VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BA063B Observer: J. Alcolea Project type: VLBA Obs filename: ba063bcrd.* Date/Day: 2002DEC11/345 Ants Used: HN NL FD LA PT KP OV MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Paul Dyer. VCLOCK and GPS Delta are ok. 0549 Begin at all sites except MK, which joins later. 0641 New operator is Jim Ogle. 0654 Readbacks okay. 0747 Readbacks okay. 0808-0809 *HN rotation position error. FRM 100 1 0830 Readbacks okay. 0831 Begin at MK. 0841 Readbacks okay. 0844-0846 *HN rotation very slow getting to position. FRM 100 2 0900 Readbacks okay. 0936 Readbacks okay. 0940-0941 *HN rotation position error. FRM 100 1 1000-1001 *HN rotation position error. FRM 100 1 1021 Readbacks okay. 1025-1027 *HN rotation very slow getting to position. FRM 100 2 1053-1055 *HN rotation very slow getting to position. FRM 100 2 1117 Readbacks okay. 1127 Readbacks okay. 1120-1122 *HN rotation slow again. FRM 100 2 1140-1141 *MK high AZ motor currents, put antenna in standby AELEC 100 1 to see if it might reset things, but no good. 1148 Readbacks okay. 1220-1222 *HN rotation slow again. FRM 100 2 1228 Readbacks okay. 1230-1232 *HN rotation slow again. FRM 100 2 1246 Readbacks okay. 1315-1317 *HN rotation slow again. FRM 100 2 1322 Readbacks okay. 1323 *HN reports overcast skies, low clouds. 1335 Readbacks okay. 1336-1338 *HN rotation slow again. FRM 100 2 1346 Readbacks okay. 1410 PT reports scattered, high clouds. 1411 Readbacks okay. 1418 FD reports clear skies. 1442-1444 *HN rotation slow again. FRM 100 2 1450 New Op. D. Medcalf. 1457 KP wea: broken low clouds, dry. 1500 Webcam shows NL is looking through fog. HN has snow covering about 10% of the dish. 1504 All readbacks okay except FD2 track 32. 1508 LA wea: clear, dry. 1514 All readbacks okay. 1602 OV wea: clear, dry. 1558 All readbacks okay except FD2 track 33. 1626 All readbacks okay. 1705-1707 *HN rotation slow to get into position. FRM 100 2 1720 End at HN. 1721 All readbacks okay. 1721-1724 *PT autostowed. Reason unknown. COM 100 3 1723-1725 *OV rotation not in position. FRM 100 2 1731 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