GTAC Observation Log 1. Date : 01/03/2012 2. Observation Sr. No. : 5858 3. Observer : Jayaram Chengalur, Sambit Roychowdhury 4. Observer's Email : chengalu@ncra.tifr.res.in,sambit@ncra.tifr.res.in 5. Project Name : HI observations of extremely metal defficient dwarf galaxies in voids 6. Project Code : 21_049 7. Operator(s) : Deepak, Nilesh, Shilpa 8. Command File : /odisk/gtac/cmd/21_049/01mar_j0852.cmd 9. LTA File : /gsbifrdata/01mar/21_049_01mar2012.lta 10. LogFlag File : /odisk/online1/logflags/21_049.FLAGS.6 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1403.93 MHz ,RF2 : 1403.93 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1340 MHz, ILO2 : 1340 MHz , IVLO1 : 63.93 MHz, IVLO2 : 63.93 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : ON 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 16 MHz 21. Maximum Channels : 512 22. IFBW (MHz) : LO5 (KHz) : Custom :- 16 : 136.07 - 168.93 23. Final Bandwidth (MHz): 2 MHz; Step # 4 24. Frequency Parameters (TPA) : 1403.93 1403.93 1340 1340 63.93 63.93. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :28 27. Name of Non-Working Antennas (with reason for each) : W02 : No fringe. W03 : For painting. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 17:45 - 02:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 17:45 : Started settings. 17:55 : Started scan on 3C147. 18:10 : Stopped scan. 18:13 : '/odisk/gtac/cmd/21_049/01mar_j0852.cmd' command file started. 19:04 : W03 started working. 19:57 : W01 Frequent ABC time-out. 01:30 : E04 not pointed to source. 01:32 : E04 started working. 01:35 : Stopped command file. 01:36 : Started scan on 0745+101 for ~5min. 01:54 : Started scan on 3c286 for ~15min. 02:04 : Stopped observation session.