VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BG155
Observer:       Greenhill, L.
Project type:   VLBA
Obs filename:   bg155crd.*
Date/Day:       2004DEC30/365
Ants Scheduled: SC HN NL FD LA PT KP OV Y GB 

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Paul Dyer.                                               
           VCLOCK, GPS Delta, and UT1-UTC check ok.                             
     0702  Begin at NL, FD, LA, PT, KP, and OV.                                 
     0702  PT is writing Mark V disc NRAO-048 in bank A                         
     0702  LA is writing Mark V disc NRAO-064 in bank A.                        
0702-0730 *FD FRM is stuck at 90cm position. Site tech           15455  100   28
           called.                                                              
     0702 *PT WEA: Raining.                                                     
     0702 *LA WEA: Raining.                                                     
     0702 *KP WEA: Wind gusts > 35mph.                                          
     0708  Begin at HN.                                                         
     0713  Begin at SC.                                                         
     0730  Begin at Y.                                                          
     0730  All readbacks so far are ok.                                         
     0830  All readbacks in the last hour were ok.                              
     0930  All readbacks in the last hour were ok.                              
0938-0941 *PT Autostowed. Power glitch.                          COM    100    3
     1000 *NL WEA: Precipitation starting.                                      
     1018  All readbacks ok.                                                    
1045-1050 *KP Drive two lost vacuum, I reloaded it. Looks        15458  100    5
           ok.                                                                  
     1131  All readbacks ok.                                                    
1154-1157 *KP Drive two lost vacuum again.                       15458  100    3
     1241  All readbacks ok.                                                    
1257-1259 *KP Drive two lost vacuum again.                       15458  100    2
1317-1319 *PT Autostowed. Power glitch.                          COM    100    2
1341-1430 *FD Drive two is out of tape.                          SW     100   49
           Two fresh tapes were up at the start, autoallocate                   
           must have gotten confused.                                           
     1425  Y End of file.                                                       
     1433  SC readbacks all ok.                                                 
     1441  SC all readbacks OK.                                                 
     1445  New Operators are Sonja Mendoza and Brian Willard.                   
     1448 *BR WEA: Site tech reports that there is light                        
           snow; dish covered 100% by about 1/2 inch of snow.                   
     1456  End.                                                                 


Downtime Summary:
	Total downtime : 92 min
	Percentage downtime of observing: 2.2%
	Average downtime per hour : 1.3 min

    Total scheduled observing time (# Antennas): 4266 min (9)

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.