VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BG121E Observer: D. Gabuzda Project type: VLBA Obs filename: bg121ecrd.* Date/Day: 2002AUG24/236 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Paul Dyer. VCLOCK is ok. 0724 Begin at all stations. 0724-0725 *BR 7mm Right FET is saturated. LCP Tsys 09236 16 230 will be very high. 0724 *NL Dew point sensor is faulty. Index of 09411 refraction will be affected. 0724 *MK WEA: Raining. 0810 All readbacks ok. 0913 All readbacks ok. 1002 %OV Bad readback on drive 1, track 03. 1052 All readbacks ok. 1218 SC WEA: Tech reports clear and dry. 1245 All readbacks ok. 1335 %LA Bad readback on drive 2, track 05. 1345 New operator is Roy Heatwole. 1406 Readbacks checked okay. 1457 Readbacks checked okay. 1551-1554 *PT Antenna auto stowed. Power glitch. COM 100 3 1645-2230 *MK FRM rotations not going to commanded positons. 09420 30 103 Numerous rotation drive faults. 1703 BR Wea; Thin scattered cirrus,dry. 1717-1721 *BR Antenna auto stowed. Power glitch. COM 100 4 1718 Readbacks checked okay. 1744-1750 *BR Antenna auto stowed. Weather station glitch. OTHER 100 6 1752 HN Wea; Overcast low clouds,light rain,wet. 1807 Readbacks checked okay. 1809-1819 *BR Antenna auto stowed. Weather station. OTHER 100 10 Loose wire in weather station. Temporarily fixed. 1901-1912 *BR Antenna auto stowed again. Weather station. OTHER 100 11 1929 Readbacks checked okay. 2032 Readbacks checked okay. 2122-2147 *BR Antenna auto stowed again. Weather station. OTHER 100 25 Site tech looking into problem again. 2151 Readbacks checked okay. 2227-2237 *BR Antenna auto stowed. OTHER 100 10 2327 Readbacks checked okay. 2332-0005 *BR Antenna auto stowed. Weather station again. OTHER 100 33 0000 Date is 2002AUG25/237. 0031 Readbacks checked okay. 0143 New operator is K. Jakischa. 0224 All readbacks okay. 0237-0238 *MK focus drive fault. FRM 100 1 0259-0303 *BR autostowed. Weather station. Repointed. OTHER 100 4 0346-0347 *MK focus drive fault. FRM 100 1 0359 All readbacks okay. 0402-0405 *BR autostowed again. Repointed. OTHER 100 3 0402-0404 #MK focus drive fault. FRM 100 2 0414-0416 *KP EL#2 armature over current. ACU 100 2 0418-0419 *MK focus drive fault. FRM 100 1 0432-0433 *MK focus drive fault. FRM 100 1 0525-0533 *PT Azimuth not able to get into position OTHER 100 8 before end of scan. 0553-0554 *KP focus motion analysis fault. FRM 100 1 0619 Readbacks okay except LA drive 2 track 22. 0715-0716 *KP focus motion analysis fault. FRM 100 1 0709 All readbacks okay. 0725 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