GTAC Observation Log 1. Date : 18/09/2020 2. Observation Sr. No. : 12434 3. Observer : Aditya Chowdhury, Nissim Kanekar, Jayaram Narayanan Chengalur 4. Observer\'s Email : chowdhury@ncra.tifr.res.in, nkanekar@ncra.tifr.res.in, chengalur@ncra.tifr.res.in 5. Project Name : %latex% The Atomic Hydrogen Content of Galaxies at $z \\\\\\\\approx 0.74-1.45$ 6. Project Code : 38_033 7. Operator(s) : Pramod, Shilpa, Shriram, Surender 8. Command File : /data1/gtac/cmd/38_033/deep2_41_1.py 9. LTA File : /gsbifrdata1/17sep/38_033_17sep2020_gsb.lta, /gwbifrdata1/17sep/38_033_17sep2020_gwb_10s.lta, /gwbifrdata2/17sep/38_033_17sep2020_gwb_1s.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 : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 2.0132 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 : Frequently getting reset W03 : Feed jammed W04 : Taken for mechanical work 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Sep 2020 22:00:00 - 18 Sep 2020 06:41:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :26 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,0:511:1 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,0:8191:1 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,16 GSB_BEAM_2,0:1 GPU_BEAM_3,0:1 GPU_BEAM_2,0:1 GSB_FSTOP,1 GPU_CHAN_MAX,8192 GPU_BEAM_4,1:1 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,512 GPU_TPA,0 GPU_ACQ_BW,400.0000 GPU_LTA,2 GSB_BB_LO,149000000.0:156000000.0 GSB_MODE,0 GPU_FINAL_BW,1 gpu_beam1_dataserver,gwbh7 GPU_BITS,4 ------------------------------ # GWB GAC configuration is as follows : # BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S04 S06 W01 W02 W05 W06 Total=26 # BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S04 S06 W01 W02 W05 W06 Total=26 ---------------------------------------------------------- 22:00:00 : Started set-up. 22:30:57 : Started command file. /data1/gtac/cmd/38_033/deep2_41_1.py 06:23:00 : Stopped command file. 06:25:40 : Started scan on 3C48 ~ 15 min. 06:41:40 : Scan stopped and observing session over. -------------------------------------------------------------------------