GTAC Observation Log 1. Date : 15/03/2021 2. Observation Sr. No. : 12985 3. Observer : Kuntal Misra, Martin Blazek, Michael Bremer, ANKUR GHOSH, 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, ghosh.ankur1994@gmail.com, 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 : 39_038 7. Operator(s) : Pramod 8. Command File : /data1/gtac/cmd/39_038/obs.py 9. LTA File : /gsbifrdata1/15mar/39_038_15mar2021_gsb.lta, /gwbifrdata1/15mar/39_038_15mar2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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/TGC 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) : 591 591 540 540 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C12 : Servo problem E06 : Servo problem 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Mar 2021 01:00:00 - 15 Mar 2021 02:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 39_038 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------- 01:00 : Started set up. 01:19 : Started scan on 3C286. 01:29 : Stopped scan and started command file. /data1/gtac/cmd/39_038/obs.py 02:02 : Stopped command file and observation session is over.