VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BL137D
Observer:       Lister, M.
Project type:   VLBA
Obs filename:   bl137d
Date/Day:       2006APR28/118
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Phillip Hicks, Operator du jour.                                     
           UT1-UTC = 0.24                                                       
           vclock OK (Largest -0.199).                                          
           GPS OK (Max 6.9us).                                                  
           Weather: Cloudy OV and NL. No data from KP, The                      
           remaining antennas mostly clear & dry.                               
     1612  Start program BL137D.                                                
     1616  All antennas on source.                                              
     1621  Data writing to disk.                                                
     1649 *MK High system temperatures due to source at low                     
           elevation (8 degrees)                                                
     1700  Wind gusts greater 35mph.                                            
1713-1908 *NL Elev. #2 armature/electronics CB fault. Unusable.  18130  100  115
1805-1809 *OV High winds causing high motor currents (Az#2)      WEA    100    4
     1854 %OV More high winds cautions.                                         
     1927  MK Weather: Tech reports scattered clouds.                           
     2007  Rain at SC.                                                          
2036-2105 *LA Az. #2 armature/elec CB fault.                     18131  100   29
2053-2058 *KP Dropped out of pointing. Power/Wind.               WEA    100    5
2127-2130 *PT Dropped out of pointing. Power/Wind.               WEA    100    3
     2145  On Duty Operator: Peggy Perley                                       
           LA,PT,OV - winds gusting over 35mph occasionally                     
           Some clouds at NL,LA,PT,KP,OV                                        
2300-0400 %FD TSMPLOTs show Cable cal delays are jumping                        
           during this time period by as much as 80 ps.                         
     2340  LA - very light rain.                                                
     0000  Date is 2006APR29/119.                                               
     0030  FD winds gusting over 35mph occasionally                             
0228-0229 *PT BBC 7 did not set up at correct frquency           BBC    100    1
0312-1311  PT: removed for VLA-PT link observation AE153A                       
     0530  New operator is Brian Willard.                                       
     0554 %LA: rain.                                                            
     0720 %NL: rain.                                                            
1125-1154 *SC: power hit autostow, repointed.                    COM    100   29
1159-1202 *OV: cleared az#2 overcurrent.                         ACU    100    3
     1314 %NL: rain.                                                            
     1319  PT on source.                                                        
     1319  PT writing on NRAO-150, Bank B.                                      
     1325  New operator: T. Perreault                                           
1602-1604 *PT autostowed. Power glitch. Repointed.               COM    100    2
     1620  End.                                                                 


Downtime Summary:
	Total downtime : 191 min
	Percentage downtime of observing: 1.3%
	Average downtime per hour : 0.8 min

    Total scheduled observing time (# Antennas): 14480 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.