GTAC Observation Log 1. Date : 03/09/2019 2. Observation Sr. No. : 11395 3. Observer : Kuntal Misra, Martin Blazek, Michael Bremer, Luca Izzo, David Alexander Kann, Resmi Lekshmi, Michal Jerzy Michalowski, Daniel Perley, Ruben Sanchez Ramirez, Steve Schulze, Christina Thoene, Antonio deUgartePostigo 4. Observer's Email : kuntal@aries.res.in, alf@iaa.es, bremer@iram.fr, luca.izzo@gmail.com, kann@iaa.es, l.resmi@gmail.com, mj.michalowski@gmail.com, d.a.perley@ljmu.ac.uk, ruben@sramirez.es, steve.schulze@weizmann.ac.il, cthoene@iaa.es, adeugartepostigo@gmail.com 5. Project Name : Continued monitoring of the brightest radio afterglow detected by GMRT 6. Project Code : 36_084 7. Operator(s) : Manisha, Nilesh, Sachin 8. Command File : /odisk/gtac/cmd/36_084/03sep19/obs.cmd 9. LTA File : /gsbifrdata/03sep/36_084_03sep2019_gsb.lta.2, /gwbifrdata/03sep/36_084_03sep2019_gwb.lta.2 10. LogFlag File : /odisk/online1/logflags/36_084.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C14 : Structral Repair work C11 : Painting S02 : No Fringe W03 : Intermittent fringe problems. C03 : Fringe fluctuations at GSB. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Sep 2019 14:00:00 - 03 Sep 2019 15:21:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status :Strong RFI seen around 370 MHz. 38. 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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 36_084 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 : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 14:00 : setup started 14:08 : started scan on 3c286 ~ 8mins 14:22 : command file started. 15:07 : Stopped command file. 15:12 : Started scan on 3C286 for ~ 8 min. 15:21 : Stopped scan and closed observations.