VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC071B Observer: J.Conway Project type: VLBA Obs filename: bc071bcrd.* Date/Day: 1997DEC24/358 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 0845 Begin file. Operator is J Nowicki Vclock okay. 0930-0931 *HN rotation position error. 24618 100 1 0930 Pt has bad readback tests on traks 12,31,32,33 0942-0947 *HN rotation position error. 24618 100 5 1006 *HN rotation position error. 24618 100 1 1102 *HN rotation error. 24618 100 1 1134 PT tape readbacks not good on tracks 32,33 1231-1232 *HN rotation error. 24618 100 1 1245 New operator is Juan Cordova 1306 MK Below elevation limits 1323 Vclock OK at all sites. SC is -0.155 1304 *Readbacks OK at all sites except PT tracks 20, 32 and 33 24354 1406 NL WEA: Freezing drizzle and then snow 1410 %LA WEA: Snowing 1422-1428 *HN FRM Rotation drive fault. 24618 100 6 1459-1500 *HN FRM Rotation drive fault. 24618 100 1 1508-1511 *HN FRM Rotation drive fault. 24618 100 3 1549-1558 *KP Antenna autostowed. AELEC 100 9 1554-1555 *HN FRM Rotation drive fault. 24618 100 1 1604 *Readbacks OK at all except PT trks 32 and 33 24354 1650 SC Below elevation limits. 1650-1654 *HN FRM Rotation drive fault. 24618 100 4 1655 HN Below elevation limits. 1722-1725 *HN FRM Rotation drive fault. 24618 100 3 1735 Readbacks OK at all sites except PT trks 12, 32 and 33 1821 NL Below elevation limits. 1841-1900 *KP Antenna autostowed. Power hit. COM 100 19 1850 %HN WEA: Snowing 1905 *Readbacks OK at all sites except PT trks 12, 17, 20, 32 and 33 24354 1918 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