GTAC Observation Log 1. Date : 30/08/2020 2. Observation Sr. No. : 12359 3. Observer : Nissim Kanekar, Jason X Prochaska, Jean-Pierre Macquart 4. Observer\'s Email : nkanekar@ncra.tifr.res.in, xavier@ucolick.org, J.Macquart@curtin.edu.au 5. Project Name : HI 21cm emission from the host galaxy of FRB 180916 6. Project Code : 38_081 7. Operator(s) : Deepak, Navnath, Nilesh, Sachin 8. Command File : /odisk/gtac/cmd/nissim/frb.cmd 9. LTA File : /gsbifrdata/29aug/38_081_29aug2020_gsb.lta, /gwbifrdata2/29aug/38_081_29aug2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_010.FLAGS.27 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1367.85 MHz ,RF2 : 1367.85 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1305 MHz, ILO2 : 1305MHz , IVLO1 : 62.85 MHz, IVLO2 : 62.85 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 : 16.666666 MHz 24. Final BW : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137.15 28. LO5 -2 : 167.85 29. Frequency Parameters (TPA) : 1367.85 1367.85 1305 1305 62.85 62.85 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work 2020.1100 : S03 : Servo brakes 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Aug 2020 22:00:00 - 30 Aug 2020 10:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------GSB Setting--------- GSB_MODE : Realtime GSB_LTA : 8 GSB_ACQ_BW : 16.666666 GSB_FINAL_BW : 4 GSB_EDGE_FRQ : 1 GSB_CHAN_MAX : 512 GSB_CHAN_NUM : 0:511:1 GSB_STOKES : Total_Intensity GSB_CNTRL : ONLINE GSB_FSTOP : ON GSB_BEAM_1 : OFF GSB_BEAM_2 : OFF GSB_GAINEQ : ON GSB_BB_LO : 137.15:167.85 GSB_HOSTS : gsbm1_shivneri undefined : OFF undefined : 306 -------------------------------- ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 100.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF1 : 1460 1460 GPU_DDCLO1 : 0.0000 0.0000 GPU_SB1 : 1 1 GCODE1 : SUBA1 GPU_RF2 : 1200 1200 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : SUBA2 GPU_RF3 : 1460 1460 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : SUBA3 GPU_RF4 : 1330 1330 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 38_081 GPU_RF5 : 1060 1060 GPU_DDCLO5 : 0.0000 0.0000 GPU_SB5 : 1 1 GCODE5 : SUBA5 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : OFF GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24 # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24 # BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24 # BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24 # BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24 # BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=24 10:30 : Completed setup and started command file. 02:37 : S03 servo problem, removed from GAC. 02:40 : Restarted command file with a scan on 3C48. 07:50 : Started scan on 3C48 for ~ 6.97932 min. 09:57 : Started scan on J0157+7442 for ~ 6.71088 min. 10:05 : Observations session over. -----------------------------------------------------------------------