VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BR081A Observer: T. Rector Project type: VLBA Obs filename: br081acrd.* Date/Day: 2002DEC21/355 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. %SC ACU is generating false antenna position error 10325 messages, which flags some good data as bad. %High wind gusts at NL. VCLOCK okay. 0059 Begin at all sites except MK. 0100 *BR formatter FIFO empty errors; only affects a few 10358 seconds of data. 0105 Readbacks okay. 0106 Begin at MK. 0107 *BR formatter error again. 10358 0112 *BR formatter error again. 10358 0115 *BR formatter error again. 10358 0118 *BR formatter error again. 10358 0121 *BR formatter error again. 10358 0123-0611 *BR formatter error again; it's occuring on every 10358 3 8 scan so instead of a seperate entry for every further occurance I'm just going to charge a small amount of downtime to account for them. 0134 Readbacks okay. 0159 %BR formatter does not have FIFO errors occur on setup scans, only on the write scans. 0200 *SC bad readbacks on tracks 10 and 12, drive #2. *HN bad readbacks on tracks 28-33, drive #1. Other sites okay. 0221 %Raining at SC. 0228 Readbacks okay. 0253 Readbacks okay. 0322 Readbacks okay. 0348 Readbacks okay. 0417 Readbacks okay. 0443 *HN bad readbacks on tracks 27-33. Others okay. 0511 Readbacks okay. 0529 %High wind gusts at MK. 0537 Readbacks okay. 0549 %High wind gusts at PT. 0611 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