VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BL111E Observer: M. Lister Project type: VLBA Obs filename: bl111ecrd.* Date/Day: 2003FEB05/036 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Paul Dyer. VCLOCK and GPS Delta check ok. 2254 Begin at all sites except SC. 2308 *PT WEA: Wind gusts > 35 mph. 2312-2343 *SC Not in point mode. HUERR 100 31 2319-2320 *HN EL #2 armature overcurrent fault. 10773 100 1 Disabled EL axis for a couple seconds to correct. 2319 All readbacks ok. 2339-2340 *HN EL #2 armature overcurrent again. 10773 100 1 0000 Date is 2003FEB06/037. 0017 All readbacks ok. 0035 All readbacks ok. 0045-0046 *HN EL #2 armature overcurrent again. 10773 100 1 0054 All readbacks ok. 0150 %SC Bad readbacks on drive 2, tracks 30 and 32. All others ok. 0224-0225 *HN EL #2 armature overcurrent again. 10773 100 1 0247-0248 *HN EL #2 armature overcurrent again. 10773 100 1 0246 All readbacks ok. 0255 All readbacks ok. 0304 All readbacks ok. 0320 *FD Bad readbacks on drive 2, tracks 2,4,6,and 8. All others ok. 0332-0333 *HN EL #2 armature overcurrent again. 10773 100 1 0346-0347 *HN EL #2 armature overcurrent again. 10773 100 1 0356-0357 *HN EL #2 armature overcurrent again. 10773 100 1 0419 All readbacks ok. 0436 All readbacks ok. 0455-0456 *HN EL #2 armature overcurrent again. 10773 100 1 0510-0511 *HN EL #2 armature overcurrent again. 10773 100 1 0525 All readbacks ok. 0550 All readbacks ok. 0614 *FD WEA: Wind gusts > 35mph. 0626 %SC Bad readback on drive 1, track 24. Others ok. 0631 New operator: T. Perreault 0637 %SC bad readback drive 1 track 24 10780 All others okay 0700 Readback check okay 0710 Readback check okay 0727 Readback check okay 0736 %SC bad readback drive 1 tracks 2-10,12,14,16,18,20 10780 23,25-33 All others okay 0753 Readback check okay 0803 Readback check okay 0812 %SC bad readback drive 1 tracks 2-6,8,10-13,15,17-30 10780 32 All others okay 0822 %SC bad readback drive 1 all tracks 10780 All others okay 0831 %SC bad readback drive 1 all tracks 10780 All others okay 0848 %SC bad readback drive 1 tracks 11,13 10780 All others okay 0913 Readback check okay 0921 Readback check okay 0930 Readback check okay 0938-0939 *HN EL#2 armature overcurrent condition - reset 10773 100 1 0946 Readback check okay 0952 SC wea: clear, no precipitation 0956 Readback check okay 1014-1015 *HN EL#2 armature overcurrent condition - reset 10773 100 1 1023 Readback check okay 1033 Readback check okay 1042 Readback check okay 1105 Readback check okay 1114-1116 *HN EL#2 armature overcurrent condition - reset 10773 100 2 1123 Readback check okay 1133 Readback check okay 1141-1142 *HN EL#2 armature overcurrent condition - reset 10773 100 1 1142 *OV bad readback drive 1 all tracks All others okay 1158 FD bad readback drive 1 track 5 All others okay 1207 Readback check okay 1225 Readback check okay 1236-1237 *HN EL#2 armature overcurrent condition - reset 10773 100 1 1237 Readback check okay 1238 %LA tape stopped at end of first forward pass, would TAPE not go in reverse. Did a REOBS, tape started writing. 1246 Readback check okay 1254 Readback check okay 1301-1303 *FD subreflector did not set up in rotation or FRM 100 2 focus. Did a MASTER CLEAR reset, let source change set up subreflector. 1309 HN wea: clear, no precipitation, ice in dish 1317-1319 *HN EL#2 armature overcurrent condition - reset 10773 100 2 1319 Readback check okay 1335-1337 *HN EL#2 armature overcurrent condition - reset 10773 100 2 1337 Readback check okay 1347-1348 *HN EL#2 armature overcurrent condition - reset 10773 100 1 1349 Readback check okay 1405 Readback check okay 1421 %PT bad readback drive 1 tracks 3,30,32 All others okay 1433 New Operator: Dave Pierce 1435 PT WEA: Clear, 1/2" new snow overnight. 1441 All readbacks are okay. 1452 KP WEA: Clear, no precip. 1455 LA WEA: Scattered low clouds, no precip. 1523 All readbacks are okay. 1530 BR WEA: Clear, dish is frosty. 1534 %SC bad readbacks drive 2,tracks 7,11,13. All other site readbacks are okay. 1543 All readbacks are okay. 1556 OV WEA: Clear, dry, no precip. 1610-1626 *HN Working on El over current problem. 10773 100 16 1627 All readbacks are okay. 1725 All readbacks are okay. 1736 %FD bad readback drive 1, track 5. All other site readbacks are okay. 1744 All readbacks are okay. 1812 %NL bad readback on drive 1, track 33. All other site readbacks are okay. 1815-1852 *HN Working on El over current problem. 10773 100 37 1849-1936 *OV Az #1 overcurrent, checking fuse. ACU 100 47 Replaced tachometer on Az #2 motor. 1857 All readbacks are okay. 1904-1912 *HN still chasing El overcurrent problem. 10773 100 8 1908 MK WEA: Clear, winds gusting westerly. 1923 All readbacks okay except FD1 track 5. 1941 All readbacks okay. 2027 %NL bad readbacks on drive 1, tracks 32,33. All other site readbacks are okay. 2044 All readbacks are okay. 2112 All readbacks are okay. 2124 KP WEA: Clear, dry, no precip. 2146 All readbacks are okay. 2221 All readbacks are okay. 2229 MK Ended observation. 2255 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