GTAC Observation Log 1. Date : 06/12/2008 2. Observation Sr. No. : 4074 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) : Navanath, Nilesh, Sachin, 8. Command File : /odisk/gtac/cmd/15jhc01/6dec_lst07.cmd, /odisk/gtac/cmd/15jhc01/6dec_11lst.cmd 9. LTA File : /rawdata/6dec/15jhc01_6dec2008.lta, /rawdata1/6dec/15jhc01_6dec2008.ltb 10. LogFlag File : /btemp2/logflags/15JHC01.FLAGS.2 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): 00:30 - 10:47 23. Comments (During Observations) : ------------------------------------------- ******** ONLINE Machine : Bhaskar ********* ******** Corr Mode : IndianPolar ********* -------------------------------------------- 00:45 : Started scan on 3C48 for 15 mins. 01:08 : Started command file. 02:00 : E04 started going off due to high wind. 03:00 : E04 started working. 05:39 : Stopped command file. 05:50 : Started scan on 3C286 for 15 mins. 06:09 : Started command file. 10:15 : Started scan on phase cal. 10:31 : Started scan on flux cal. 10:47 : Observation session over.