VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC123AJ Observer: Chatterjee, S. Project type: VLBA Obs filename: bc123ajcrd.* Date/Day: 2002OCT13/286 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 2243 Begin file. VCLOCK check ok. MK at -0.412 (ping 1.132 seconds) Operator: T. Perreault 2243-2309 *OV head on recorder 2 is not moving into commanded 09850 100 26 position in reverse pass. Will wait to see if the problem corrects itself on the forward pass before I swap over to the tape on drive 1. 2309 OV head is not moving at all, stuck at 238.1 microns will call site tech to inform him of the problem. Switched over to recorder 1. 2324-2326 *FD autostowed. Power glitch. Repointed. COM 100 2 2332 HN contacted Doug Whiton, told him that I have not been able to reach Mark (oncall site tech) and that the tape on drive 2 needs to be mounted before the next program (BC081C) starts at 1 AM (his local time). He said that he will go to the site in a little bit. 2335 OV reached oncall tech Jim via cellphone. He will go to the site to see if he can get recorder 2 head to move. 2340-2346 %KP high system temperatures channels 1,3,5,7 INT 50 3 suspect RFI 2340-2352 %FD high system temperatures channels 1,3,5,7 INT 50 6 suspect RFI 2357-0029 %MK high system temperatures channels 7,8 INT 25 8 suspect RFI 0000 Date is 2002OCT14/287. 0005-0007 %FD high system temperature channel 3 INT 13 0 suspect RFI 0005-0007 %KP high system temperature channel 3 INT 13 0 suspect RFI 0007-0009 %KP high system temperatures channels 1,3,5,7 INT 50 1 suspect RFI 0010-0013 %FD high system temperatures channels 1,3,5,7 INT 50 1 suspect RFI 0014-0017 %FD high system temperature channel 3 INT 13 0 suspect RFI 0025 OV wea: cloudy, no precipitation Jim on site to check recorder 2 0035-0038 %FD high system temperature channel 3 INT 13 0 suspect RFI 0035-0038 %KP high system temperature channel 3 INT 13 0 suspect RFI 0044 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