GTAC Observation Log 1. Date : 01/12/2020 2. Observation Sr. No. : 12624 3. Observer : Yashwant Gupta, Shubham Singh, Kishalay De 4. Observer\'s Email : ygupta@ncra.tifr.res.in, ssingh@ncra.tifr.res.in, kde@caltech.edu 5. Project Name : Probing the microstructure emission properties of PSR B0950\\\\+08 with uGMRT 6. Project Code : 39_056 7. Operator(s) : Navnath 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/01dec/39_056_01dec2020_gsb.lta, /gwbifrdata1/01dec/39_056_01dec2020_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 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : Volt 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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 01 Dec 2020 01:00:00 - 01 Dec 2020 02:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :30 37. RFI Status : 38. Comments (During Observations) : GSB data : node35 and node36 : /mnt/b/gsbuser/39_056_01dec2020/* /mnt/c/gsbuser/39_056_01dec2020/* GWB data : gwbh7: /data4/gpuuser/39_056_data4_01dec2020/* ------------------------------------------------------- ------------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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 39_056 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 64 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 1 GPU_VLT_BIT : 16 GPU_ENV : 8 -------------------------------- :::::::::::::: /odisk/online1/INFO/gsb_gac.dat :::::::::::::: # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23 # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23 :::::::::::::: /odisk/online1/INFO/gwb_gac.dat :::::::::::::: # 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 S01 S02 S03 W01 W02 W03 W04 Total=23 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23 ---------------------------------------------------------------------- 00:58:21 : Started scan on 0837-198 for ~ 2.98634 min. : GSB and GWB Power eq done. 01:05:36 : Started scan on 0837-198 for ~ 1.50995 min. : Phasing done. 01:08:52 : Started scan on B0950+08 for ~ 10.3683 min. : 3 min test scan. 01:19:27 : Started scan on B0950+08 for ~ 40.09324 min. 02:00:00 : observation session over. -----------------------------------------------------------------------