GTAC Observation Log 1. Date : 18/12/2020 2. Observation Sr. No. : 12693 3. Observer : Dougal Dobie, Poonam Chandra, Tara Murphy, David Kaplan 4. Observer\'s Email : ddob1600@uni.sydney.edu.au, poonam@ncra.tifr.res.in, tara.murphy@sydney.edu.au, kaplan@uwm.edu 5. Project Name : GMRT follow-up of an ASKAP transient 6. Project Code : ddtC160 7. Operator(s) : Deepak, Rupsing 8. Command File : /data1/gtac/cmd/ddtc160/obs_18dec.py 9. LTA File : /gsbifrdata1/18dec/ddtc160_18dec2020_gsb.lta, /gwbifrdata1/18dec/ddtc160_18dec2020_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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) : 1409 1409 1460 1460 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) : C03 : Mechanical Work. E06 : ALL MCM time out. W03 : MCM 14 time out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 18 Dec 2020 18:00:00 - 18 Dec 2020 22:35:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : Note : Observation delayed due to FPS and MCM problem. ------------------------------------------------------------------------- 19:10 : Pointing done. -------------------------------------------------------------------------- GPU_FSTOP,1 GPU_PFB,0 GPU_FILRFI,0 GPU_CNTRL,1 GPU_PFB_TAPS,16 GPU_CHAN_NUM,0:2047:1 GPU_BEAM_S,0 GPU_DDC,0 GPU_GAINEQ,1 GPU_EDGE_FRQ,0 GPU_BM_INT,8 GPU_BEAM_3,0:1 GPU_BEAM_2,0:1 GPU_BEAM_1,0:1 GPU_CHAN_MAX,2048 GPU_BEAM_4,0:1 GPU_ENV,1 GPU_HOSTS,2 GPU_MODE,0 GPU_STOKES,2 GPU_TPA,0 GPU_VLT_BIT,8 GPU_LTA,4 GPU_BEAM_BIT,16 GPU_FINAL_BW,1 GPU_ACQ_BW,400.0000 GPU_BITS,4 ------------------------------------------------------------------------- 19:25 : Setup done. 19:30 : Started scan on 3C48. 19:39 : Stopped scan. 19:49 : Started command file. 22:35 : Stopped command file and observation closed.