GTAC Observation Log 1. Date : 11/12/2020 2. Observation Sr. No. : 12660 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) : Rupsing 8. Command File : /odisk/gtac/cmd/39_072/39_072_11Dec2020.cmd.txt 9. LTA File : /gsbifrdata1/11dec/39_072_11dec2020_gsb.lta.2, /gsbifrdata1/11dec/39_072_11dec2020_gsb.lta.1, /gsbifrdata1/11dec/39_072_11dec2020_gsb.lta, /gwbifrdata1/11dec/39_072_11dec2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/39_072.FLAGS.5, /odisk/online1/logflags/39_072.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 602 MHz ,RF2 : 602 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,OFF, IF-CH2 : 4+12 dB, 32 MHz,OFF 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 : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : Volt 23. ACQ BW : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 602 602 540 540 62 62 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. W04 : MCM time out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 11 Dec 2020 00:00:00 - 11 Dec 2020 03:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : Note : observation not happened due frequently unixhub.5 open(ONLINE) ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 39_072 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : IA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 32 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED --------------------------------------------------------------------- # 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 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W05 W06 Total=28 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W05 W06 Total=28 # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W05 W06 Total=28 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W05 W06 Total=28 ---------------------------------------------------------------------- # GSB GAC configuration is as follows : # BEAM-2:130 :: C00 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W05 W06 Total=27 # BEAM-2:175 :: C00 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W05 W06 Total=27 ------------------------------------------------------------------------ 00:20 : In GWB PPS mismatch(Frequently) ------------------------------------------------------------------------ 00:30 : Power eq and phasing done. ------------------------------------------------------------------------ 00:44 : Started command file. 00:50 : Stopped command file due to online problem. ----------------------------------------------------------------------- 01:00 : Online restarted. ----------------------------------------------------------------------- 01:19 : Restarted command file. ----------------------------------------------------------------------- 01:22 : Stopped command file due to online problem was frequently occur. ----------------------------------------------------------------------- 02:15 : Online now working fine 02:18 : Started command file. 03:00 : Stopped command file and observation session over.