GTAC Observation Log 1. Date : 19/06/2021 2. Observation Sr. No. : 13216 3. Observer : Divya Oberoi, Devojyoti Kansabanik, Jayanta Roy, Artem Setov, Valentin Lebedev 4. Observer\'s Email : div@ncra.tifr.res.in, dkansabanik@ncra.tifr.res.in, jroy@ncra.tifr.res.in, setov@iszf.irk.ru, lebedev@iszf.irk.ru 5. Project Name : Observing radar pulse echoes from the Sun with the uGMRT 6. Project Code : ddtC191 7. Operator(s) : Sachin, Shilpa, Shriram 8. Command File : /data1/gtac/cmd/devjyoti/ddtc191_19jun/cal.py,, /data1/gtac/cmd/devjyoti/ddtc191_19jun/ddtc191_cal_noatt.py,, /data1/gtac/cmd/devjyoti/ddtc191_19jun/ddtc191_sun.py 9. LTA File : /gwbifrdata2/19jun/ddtc191_19jun2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 166 MHz ,RF2 : 166 MHz, SA1 : 30 dB, SA2 : 30 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 228 MHz, ILO2 : 228MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 16 MHz,OFF, IF-CH2 : 24+4 dB, 16 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1_shivneri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : TGC 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 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 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 166 166 228 228 62 62 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C05 : NO fringe at 130 pol. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Jun 2021 08:30:00 - 19 Jun 2021 12:30:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : Pulsar Data Files on :- GWBH7 : /data5/gpuuser/DDTC191_data5_19jun2021/* GWBH8 : /data5/gpuuser/DDTC191_data5_19jun2021/* ------------GWB Setting-------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 100 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 100 100 GPU_DDCLO4 : 0.000000 0.000000 GPU_SB4 : 1 1 GCODE4 : DDTC191 GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : IA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 4 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 :: 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 W04 W05 W06 Total=29 # BEAM-1:175 :: Total=0 # BEAM-2:130 :: Total=0 # 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 W04 W05 W06 Total=29 -------------------------------------------------------------------------- 08:30 : Started settings for GSB. 08:55 : Power equalized on SUN19JUN @ 300 counts for GSB. 09:00 : Halted GSB and started raw voltage recording for GSB. -------------------------------------------------------------------------- 09:00 : Started settings for GWB. 09:30 : BW : 100 MHz, Channels : 1K, DDC : ON, Decimation factor : 4, Beam : IA-IA-OFF-OFF, Beamint : 4 Configuration not possible in GWB. 09:40 : Restarted GWB with BW : 100 MHz, Channels : 2K, DDC : OFF, Beam : IA-IA-OFF-OFF, Beamint : 4. 09:55 : Power equalized on SUN19JUN @ 150 counts for GWB. 10:00 : \'/data1/gtac/cmd/devjyoti/ddtc191_19jun/cal.py\' command file started. 10:00 : Stopped command file. 10:15 : \'/data1/gtac/cmd/devjyoti/ddtc191_19jun/ddtc191_cal_noatt.py\' command file started. 10:27 : Stopped command file. 10:33 : C05 removed from GAC, 30db attenuation not set. 10:35 : \'/data1/gtac/cmd/devjyoti/ddtc191_19jun/ddtc191_sun.py\' command file started. 12:16 : Command file stopepd. 12:24 : Scan started on 3C147~5 min. 12:30 : Scan stopped and observation session over.