GTAC Observation Log 1. Date : 29/05/2017 2. Observation Sr. No. : 9444 3. Observer : Neeraj Gupta, Raghunathan Srianand, Rajeshwari Dutta, Aditya JNHS 4. Observer's Email : ngupta@iucaa.in, anand@iucaa.in, rdutta@iucaa.in, adityaj@iucaa.in 5. Project Name : Blind search of HI 21-cm and OH 18-cm absorbers using uGMRT 6. Project Code : 32_082 7. Operator(s) : Deepak, Surender 8. Command File : /odisk/gtac/cmd/32_082/29may/obs.cmd 9. LTA File : /gwbifrdata1/29may/32_082_29may2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_082.FLAGS.11 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 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 : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1454 1454 1505 1505 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C14 : Structural repair. C08 : MCM time-out. W02 : No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 May 2017 19:00:00 - 29 May 2017 23:05:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1000 1000 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 32_082 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 128 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF -------------------------------- 19:00 : Started set-up. 19:13 : Started scan on 3C286 for ~ 13.1533 min. 19:30 : Started command file. 22:39 : Stopped command file. 22:52 : Started scan on 3C286. 23:02 : Stopped scan and observing session over.