VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BR079C Observer: G. Lanyi Project type: VLBA Obs filename: br079ccrd.* Date/Day: 2002DEC26/360 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. %SC reports low clouds. *HN reports light snow on 50% of dish. WEA *LA reports snow covering about 20% of dish. WEA *PT reports about 2" snow over 85% of dish. WEA *KP reports ice and light snow over about 30% of WEA dish. %BR reports low scattered clouds. *SC ACU sends false antenna position error messages, 10325 which causes some good data to be flagged as bad. 1601 Begin. 1601-1557 *PT 1cm receiver is running slightly warm, 15K CRYO 25 359 stage is around 30K. 1602-1557 *BR formatter FIFO empty errors. Only affects a few 10443 5 71 seconds of data each occurance, but is occuring on most of the write scans. Instead of noting each individual occurance with a log entry a small amount of downtime is being charged for the timerange. 1604 %OV reports cloudy skies. 1605 Readbacks okay. 1609 %High wind gusts at HN. 1613 Readbacks okay. 1620 Readbacks okay. 1627 Readbacks okay. 1634 Readbacks okay. 1727 Readbacks okay. 1754 Readbacks okay. 1757-1800 *SC rotation position error. FRM 100 3 1829 Readbacks okay. 1856 BR wea: broken low clouds, dry. 1911 All readbacks okay. 1918 Readbacks okay. 1926 Readbacks okay. 1934 Readbacks okay. 1951-1953 *OV rotation position error. FRM 100 2 1953-2002 %Netmon software from AOC crashed, monitor data SW 1000 90 from sites may have been lost. 2012-2018 *BR formatter turned off, site techs are swapping 10443 100 6 boards in an attempt to fix it. 2016 Readbacks okay. 2021 *BR formatter still having its FIFO empty errors. 10443 2022-2025 *PT autostowed, commercial power glitch. COM 100 3 2029-2034 *BR formatter off again. 10443 100 5 2034-2035 *MK rotation position error. FRM 100 1 2123-2125 *MK autostowed, site techs are replacing a power 10444 100 2 supply in the weather station which triggered a stow command. 2126-2128 *OV rotation position error. FRM 100 2 2133 %MK weather station reporting a very large incorrect 10444 value for rainfall, caused by the power supply being replaced. Cleared the value. 2136 %KP reports clear skies, ice on 20% of dish. 2217 *BR bad readbacks on track 9, drive #1. Other sites okay. 2227 New operator: T. Perreault 2247 Readback check okay 2315 Readback check okay 2329 *BR bad readback drive 1 tracks 15,17,19,21 All others okay 2337 *BR bad readback drive 1 tracks 2,4,27,29,30,32 All others okay 2345 OV wea: partly cloudy, no precipitation 0000 Date is 2002DEC27/361. 0007 Readback check okay 0019 Readback check okay 0059 Readback check okay 0121 Readback check okay 0343 Readback check okay 0451-0452 *KP put into STANDBY to clear EL#2 armature over ACU 100 1 current condition. Repointed. 0506 Readback check okay 0532 Readback check okay 0554 Readback check okay 0621 Readback check okay 0637 Readback check okay 0640 New operator is K. Jakischa. 0800 *Readbacks okay except FD drive 1 track 4. 0830 *Readbacks okay except FD drive 1 track 4. 0939 All readbacks okay. 1042 All readbacks okay. 1126 All readbacks okay. 1219 SC Wea: Clear skies, no precip. 1332-1334 *MK Rotation drive fault. FRM 100 2 1336 All readbacks okay. 1340 *BR Wea: Snowing. 1415-1417 *MK rotation drive fault. FRM 100 2 1433 All readbacks okay. 1446 New operator is Jim Ogle. 1459-1502 *MK autostowed, commercial power glitch. COM 100 3 1501 KP reports clear skies. 1507 Dumping snow at BR during a setup scan. 1508-1509 *BR snow dump not completed by start of write scan. WEA 100 1 1516 HN reports clear skies. 1537 %OV reports cloudy skies. 1557 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