VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BL149AH
Observer:       Lister, M.
Project type:   VLBA
Obs filename:   bl149ahcrd.*
Date/Day:       2007DEC28/362
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Jim Ogle.                                                
           VCLOCK and gps delta checks okay.                                    
          %OV reports overcast skies.                                           
          *Snowing at BR, 3" of snow over most of dish.                         
           System temperatures are elevated.                                    
     0047  Begin.                                                               
     0437 *Raining at MK.                                                       
0515-0518 *Dumping snow at BR.                                   WEA    100    3
     0619 &PT tech called concerning very low vertex room                       
           temperatures, he's going to try and determine if                     
           there's any danger to the equipment.                                 
     0642  New Operator: Paul Padilla                                           
     0711 %SC Raining                                                           
0912-0916 *BR dumping snow.                                      WEA    100    4
1023-1025 *SC autostowed, power glitch?                          COM    100    2
     1036 *Precipitation at NL                                                  
1104-1105 *NL Communications lost with Mark5 temporarily         REC    100    1
1147-1222 *KP Communications lost with Mark5                     REC    100   35
           Attempted VME reboot: unsuccessful.                                  
           Attempted Mark5 reboot: unsuccessful.                                
           Attempted Chatterbox reset: successful.                              
1201-1204 *SC autostowed.                                        COM    100    3
1204-1206 *PT autostowed.                                        COM    100    2
     1404 %NL WEA: 2-3" fresh snow on dish, still snowing.                      
1441-1443 *KP autostowed.                                        COM    100    2
     1449  New operator is Betty Ragan.                                         
1452-1453 *BR dumping snow.                                                     
     1516 %HN tsys are high. Weather report shows clouds, with                  
           precipitation expected later in the day.                             
1655-2139 *PT removed from observation so the site tech can      21960  100  284
           work on the heating in the vertex room.                              
     1841 %BR has at least 3" of snow on 90% of the dish.                       
           Elevation motor currents are fairly high.                            
     1949 %MK reports light rain and low clouds moving over the                 
           summit area.                                                         
     2103  KP reports clear, dry weather.                                       
     2111 %NL reports 1-2" of snow over about 70% of the dish.                  
     2252  New operator is Jim Ogle.                                            
     2302 %OV reports overcats skies.                                           
     0000  Date is 2007DEC29/363.                                               
     0048  End.                                                                 


Downtime Summary:
	Total downtime : 336 min
	Percentage downtime of observing: 2.3%
	Average downtime per hour : 1.4 min

    Total scheduled observing time (# Antennas): 14410 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.