VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BJ046P
Observer:       B. Junor
Project type:   VLBA
Obs filename:   bj046pcrd.*
Date/Day:       2004APR04/095
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Paul Dyer.                                               
           VCLOCK, GPS Delta, and UT1-UTC check ok except at                    
           PT, which is unuseable.                                              
     0051  Begin                                                                
0051-1203 *PT Antenna is not useable. Earlier failure of         WEA    100  672
           UPS system has left systems vulerable to power                       
           glitches due to lightning. As a result, both tape                    
           drives have unloaded, station timeing is bad and                     
           multiple other problems. Bad weather continues and                   
           the site tech does not believe he can repair all                     
           systems tonight.                                                     
     0057 %LA Bad readback on drive 2, track 02. All others                     
           are ok.                                                              
     0111 %LA Bad readback on drive 2, track 02. All others                     
           are ok.                                                              
     0220  All readbacks ok.                                                    
     0232  New Operator is Dave Pierce.                                         
     0254 %LA WEA: Precipitation starting.                                      
     0336  Readbacks are okay.                                                  
     0428 %FD WEA: Precipitation starting.                                      
     0447 %FD WEA: Wind gusts > 35 mph.                                         
     0459  Readbacks are okay.                                                  
     0608  Readbacks are okay.                                                  
0638-0650 *HN Autostowed. Power bump. Repointed.                 COM    100   12
           Lost communication, rebooted site computer.                          
     0731 *Readbacks are okay.                                                  
0758-0802 *HN Autostowed. Power bump. Repointed.                 COM    100    4
0806-0809 *FD Autostowed. Power bump. Repointed.                 COM    100    3
     0916  SC File ends.                                                        
0946-0950 *FD Autostowed. Power bump. Repointed.                 COM    100    4
     0947  HN File ends.                                                        
     1055  NL File ends.                                                        
     1203  End.                                                                 


Downtime Summary:
	Total downtime : 695 min
	Percentage downtime of observing: 10.3%
	Average downtime per hour : 6.2 min

    Total scheduled observing time (# Antennas): 6720 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.