VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BA026 Observer: Scott Aaron Project type: VLBA Obs filename: ba026crd.* Date/Day: 1997AUG12/224 Ants Used: SC HN NL FD LA PT OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 0000 Operator is Juan Cordova 0000 Begin observation 0000 HN WEA: Raining. 0000 FD Numerous FIFO errors during mode test 23035 0000 LA Numerous focus faults all frequencies 22946 0000 FD Dewpoint tracking/exceeding temp 23008 0000 PT Rec #1 vacuum loss 23027 0000 HN,PT,OV,SC IFD1 and IFD2 have high channel 2 total power readings. Interference may be the cause. 0012 Vclock OK at all sites. SC is -0.268 0031 MK WEA: thick cumulus over summit. 0120-0128 *PT auto stowed. COM 100 8 0129 Readbacks OK at all sites. 0156 LA,FD,NL,BR IFD1 and/or IFD2 channel 2 total power readings are higher. Interference may be the cause. 0243 NL BBC 3-8 USB switched power not within range. 0245 PT BBC 2,6,7 USB switched power not within range. 0245 LA BBC 7-8 USB switched power not withih range. 0248 HN,LA,PT,OV,BR,MK IFD1 and IFD2 have high channel 2 total power readings. Interference may be the cause. 0301 HN IFD1 and IFD2 have high channel 2 total power readings. 0314 PT BBC 4,2,6,7,8 USB swicthed power not within range 0315 MK BBC 1,3 USB switched power not within range. 0321 SC BBC 1,2 USB switched power not within range. 0338 NL IFD1 and IFD2 have high channel 2 total power readings. 0340 LA,OV IFD1 and IFD2 have high channel 2 total power readings. 0341 Readbacks OK at all sites. 0424 HN,SC IFD1 have high channel 2 total power readings. 0434 MK BBC 1,5,6 USB switched power not within range. 0444 NL BBC 8 USB switched power not within range. 0445 PT BBC 2,6 USB switched power not within range. 0454 LA,SC,MK.BR IFD1 and IFD2 channel 2 switched power not within range. 0506 Readbacks OK at all sites. 0542 PT BBC 2 USB switched power not within range. 0543 MK BBC 5,6 USB switched power not within range 0555 NL BBC 8,7 USB switched power not within range. 0606 Vclock OK at all sites. SC is -0.150 0704 LA,MK,BR IFD1 and IFD2 channel 2 switch power not within range 0707 SC BBC 1-5 USB switched power not within range. 0720 NL WEA: Raining 0724 Readbacks OK at all sites. 0804 MK,OV,LA,HN IFD2 channel 2 switch power not within r range. 0806 NL,LA,MK IFD1 channel 2 switch power not within range 0842-0855 *PT Rec #1 loss vacuum. 23027 100 13 Tape footage for PT was 9052 when vacuum loss occur. 0906 PT Forward to try and catchup with other tapes. PT tape footage is about 900 off from other tapes. 0906 Readbacks OK at all sites. 0915 LA,FD,HN,OV,MK IFD2 channel 2 switch power not within range. 0917 LA,MK IFD1 channel 2 switch powernot within range. 0925 NL BBC7 USB switched power not within range. 0933 Vclock OK at all sites. SC is -0.148 0942 MK IFD2 channel 2 switched power not within range. 0944 OV IFD2 channel 2 switched power not within range 0950 OV,MK,LA IFD1 channel 2 switch power not within range 0953 PT IFD1 channel 2 not within switch power range. 0955-0957 *PT Low tape sensor. REC 100 2 0959 PT Tape footage is caught up with other tapes. 1014 LA IFD1 and IFD2 channel 2 total power not within range. 1029 LA IFD1 channel 2 switch power not within range. 1047 Readbacks Ok at all sites. 1130 Operator is Mike Gutierrez vclock OK SC=-0.149 1134 Elevation low on eastern sites. 1140 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