VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BY013B Observer: T. York Project type: VLBA Obs filename: by013bcrd.* Date/Day: 2002DEC01/335 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Roy Heatwole. 0503 Begin file at all except SC. 0503-1257 *SC Antenna unusable. Bad ACU elevation encoder. 10223 100 474 0504 VCLOCK and GPS delta okay. 0555 Readbacks okay. 0655-0700 *FD End of tape. New tape not mounted. No data. HUERR 100 5 0658 Readbacks checked. BR Rec 1, tracks 2,4,7 and 9 bad. 0756 Readbacks checked. FD Rec 1, track 12 bad. 0836 PT Wea; Light rain. 0843-1010 *BR Rec 2 head out of position by .5 microns. 10208 Not enough to flag data. 0853 Readbacks okay. 0950 Readbacks checked. PT Rec 1, track 4 and MK Rec 1, track 5 bad. 1016 HN Wea; Wind gusts > 35 mph. 1053 Readbacks okay. 1153 Readbacks okay. 1249 Readbacks okay. 1257 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