GTAC Observation Log 1. Date : 24/09/2022 2. Observation Sr. No. : 14629 3. Observer : Sangita Kumari, Bhaswati Bhattacharyya, Devojyoti Kansabanik, Jayanta Roy 4. Observer\'s Email : skumari@ncra.tifr.res.in, bhaswati@ncra.tifr.res.in, dkansabanik@ncra.tifr.res.in, jroy@ncra.tifr.res.in 5. Project Name : Investigating variations of dispersion measure for the spider MSPs and its possible implications towards the timing studies 6. Project Code : 42_102 7. Operator(s) : Nilesh, Sachin, Surender 8. Command File : /data1/gtac/cmd/42_102/42_102_23Sep2022_1600_cmd.py 9. LTA File : /gsbifrdata/23sep/42_102b_23sep2022_subar2_gsb.lta, /gsbifrdata/23sep/42_102a_23sep2022_subar1_gsb.lta, /gwbifrdata/23sep/42_102b_23sep2022_subar2_gwb.lta, /gwbifrdata/23sep/42_102a_23sep2022_subar1_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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/TGC 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) : 591 591 540 540 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C11 : No Fringe. C10 : Feed Jammed. S02 : Mechanical work. W01 : No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Sep 2022 15:45:00 - 23 Sep 2022 23:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :25 37. RFI Status : 38. Comments (During Observations) : 15:45 : Started settings. ------------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 : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF1 : 500 500 GPU_DDCLO1 : 0.000000 0.000000 GPU_SB1 : -1 -1 GCODE1 : 42_102A GPU_RF2 : 550 550 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 42_102B GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : OFF GPU_BEAM_3 : PA 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_WALSH : OFF GPU_ENV : RELEASED -------------------------------- ------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 E02 E03 S01 W02 Total=11 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 E02 E03 S01 W02 Total=11 # BEAM-2:130 :: Total=0 # BEAM-2:175 :: Total=0 # BEAM-3:130 :: C09 C12 C13 C14 E04 E05 S03 S04 W03 W04 W05 Total=11 # BEAM-3:175 :: C09 C12 C13 C14 E04 E05 S03 S04 W03 W04 W05 Total=11 # BEAM-4:130 :: Total=0 # BEAM-4:175 :: Total=0 ------------------------------------------------------------------------- Pulsar DATA files: gwbh7:/data2/gpuuser/42_102A_23sep2022_data2/* gwbh9:/data4/gpuuser/42_102B_23sep2022_data4/* ------------------------------------------------------------------------- 16:13 : Started command file. /data1/gtac/cmd/42_102/42_102_23Sep2022_1600_cmd.py 16:35 : S02 released for observations. 00:00 : Stopped command file and observing session over. -------------------------------------------------------------------