GTAC Observation Log 1. Date : 05/12/2008 2. Observation Sr. No. : 4072 3. Observer : Somak Raychaudhury 4. Observer's Email : somak@star.sr.bham.ac.uk,j.h.croston@herts.ac.uk 5. Project Name : REXCESS 6. Project Code : 15JHC01 7. Operator(s) : Jayprakash, Manisha, Navanath, Rupsingh, Shilpa 8. Command File : /odisk/gtac/cmd/15jhc01/5dec_lst07.cmd, /odisk/gtac/cmd/15jhc01/5dec_lst11.cmd 9. LTA File : /rawdata/5dec/15jhc01_05dec2008.lta, /rawdata1/5dec/15jhc01_05dec2008.ltb 10. LogFlag File : /btemp2/logflags/15JHC01.FLAGS ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 614 MHz ,RF2 : 244 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 680 MHz, ILO2 : 310 MHz, IVLO1 : 66 MHz, IVLO2 : 66 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 6 MHz,ON 14. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 614 244 680 310 66 66 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :27 20. Name of Non-Working Antennas (with reason for each) : C05 : 175 no fringe. S01 : 175 no fringe. C13 : Unstable fringe. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 00:51 - 11:09 23. Comments (During Observations) : ------------------------------------------- ******** ONLINE Machine : Bhaskar ********* ******** Corr Mode : IndianPolar ********* -------------------------------------------- 00:51 : Started scan on 3C48. 01:02 : Stopped scan. 01:21 : '/odisk/gtac/cmd/15jhc01/5dec_lst07.cmd' command file started. E02 : Not tracking properly. 05:33 : Stopped command file. 05:43 : Started scan on 3C286. C05 : No fringe at both 130 and 175 pol. 05:54 : Stopped scan. 06:05 : '/odisk/gtac/cmd/15jhc01/5dec_lst11.cmd' command file started. 08:00 : E03 abc reset for 08:30 : C04 parked for painting. 10:00 : C05 parked for painting. 10:37 : E-arm power failure. 10:41 : Started scan 3c286 for 10min. 10:50 : E-arm back in observation. 11:09 : Observation session over.