GTAC Observation Log 1. Date : 21/05/2021 2. Observation Sr. No. : 13103 3. Observer : Dongzi Li, Visweshwar Ram Marthi, Robert Main, Robert Wharton, Hsiu-Hsien Lin, Tasha Gautam, Ue Li Pen, Shriharsh P. Tendulkar, Laura Spitler, Suryarao Bethapudi 4. Observer\'s Email : dzli@cita.utoronto.ca, vrmarthi@ncra.tifr.res.in, ramain@mpifr-bonn.mpg.de, wharton@mpifr-bonn.mpg.de, hhlin@cita.utoronto.ca, tgautam@mpifr-bonn.mpg.de, pen@cita.utoronto.ca, shriharsh@gmail.com, lspitler@mpifr-bonn.mpg.de, sbethapudi@mpifr-bonn.mpg.de 5. Project Name : Constraining models of the Repeating FRB 180916.J0158\\\\+65 with Polarization 6. Project Code : 40_106 7. Operator(s) : Rupsing 8. Command File : /data1/gtac/cmd/40_106/21may2021.py 9. LTA File : /gwbifrdata/21may/40_106_21may2021_gwb_b5.lta, /gwbifrdata1/21may/40_106_20may2021_gwb_b4.lta 10. LogFlag File : /odisk/online1/logflags/ ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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/TGC 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 May 2021 05:00:00 - 21 May 2021 08:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400 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 : SUBA3 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 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 : 128 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : ON GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED --------------------------------------------------------------------- 05:30 : Setup done for multisuarray(band5 and band4) 05:40 : Phasing on 3C48. --------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C04 C05 C06 C08 C10 E03 E04 S02 S04 S06 W02 W04 W06 Total=14 # BEAM-1:175 :: C00 C04 C05 C06 C08 C10 E03 E04 S02 S04 S06 W02 W04 W06 Total=14 # BEAM-2:130 :: C00 C04 C05 C06 C08 C10 E03 E04 S02 S04 S06 W02 W04 W06 Total=14 # BEAM-2:175 :: C00 C04 C05 C06 C08 C10 E03 E04 S02 S04 S06 W02 W04 W06 Total=14 # BEAM-3:130 :: C01 C02 C09 C11 C12 C13 C14 E02 E05 E06 S01 S03 W01 W03 W05 Total=15 # BEAM-3:175 :: C01 C02 C09 C11 C12 C13 C14 E02 E05 E06 S01 S03 W01 W03 W05 Total=15 # BEAM-4:130 :: C01 C02 C09 C11 C12 C13 C14 E02 E05 E06 S01 S03 W01 W03 W05 Total=15 # BEAM-4:175 :: C01 C02 C09 C11 C12 C13 C14 E02 E05 E06 S01 S03 W01 W03 W05 Total=15 ------------------------------------------------------------------------ 05:50 : Started command file ------------------------------------------------------------------------ 06:20 : Servo time out. ------------------------------------------------------------------------ 08:00 : Observation stopped.