VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BR100ED
Observer:       Reid, M.
Project type:   VLBA
Obs filename:   br100edcrd.*
Date/Day:       2007APR16/106
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Vclock, gps delta, UT1-UTC all check OK.                             
           Operator is Betty Ragan.                                             
     0736  Begin.                                                               
     0736 *HN snowing.  It's been in avoidsnow, but it's                        
           possible there might be some accumulation in the                     
           dish. Tsys are moderately high.                                      
     0736  OV high wind gusts.                                                  
1009-1436 *HN power failure.  Communication went down briefly.   COM    100  267
           Antenna stowed.  Currently on generator power.                       
1017-1151 *SC AZ#2 armature/electronics CB error. Putting it     20206  100   94
           into standby fails to clear it. Called site tech; he                 
           is on his way.                                                       
     1104 %KP lost communications.  Going to dial back-up.                      
1222-1226 *OV autostowed due to wind.                            WEA    100    4
     1239  FD reports clear, dry weather.                                       
1257-1258 *OV autostowed due to wind again.                      WEA    100    1
1303-1311 *OV autostowed again. Giving it a few minutes before   WEA    100    8
           repointing.                                                          
     1342  New operator is Jim Ogle.                                            
     1343 *Shutting down observing file at HN, no telling        COM            
           when power will be back up.                                          
     1403  LA reports clear skies.                                              
     1413  BR reports broken low clouds.                                        
     1417  KP communications back up.                                           
     1435  HN has power back, restarting observing.                             
     1436 *Raining at HN.                                                       
     1507  OV reports clear skies.                                              
     1529  KP reports clear skies.                                              
1540-1551 *SC AZ#1 armature/electronics CB fault. Doesn't clear  20210  100   11
           in Standby mode, probably blown fuse. Site tech                      
           reports a power glitch occured at the same time.                     
     1542 %High wind gusts at PT.                                               
     1659 %High wind gusts at FD.                                               
     1736  End.                                                                 


Downtime Summary:
	Total downtime : 385 min
	Percentage downtime of observing: 6.4%
	Average downtime per hour : 3.8 min

    Total scheduled observing time (# Antennas): 6000 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.