VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BB041C Observer: T. Beasley Project type: VLBA Obs filename: bb041ccrd.* Date/Day: 1996FEB01/032 Ants Used: SC,HN,NL,FD,LA,PT,KP,OV,BR,MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Roy Heatwole. 1600 Begin file. 1600-1704 *KP not pointed. ACU checkout. ACU 100 64 1600-1755 *MK not pointed. Winds > 55mph. WEA 100 115 1600-1609 *OV not pointed. ACU MCB problems. MCB 100 9 1600-1600 %PT high 4cm tsys. Snow in dish. WEA 50 720 1613 BR weather; Fog. No new snow. 1615-1617 *PT antenna auto-stowed. COM 100 2 1631 PT weather; Cloudy. 3 inch snow in .9 of dish. 1700-1704 *PT dumping snow. WEA 100 4 1714-1715 *PT antenna auto-stowed. COM 100 1 1825 %KP weather; Raining. 1836-1838 *PT antenna auto-stowed. COM 100 2 1941 MK weather; Clear and windy. 2045 Greg Monk operating. 2112-2116 *PT auto-stowed. COM 100 4 2122-2125 *FD az#1 armature over current. AELEC 100 3 2146 KP wea update: freezing rain, could change to snow, also fogged in. 2158 %LA snowing. 2158 %FD raining. 2225-2230 *FD az#1 armature over current. AELEC 100 5 2249 %FD snowing. 2352 BR wea: Clear blue skys. 2357 OV wea: Clear, cool and dry. 0000 Date is 1996FEB02/033. 0001 MK wea: Clear skys. 0155 %PT snowing. 0352-0408 &HN head stuck at -295.6, turned head to off. REC 100 16 0408 HN had a spare threaded on drive #2, mounted it and moved tape to good place to start. 0445 New operator is Brent Willoughby 0540-0543 *SC Rec. #1 vacuum loss. 15535 100 3 0713 MK Winds > 35mph 0800-0802 *NL Rotation motors foldback FRM 100 2 0808-0914 *NL Rotation stuck due to freezing conditions FRM 100 66 Will not go to commanded position, have to stop file until phase referencing portion of experiment is complete. 0914-1011 *NL Restarted file after finally getting F/R FRM 100 57 in 1cm position and then disabling the focus and rotation axis. This will keep the F/R in the 1cm position due to weather conditions 1011-1600 *NL Antenna stowed due to freezings temps. (-20 F) WEA 100 349 1112-1118 *BR Antenna autostowed AELEC 100 6 1155-1158 *BR Antenna autostowed AELEC 100 3 1216-1217 *BR Antenna autostowed AELEC 100 1 1227-1232 *BR Antenna autostowed AELEC 100 5 1234-1408 *BR Antenna autostowed due to temperature 15537 100 94 1245 New operator is Roy Heatwole. 0800-1600 *OV FRM focus not taking commands. MCB problem. 15536 100 480 1300 %MK weather; Wind gusts > 41mph. 1311 HN weather; Overcast. 1434 FD weather; Overcast with some ice. 1455-1458 *HN antenna autostowed. COM 100 3 1523 KP weather; Overcast with light drizzle. 1536 LA weather; Cloudy with 4" of snow. 25% dish covered 1550 OV weather; High thin cirrus. Dry. 1600 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