GTAC Observation Log 1. Date : 19/01/2022 2. Observation Sr. No. : 13873 3. Observer : Surajit Paul, Sameer Tanaji Salunkhe, PRATEEK GUPTA, Marina Ricci 4. Observer\'s Email : surajit@physics.unipune.ac.in, salunkhesameer1990@gmail.com, prateekgidolia@gmail.com, marina.ricci@lmu.de 5. Project Name : Discovering a radio halo and sub-micro Gauss magnetic field in the tiniest ever galaxy cluster using the uGMRT band 2 and 3 6. Project Code : ddtC215 7. Operator(s) : Shilpa, Shriram, Surender 8. Command File : /data1/gtac/cmd/ddtc215/19jan/obs.py 9. LTA File : /gsbifrdata1/19jan/ddtc215_19jan2022_gsb.lta, /gwbifrdata2/19jan/ddtc215_19jan2022_gwb_10s.lta, /gwbifrdata2/19jan/ddtc215_19jan2022_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 : TGC 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Full_Stokes 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C12 : 130 pol no fringe in GSB only. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Jan 2022 04:00:00 - 19 Jan 2022 09:25:00 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 : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTC215 GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : Voltage Detection GPU_BEAM_S : OFF GPU_PFB : ON GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED ------GWB RFI Filter Setting--------------------------------------------- FILTERED_SIGNALS: RFI_ALL # RFI_ALL=All signals filtered / RFI_CH1 =Channel 1 only / RFI_CH2=Channel 2 only EXTERNAL MEDIAN : 0 # integer value(-128 to 127 THRESHOLD VALUE : 4 # integer value(0 to 127) CONSTANT VALUE : 0 # integer value(-128 to 127) FILTERING OPTION: DIGITAL NOISE # BYPASS / CONSTANT=constant value is used / THRESHOLD / DIGITAL_NOISE DDC_STATUS : OFF # DDC = ON/OFF -------------------------------------------------------------------------- 04:00 : Started set-up. 04:16 : Started command file. /data1/gtac/cmd/ddtc215/19jan/obs.py 09:25 : Command file stopped and observing session over.