GTAC Observation Log 1. Date : 06/09/2022 2. Observation Sr. No. : 14584 3. Observer : Devojyoti Kansabanik, Divya Oberoi, Soham Dey 4. Observer\'s Email : dkansabanik@ncra.tifr.res.in, div@ncra.tifr.res.in, sdey@ncra.tifr.res.in 5. Project Name : Polarization observation of the Sun using uGMRT and MWA 6. Project Code : 42_028 7. Operator(s) : Pramod 8. Command File : /data1/gtac/cmd/42_028/42_028_06Sep2022_0800_cmd.py 9. LTA File : /gwbifrdata1/06sep/42_028_06sep2022_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : Full_Stokes 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 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 156 156 218 218 62 62 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :23 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C08 : Servo problem S03 : Servo problem C02 : Feed is not rotating C13 : RF is not getting set. E05 : RF is not getting set. W06 : RF setting problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 06 Sep 2022 09:00:00 - 06 Sep 2022 11:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :23 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 2 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 300 300 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 42_028 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : IA GPU_BEAM_3 : PA GPU_BEAM_4 : OFF 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_WALSH : OFF GPU_ENV : RELEASED -------------------------------- # GWB GAC configuration is as follows : # BEAM-2:130 :: C00 C01 C04 C05 C06 C09 C10 C11 C12 C14 E02 E03 E04 E06 S01 S02 S04 S06 W01 W02 W03 W04 W05 Total=23 # BEAM-2:175 :: C00 C01 C04 C05 C06 C09 C10 C11 C12 C14 E02 E03 E04 E06 S01 S02 S04 S06 W01 W02 W03 W04 W05 Total=23 # BEAM-3:130 :: C00 C01 C04 C05 C06 C09 C10 C11 C12 C14 E02 E03 E04 S01 S02 W01 W02 W03 Total=18 # BEAM-3:175 :: C00 C01 C04 C05 C06 C09 C10 C11 C12 C14 E02 E03 E04 S01 S02 W01 W02 W03 Total=18 07:30 : Started set up. 08:00 : Started command file. \'/data1/gtac/cmd/42_028/42_028_06Sep2022_0800_cmd.py\' 11:05 : Stopped command file and observation session is over.