GTAC Observation Log 1. Date : 11/09/2020 2. Observation Sr. No. : 12400 3. Observer : Viral Parekh, Kshitij Thorat, Ruta Kale 4. Observer\'s Email : viral.iucaa@gmail.com, thorat.k@gmail.com, ruta@ncra.tifr.res.in 5. Project Name : Upgraded GMRT observations of bimodal cluster A2384 6. Project Code : 38_057 7. Operator(s) : Pramod, Shilpa, Shriram, Surender 8. Command File : /data1/gtac/cmd/38_057/obs.py 9. LTA File : /gsbifrdata1/10sep/38_057_10sep2020_gsb.lta, /gwbifrdata1/10sep/38_057_10sep2020_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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E06 : Low power at FE out put W01 : MCM 5 is continuous on. W03 : Feed jammed 33. Note for Backup : 34. Start and End Time of Obs.(IST): 10 Sep 2020 19:00:00 - 11 Sep 2020 03:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :25 37. RFI Status : 38. Comments (During Observations) : gsb_beam2_dataserver,node_34 bandmask,3 gpu_beam4_dataserver,gwbh10 GSB_LTA,8 GPU_FSTOP,1 GPU_PFB,0 GPU_FILRFI,0 GSB_CHAN_NUM,0:255:1 GSB_ACQ_BW,33.333333 GPU_BEAM_1,0:1 GSB_FINAL_BW,0 GPU_PFB_TAPS,16 GSB_ENV,1 gpu_ifr_dataserver,gwbh6 gpu_beam3_dataserver,gwbh9 GPU_CHAN_NUM,0:4095:1 GSB_HOSTS,0 GPU_BEAM_S,0 gsb_ifr_dataserver,gsbm4 GSB_STOKES,2 GPU_DDC,0 GSB_CNTRL,1 GPU_CNTRL,1 gpu_beam2_dataserver,gwbh8 GPU_GAINEQ,1 gsb_beam1_dataserver,node_33 GPU_EDGE_FRQ,0 GSB_BEAM_1,0:1 GPU_BM_INT,8 GSB_BEAM_2,0:1 GPU_BEAM_3,0:1 GPU_BEAM_2,0:4 GSB_FSTOP,1 GPU_CHAN_MAX,4096 GPU_BEAM_4,0:4 corrmask,8 GPU_ENV,1 antennamask,3fffffff GPU_HOSTS,2 GPU_MODE,0 GPU_STOKES,2 GSB_GAINEQ,1 GSB_CD_MODE,0 GSB_CHAN_MAX,256 GPU_TPA,0 GPU_ACQ_BW,400.0000 GPU_LTA,4 GSB_BB_LO,149000000.0:156000000.0 GSB_MODE,0 GPU_FINAL_BW,1 gpu_beam1_dataserver,gwbh7 GPU_BITS,4 ----------------------------- 18:10 : Started scan on 3C286. 18:45 : Stopped scan. 19:01 : Started command file. \'/data1/gtac/cmd/38_057/obs.py\' 19:01 : C08 applied AZ brake. 01:22 : Stopped command file. 01:31 : Scan no.19 Bad. 01:39 : Started scan on 3C147 ~15 min. 02:02 : Phase cal changed to 2146-154. Restarted command file. 02:38 : Stopped command file. 02:46 : Started scan on 3C147 ~13min. 03:00 : Scan stopped and observing session over. ------------------------------------------------------------------------