GTAC Observation Log 1. Date : 16/02/2020 2. Observation Sr. No. : 11900 3. Observer : Golam Mohiuddin Shaifullah, Caterina Tiburzi, Joris PW Verbiest, Krishnakumar MA, BHAL CHANDRA JOSHI, Manjari Bagchi, Shantanu Desai, Mayuresh Surnis, Periasamy K. Manoharan 4. Observer\'s Email : golam.shaifullah@gmail.com, 1984cat.ti@gmail.com, verbiest@physik.uni-bielefeld.de, kk.ambalappat@gmail.com, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, shntn05@gmail.com, mayuresh.surnis@mail.wvu.edu, mano@ncra.tifr.res.in 5. Project Name : Probing the Solar Wind with uGMRT and PSR J2145-0750 6. Project Code : 37_044 7. Operator(s) : Rupsing, Shilpa, Shriram 8. Command File : /odisk/gtac/cmd/37_044/16feb20/obs.cmd 9. LTA File : /gsbifrdata1/16feb/37_044_16feb2020_gsb.lta.1, /gsbifrdata1/16feb/37_044_16feb2020_gsb.lta, /gwbifrdata1/16feb/37_044_16feb2020_gwb.lta.1, /gwbifrdata1/16feb/37_044_16feb2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_044.FLAGS.6 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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 306 306 255 255 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) : E03 RFI 33. Note for Backup : 34. Start and End Time of Obs.(IST): 16 Feb 2020 08:25:00 - 16 Feb 2020 11:12:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : GWB Pulsar Data Files on GWBH7 : /data6/gpuuser/37_044_data6_16feb2020/* GWBH9 : /data6/gpuuser/37_044_data6_16feb2020/* ------------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 : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 37_044 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : OFF GPU_BEAM_3 : PA 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 -------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 W02 Total=19 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 W02 Total=19 # BEAM-3:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 W02 Total=19 # BEAM-3:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 W02 Total=19 -------------------------------------------------------------------------- 08:30 : Setup done. 08:37 : Started command file. /odisk/gtac/cmd/37_044/16feb20/obs.cmd -------------------------------------------------------------------------- 08:51 : Stopped command file due to less(1/2) data recorded in PA(beam3). -------------------------------------------------------------------------- 09:20 : Restarted GWB correlator but problem persisted. -------------------------------------------------------------------------- 09:29 : Restarted command file. 11:12 : Stopped command file and observing session over.