VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC173 Observer: Creel, Buckner Project type: VLBA Obs filename: bc173crd.* Date/Day: 2007AUG25/237 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Anthony Sowinski. UT1-UTC -0.16, gps delta and vclock okay. %Recent rain at FD. Webcam weather: stormy at PT and MK (and FD). %SC weather station providing untrustworthy data. 21000 *OV suffering from a large pointing offset error on 21078 sources between 55-65 degrees elevation. 2312 Begin. 2319 Begin at MK. 2323 %Rain at FD. 2328-2343 *PT Autostow after power glitch/surge due most COM 100 15 likely to thunderstorms in the area. 2349 %Raining at SC. 0000 Date is 2007AUG26/238. 0003-0010 *PT Autostow after another power glitch. COM 100 7 0021 %OV High winds. 0143 New operator is Jim Ogle. 0125-0149 *PT formatter HC1 and HC2 FIFO errors. 21159 100 24 0204-0210 *PT formatter HC1 FIFO errors. 21159 100 6 0229-0233 %PT formatter HC2 FIFO errors. Board 2 not used at 21159 100 4 this data rate so data shouldn't be affected. 0243-0244 %PT formatter HC2 FIFO errors again. 21159 100 1 0250-0251 %PT formatter HC2 FIFO errors again. 21159 100 1 0327-0329 *PT autostowed, commercial power glitch. Repointed. COM 100 2 0329 *Raining at HN. 0455-0456 *PT formatter HC1 FIFO errors, data affected. 21159 100 1 0458-0502 *PT HC1 and HC2 FIFO errors. 21159 100 4 0510-0511 *PT HC1 FIFO errors. 21159 100 1 0526-0529 *PT HC1 FIFO errors. 21159 100 3 0542-0543 %PT HC2 FIFO errors. 21159 100 1 0545-0546 *PT HC1 FIFO errors. 21159 100 1 0546-0548 %PT HC2 FIFO errors. 21159 100 2 0550-0552 %PT HC2 FIFO errors. 21159 100 2 0555-0556 *PT HC1 FIFO errors. 21159 100 1 0557-0558 %PT HC2 FIFO errors. 21159 100 1 0600-0601 *PT HC1 FIFO errors. Reconfigured the formatter, 21159 100 1 maybe that will have a longer lasting effect on the error conditions. 0608-0609 %PT HC2 FIFO errors. 21159 100 1 0620-0622 *PT HC1 FIFO errors. 21159 100 2 0625-0629 *PT HC1 FIFO errors. 21159 100 4 0631-0632 *PT HC1 FIFO errors. 21159 100 1 0632-0633 *PT HC1 FIFO errors. 21159 100 1 0634-0635 *PT HC1 FIFO errors. 21159 100 1 0638-0639 %PT HC2 FIFO errors. 21159 100 1 0642-0644 %PT HC2 FIFO errors. 21159 100 2 0646-0647 *PT HC1 FIFO errors. 21159 100 1 0651-0652 %PT HC2 FIFO errors. 21159 100 1 0653-0654 %PT HC2 FIFO errors. 21159 100 1 0654-0655 *PT HC1 FIFO errors. 21159 100 1 0702 *Raining at SC, if the weather station is to be believed. 0703-0706 *PT HC1 FIFO errors. 21159 100 3 0708-0709 *PT HC1 FIFO errors. 21159 100 1 0713 End. Downtime Summary: Total downtime : 99 min Percentage downtime of observing: 2.1% Average downtime per hour : 1.2 min Total scheduled observing time (# Antennas): 4810 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.