GTAC Observation Log 1. Date : 02/03/2021 2. Observation Sr. No. : 12946 3. Observer : Ketan R Sand, Vishal R Gajjar, BHAL CHANDRA JOSHI, Varun Bhalerao, Gaurav Waratkar, Akash Anumarlapudi, Gayathri Raman 4. Observer\'s Email : ketansand@gmail.com, vishalg@berkeley.edu, bcj@ncra.tifr.res.in, varunb@iitb.ac.in, gauravwaratkar24@gmail.com, akashjanaki98@gmail.com, graman.sudha@gmail.com 5. Project Name : Low-frequency monitoring of periodically active FRB 180916 6. Project Code : 39_058 7. Operator(s) : Nilesh, Sachin 8. Command File : /data1/gtac/cmd/39_058/02mar/cmd1.py, /data1/gtac/cmd/39_058/02mar/cmd2.py, /data1/gtac/cmd/39_058/02mar/end_39_058_02mar.py 9. LTA File : /gwbifrdata1/02mar/39_058B_suba3_02mar2021_gwb.lta, /gwbifrdata1/02mar/39_058A_suba4_02mar2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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 : OFF 20. Stokes : Full_Stokes 21. Beam - 1 : OFF 22. Beam - 2 : PA 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) : 306 306 255 255 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E06 : Maintenance. W06 : Maintenance. E05 : Maintenance. S03 : No Fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 02 Mar 2021 10:00:00 - 02 Mar 2021 15:05:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :25 37. RFI Status : 38. Comments (During Observations) : 10:00 : Started settings. ------------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 : Total_Intensity GPU_SIDEBAND : -1 -1 GPU_RF3 : 1460 1460 GPU_DDCLO3 : 0.000000 0.000000 GPU_SB3 : -1 -1 GCODE3 : 39_058B GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 39_058A GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : VOLTAGE GPU_BEAM_3 : OFF GPU_BEAM_4 : PA GPU_BM_INT : 16 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 : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: Total=0 # BEAM-1:175 :: Total=0 # BEAM-2:130 :: C01 C02 C04 C06 C09 C10 C11 C12 C13 C14 Total=10 # BEAM-2:175 :: C01 C02 C04 C06 C09 C10 C11 C12 C13 C14 Total=10 # BEAM-3:130 :: Total=0 # BEAM-3:175 :: Total=0 # BEAM-4:130 :: C00 C05 E02 E03 E04 S01 S02 S04 W02 W04 Total=10 # BEAM-4:175 :: C00 C05 E02 E03 E04 S01 S02 S04 W02 W04 Total=10 10:20 : Started phasing on 3C48. 10:30 : Started command file. /data1/gtac/cmd/39_058/02mar/cmd1.py 11:10 : Started next command file. /data1/gtac/cmd/39_058/02mar/cmd2.py 14:30 : Started next command file. /data1/gtac/cmd/39_058/02mar/end_39_058_02mar.py 15:05 : Stopped command file and observation closed.