GTAC Observation Log 1. Date : 11/01/2021 2. Observation Sr. No. : 12796 3. Observer : Visweshwar Ram Marthi, Robert Main, Dongzi Li, Robert Wharton, Hsiu-Hsien Lin, Tasha Gautam, Ue Li Pen, Shriharsh P. Tendulkar 4. Observer\'s Email : vrmarthi@ncra.tifr.res.in, ramain@mpifr-bonn.mpg.de, dzli@cita.utoronto.ca, wharton@mpifr-bonn.mpg.de, hhlin@cita.utoronto.ca, tgautam@mpifr-bonn.mpg.de, pen@cita.utoronto.ca, shriharsh@gmail.com 5. Project Name : Periodic Monitoring of the Repeating FRB 180916.J0158\\\\+65 6. Project Code : 39_072 7. Operator(s) : Manisha, Navnath, Pramod, Sachin 8. Command File : /data1/gtac/cmd/39_072/39_072_11Jan2020.py 9. LTA File : /gsbifrdata/11jan/39_072b_11jan2021_b5_gsb.lta, /gsbifrdata/11jan/39_072a_11jan2021_b4_gsb.lta, /gwbifrdata/11jan/39_072b_11jan2021_b5_gwb.lta, /gwbifrdata/11jan/39_072a_11jan2021_b4_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1062 MHz ,RF2 : 1062 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1000 MHz, ILO2 : 1000MHz , IVLO1 : 62 MHz, IVLO2 : 62 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) : 1062 1062 1000 1000 62 62 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E02 : painting Work. W01 : Electrical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 11 Jan 2021 14:00:00 - 11 Jan 2021 17:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF3 : 550 550 GPU_DDCLO3 : 0.000000 0.000000 GPU_SB3 : 1 1 GCODE3 : 39_072A GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 39_072B GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : IA GPU_BEAM_3 : PA GPU_BEAM_4 : IA GPU_BM_INT : 32 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------- 14:00:00 : Started setup. 14:30:00 : Started Power eq on 3C48 for both GSB and GWB. 14:45:00 : Phasing done on 3C48. # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S04 S06 W02 W04 W06 Total=14 # BEAM-1:175 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S04 S06 W02 W04 W06 Total=14 # BEAM-2:130 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S04 S06 W02 W04 W06 Total=14 # BEAM-2:175 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S04 S06 W02 W04 W06 Total=14 ------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C01 C02 C09 C11 C12 C13 C14 E04 S01 S03 W03 W05 Total=12 # BEAM-1:175 :: C01 C02 C09 C11 C12 C13 C14 E04 S01 S03 W03 W05 Total=12 # BEAM-2:130 :: C01 C02 C09 C11 C12 C13 C14 E04 S01 S03 W03 W05 Total=12 # BEAM-2:175 :: C01 C02 C09 C11 C12 C13 C14 E04 S01 S03 W03 W05 Total=12 # BEAM-3:130 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S04 S06 W02 W04 W06 Total=14 # BEAM-3:175 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S04 S06 W02 W04 W06 Total=14 # BEAM-4:130 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S04 S06 W02 W04 W06 Total=14 # BEAM-4:175 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S04 S06 W02 W04 W06 Total=14 -------------------------------------------------------------------------- 15:00:27 : Started scan on 3C48 for ~ 4.16075 min. 15:05:30 : Started scan on 3C48 for ~ 2.68435 min. 15:12:50 : Started scan on 0217+738 for ~ 4.29496 min. 15:17:54 : Started scan on 0217+738 for ~ 0.53687 min. 15:25 : GSB PA voltage recording didn\'t start.Hence stopped command file.(Shared memory problem) 15:30 : Restarted command file. /data1/gtac/cmd/39_072/39_072_11Jan2020.py NOTE : gwbh10 (Beam4) recording didn\'t start. 17:45 : Stopped command file. 17:45 to 18:00 : Phasing and recording done on B0329+54. 18:00 to 18:10 : Recorded data +5deg dec on B0329+54. 18:10 : Stopped scan and observation session is over.