VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BN022E Observer: N. Nagar Project type: VLBA Obs filename: bn022ecrd.* Date/Day: 2003FEB26/057 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 1518 Start. Op. D. Medcalf. vclock and GPS delta okay. KP wea: overcast, fog, dish is wet. LA wea: foggy, 1/2 inch snow on ground. 1518-1549 *PT has elevation brake fault. Is about 3 deg. off 10941 100 31 in pointing. Site tech checking. 1522 BR wea: high, scattered clouds, dry. From webcams: SC, FD partly cloudy, HN, NL, OV, PT clear. PT occasionally shows precipitation - site tech says there is ice over everything. 1600-1645 *PT not moving in elevation. No error messages. 10941 100 45 Seems to just be ignoring commands. Site tech checking. Start time approximate. 1611 KP wea: overcast, low clouds, mixed sleet and snow. 1653 All readbacks okay. 1732 All readbacks okay. 1858-1925 *PT is 20 degrees off in elevation. Site tech 10941 100 27 checking. Problem appears to be a "Manual" switch on the ACU computer. Start time unknown. 1910 Webcam shows LA wea. now partly cloudy with very low clouds. KP is still foggy. 1952 All readbacks okay. 2035 All readbacks okay. 2117 Readbacks okay except PT1 track 5. 2127 KP wea: fog. 2152-2228 *OV taken out of observation to restore generator 10770 100 36 power, which is necessary in case of a power outage. 2201 All readbacks okay. 2207 Now raining at PT. 2240 New Operator is Dave Pierce. 2244 All readbacks okay. 2248 LA Raining\snowing per webcam. 2327 All readbacks okay. 2355 OV WEA: Mostly clear, no precip. 0000 Date is 2003FEB27 / 058. 0018 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