VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BC120DG
Observer:       Chatterjee, S.
Project type:   VLBA
Obs filename:   bc120dgcrd.*
Date/Day:       2004JAN22/022
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK 

=UT-Time===Comment===============================================MF#===%AD==AMD=
     1836  Start. Op. D. Medcalf.                                               
           vclock check and GPS delta okay.                                     
          %Raining at KP. Extensive snow coverage of dish. Fog.                 
1850-1910 *MK TSMPLOTs show high system temperature "spike" on   INT     25    5
           channels 7 & 8 at this time. Freq. 1683.99 MHz                       
           LCP (CH07) and RCP (CH08). Suspect RFI.                              
     1930  New operator: T. Perreault                                           
1940-2000 *SC TSMPLOTs show high system temperature "spike" on   INT     25    5
           channels 7 & 8 at this time. Freq. 1683.99 MHz                       
           LCP (CH07) and RCP (CH08). Suspect RFI.                              
2015-2019 *KP autostowed. Power glitch. Site tech                COM    100    4
           repointed. There was an EL#2 armature overcurrent                    
           error condition; cleared by momentarily disabling                    
           the EL axis.                                                         
     2037  End.                                                                 


Downtime Summary:
	Total downtime : 14 min
	Percentage downtime of observing: 1.2%
	Average downtime per hour : 0.7 min

    Total scheduled observing time (# Antennas): 1210 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.