summary: Total downtime : 201 min Percentage downtime of observing: 2.5% Average downtime per hour : 1.5 min Total scheduled observing time (# Antennas): 7898 min (11) 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.