GTAC Observation Log 1. Date : 03/12/2016 2. Observation Sr. No. : 9034 3. Observer : Rajeshwari Dutta, Neeraj Gupta, Raghunathan Srianand 4. Observer's Email : rdutta@iucaa.in, ngupta@iucaa.in, anand@iucaa.in 5. Project Name : Probing small-scale structures in the extended HI disk of a z~0.02 galaxy 6. Project Code : 31_081 7. Operator(s) : Deepak, Pramod, Shilpa 8. Command File : /odisk/gtac/cmd/31_081/obs.cmd 9. LTA File : /gsbifrdata/02dec/31_081_02dec2016.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2179, /odisk/online1/logflags/31_081.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1389.4701 MHz ,RF2 : 1389.4701 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1325 MHz, ILO2 : 1325MHz , IVLO1 : 64.4701 MHz, IVLO2 : 64.4701 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 6 MHz,ON, IF-CH2 : 4+14 dB, 6 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_lenyadri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 135.5299 28. LO5 -2 : 169.4701 29. Frequency Parameters (TPA) : 1389.4701 1389.4701 1325 1325 64.4701 64.4701 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : W02 : No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 02 Dec 2016 18:00:00 - 03 Dec 2016 02:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 18:00 : Started settings. 18:15 : Started scan on 3C48 for 10min. 18:36 : '/odisk/gtac/cmd/31_081/obs.cmd' command file started. 18:44 : W03 servo problem. 19:46 : C08 frequently getting reset. 21:26 : C08 started working. 21:33 : Stopped command file. 21:40 : Started scan on 3C48 for 10min. 21:54 : Restarted command file. 00:47 : Started scan on 3C48 for 10 min. 00:57 : Stopped scan and started scan on J0041-0143. 01:09 : Stopped scan. 01:15 : Started scan on 3C48. 01:35 : Stopped scan and observation session is over.