GTAC Observation Log 1. Date : 31/01/2020 2. Observation Sr. No. : 11853 3. Observer : Poonam, Tanmoy, Kuntal 4. Observer\'s Email : kuntal@aries.res.in, tanmoylaskar@gmail.com, poonam@ncra.tifr.res.in 5. Project Name : GRB 190829 6. Project Code : DDTC116 7. Operator(s) : Rupsing, Sachin, Shriram 8. Command File : /odisk/gtac/cmd/ddtc116/31jan2020.cmd 9. LTA File : /gsbifrdata1/31jan/ddtc116_31jan2020_gsb.lta, /gwbifrdata1/31jan/ddtc116_31jan2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC116.FLAGS.2 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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 591 591 540 540 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) : C11 : Structural repairing. C12 : Taken for FES E04 : FPS problem. W03 : Touch up painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 31 Jan 2020 16:00:00 - 31 Jan 2020 19:05:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 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 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : DDTC116 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 ----------------------------------------------------------------------- 16:00 : Started command file with flux cal. ----------------------------------------------------------------------- 16:15 : C12 released for observation. ----------------------------------------------------------------------- 16:58 : W03 released for observation. ----------------------------------------------------------------------- 17:40 : C11 released for observation. ----------------------------------------------------------------------- 18:46 : Stopped command file. ----------------------------------------------------------------------- 18:51 : Started scan on 3C48. ----------------------------------------------------------------------- 19:00 : Stopped scan and observation session over.