GTAC Observation Log 1. Date : 05/01/2021 2. Observation Sr. No. : 12769 3. Observer : Ayan Biswas, Poonam Chandra 4. Observer\'s Email : ayan.scc2@gmail.com, poonam@ncra.tifr.res.in 5. Project Name : Epsilon Lupi- Looking Into the Unique Doubly-magnetic Massive Binary System 6. Project Code : 39_086 7. Operator(s) : Manisha, Pramod 8. Command File : /data1/gtac/cmd/39_086/39_086_05jan21.py 9. LTA File : /gsbifrdata/05jan/39_086_band5_05jan2020_gsb.lta, /gsbifrdata/05jan/39_086_band5_05jan2020_gsb.lta, /gsbifrdata1/05jan/39_086_band4_05jan2020_gsb.lta, /gsbifrdata1/05jan/39_086_band4_05jan2020_gsb.lta, /gwbifrdata1/05jan/39_086_band5_05jan2021_gwb.lta, /gwbifrdata1/05jan/39_086_band5_05jan2021_gwb.lta, /gwbifrdata2/05jan/39_086_band4_05jan2021_gwb.lta, /gwbifrdata2/05jan/39_086_band4_05jan2021_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 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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C08,C09 and E06 : MCM 14 time out 33. Note for Backup : 34. Start and End Time of Obs.(IST): 05 Jan 2021 07:00:00 - 05 Jan 2021 12:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : 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,4 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 07:00 : Started set up. 07:00 to 07:30 : Split sub-array and set up done for both sub-array. 07:30 to 07:45 : Started Corrector.But agn1 hung.Hence restarted agn1. 07:45 to 08:22 : Restarted agn1 and restarted correlator. 08:22 : Started scan on 3C286. 08:30 : Stopped scan and started command file. \'/data1/gtac/cmd/39_086/39_086_05jan21.py\' 10:21 : C09 problem solved and hence taken for observation. 10:21 : E02 taken for painting. 11:10 : C08 and E06 problem solved and hence taken for observation. 11:42 : Stopped command file. 11:49 : Started scan on 3C286. 11:57 : Stopped scan and observation session is over.