VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BW070
Observer:       R.C. Walker
Project type:   VLBA
Obs filename:   bw070crd.*
Date/Day:       2004APR04/095
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK GB EB 

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Paul Dyer.                                               
           VCLOCK, GPS Delta, and UT1-UTC check ok.                             
     2300  Begin.                                                               
     2300 *LA WEA: Raining.                                                     
     2300  WEA: Web cams show clear skies at NL, OV, BR, and                    
           MK. All other sites are very cloudy.                                 
           Communication with HN is intermittent.                               
2300-1129 %KP 7mm is running a little warm, 89K at 50K stage.    13736  100  749
     2306  All readbacks ok.                                                    
2315-2320 *PT Autostowed. Power glitch.                          WEA    100    5
     0000  Date is 2004APR05/096.                                               
     0005 *FD 7mm  receiver is warming.                                         
0120-1129 *FD 7mm is up to 95K. Called site tech,but he          FE     100  609
           can't do anything about it. The only fix is to warm                  
           it up and then cool it back down which will take                     
           12hours at the minimum.                                              
     0140  New Operator is Dave Pierce.                                         
     0218  All readbacks are okay.                                              
0322-0324 *PT Autostowed. Power bump. Repointed.                 COM    100    2
0326-0328 *PT Autostowed. Power bump, El #1 armature over        COM    100    2
           current. Repointed.                                                  
0329-0420 *PT Autostowed. Power bump. Keeping down for           COM    100   51
           awhile.                                                              
     0356  All readbacks are okay.                                              
     0452  All readbacks are okay.                                              
     0501  All readbacks are okay.                                              
     0510  All readbacks are okay.                                              
     0546  All readbacks are okay.                                              
     0628  All readbacks are okay.                                              
     0710 *LA Bad readbacks on Drive #2, tracks 2,6,10,14 and                   
           30. All other site readbacks are okay.                               
0745-0809 *PT Autostowed. Taking a series of power bumps.        COM    100   24
           Will keep stowed for awhile.                                         
     0809 *LA Bad readbacks on Drive #2, tracks                                 
           2,6,10,18,26,29 and 30. All other site readbacks                     
           are okay.                                                            
     1018 *LA Bad readbacks on Drive #2, tracks                                 
           2,6,19,14,18,26,29,30,31 and 32. All other site                      
           readbacks are okay.                                                  
     1035 *LA Bad readbacks on Drive #2, tracks 29-32. All                      
           other site readbacks are okay.                                       
     1124 *LA Bad readback on Drive #2, track 30. All other                     
           site readbacks are okay.                                             
     1129  End.                                                                 


Downtime Summary:
	Total downtime : 1442 min
	Percentage downtime of observing: 19.3%
	Average downtime per hour : 11.6 min

    Total scheduled observing time (# Antennas): 7490 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.