VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BL104H Observer: A. Lobanov Project type: VLBA Obs filename: bl104hcrd.* Date/Day: 2002DEC29/363 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. *SC ACU sends out false antenna position errors 10325 which causes some good data to be flagged as bad. *Snow in dish likely at HN and BR. %High wind gusts at KP and MK. VCLOCK and gps delta okay. 1510 Begin. 1511 *BR formatter FIFO empty errors; only affects a few 10443 seconds of data. 1524 *BR formatter errors again. 10443 1525 *MK bad readbacks on track 32, drive #2. Readbacks at other sites okay. 1525-1527 *HN rotation position error. FRM 100 2 1530 *BR formatter errors again. 10443 1538 *FD bad readbacks on track 4, drive #1. Other sites okay. 1601 Readbacks okay. 1604 *BR formatter errors again. 10443 1618 *BR formatter errors again. 10443 1624 Readbacks okay. 1627 *BR formatter errors. 10443 1648 Readbacks okay. 1650 *BR formatter errors. 10443 1657-1658 *OV rotation position error. FRM 100 1 1704 *BR formatter errors. 10443 1705 %LA reports overcast skies. 1710-1716 *KP focus motor overspeed fault. FRM 100 6 1711 *FD bad readbacks on track 5. Other sites okay. 1712 *BR formatter errors. 10443 1713 SC reports clear skies. 1721-1739 *SC backup generator died, antenna autostowed. GEN 100 18 (Commercial power is out.) Tech is on site and investigating. 1734 *FD bad readbacks on track 4. Other sites okay. 1735 *BR formatter errors. 10443 1739 SC backup generator running again, site tech not sure why it shut down. 1748-1749 *SC autostowed, back on commercial power. COM 100 1 1757 *BR formatter errors. 10443 1808 %High wind gusts at PT. 1811 *BR formatter errors. 10443 1812 %OV reports cloudy skies. 1839 *BR formatter errors. 10443 1909 End. 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 = TP/SP x Tcal/2