GTAC Observation Log 1. Date : 02/07/2017 2. Observation Sr. No. : 9538 3. Observer : Rajeshwari Dutta, Raghunathan Srianand, Neeraj Gupta 4. Observer's Email : rdutta@iucaa.in, anand@iucaa.in, ngupta@iucaa.in 5. Project Name : uGMRT search for OH absorption towards highly reddened quasars 6. Project Code : 32_050 7. Operator(s) : Deepak, Shilpa 8. Command File : /odisk/gtac/cmd/32_050/obs.cmd 9. LTA File : /gsbifrdata/02jul/32_050_02jul2017.lta 10. LogFlag File : /odisk/online1/logflags/32_050.FLAGS.1, /odisk/online1/logflags/32_050.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 722.51 MHz ,RF2 : 722.51 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 785 MHz, ILO2 : 785MHz , IVLO1 : 62.49 MHz, IVLO2 : 62.49 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_shivneri 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 : 137.51 28. LO5 -2 : 167.49 29. Frequency Parameters (TPA) : 722.51 722.51 785 785 62.49 62.49 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :22 32. Name of Non-Working Antennas (with reason for each) : W06 : servo problem C00,C08,E04,S01,S04,W04,W05 - old FE system 33. Note for Backup : 34. Start and End Time of Obs.(IST): 02 Jul 2017 11:40:00 - 02 Jul 2017 18:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :22 37. Comments (During Observations) : 11:53 : Started scan on 3C147 for 15mins. 12:10 : Started command file. 14:57 : W06 started working. 17:41 : Stopped command file. 17:43 : W06 servo problem. 17:44 : Started scan on 3C286. 18:00 : Stopped scan and observing session over.