VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BC127E
Observer:       Cawthorne, T.V.
Project type:   VLBA
Obs filename:   bc127ecrd.*
Date/Day:       2003DEC14/348
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Cyrus M Reed.                                            
           VCLOCK and GPS DELTA OK.                                             
           UT1-UTC OK (-0.38).                                                  
           WEA: Cloud cover via webcam:                                         
           WEA: SC,FD,PT,KP Clear skies.                                        
           WEA: LA,OV Cloudy. (50%,15%)                                         
           WEA: HN,NL,BR Overcast.                                              
           WEA: MK Unknown (communications down).                               
           WEA: No recent precipitaiton @ any site.                             
     2040  Begin observing. Antennas on source.                                 
2040-0239 *NL not observing due to major EL fault.               AELEC  100  359
           (Originally reported as blown fuse, C113025)                         
2040-2321 *MK not observing due to total loss of                 EXT    100  161
           communications to the site.                                          
2040-2130 %HN 7mm receiver warm @ 49K, but cooling.              13026   25   12
     2040  BR: Dish is 90+% covered with snow at last report.                   
           Seeing higher than normal Tsys as a result.                          
2040-0239 *SC Air temp and dew point readings are incorrect.     12922          
           Estimated value of refraction model will be off.                     
2059-0239 %HN WEA: Snowing.                                                     
     2143  All readbacks OK.                                                    
1220-1221 *OV Autostowed due to power bump. Repointed.           COM    100    1
     2315  MK Communications back up.                                           
     2314  All readbacks OK.                                                    
     2321 %MK now observing and on source. The file has been                    
           running on the VME and recording to tape since                       
           2040UT, however the antenna was not pointed. Any                     
           data on tape before 2321UT is invalid.                               
           Using SCREENs to monitor antenna until monitor data                  
           catches up from previous 20hrs.                                      
     2350  MK WEA: Clear skies.                                                 
     0000  Date is 2003DEC15/349.                                               
           WEA: Cloud cover via webcam:                                         
           WEA: SC,HN,NL Unknown (night).                                       
           WEA: FD,KP,OV,MK Clear skies.                                        
           WEA: LA,PT Light overcast.                                           
           WEA: BR Cloudy (15%), with light fog.                                
           WEA: Snow at HN, other sites dry.                                    
     0028  All readbacks OK.                                                    
0045-0048 *Dumping snow at HN - seeing occasional EL motor       WEA    100    3
           current spikes on scan changes.                                      
     0239  End.                                                                 


Downtime Summary:
	Total downtime : 536 min
	Percentage downtime of observing: 14.9%
	Average downtime per hour : 9.0 min

    Total scheduled observing time (# Antennas): 3590 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.