GTAC Observation Log 1. Date : 24/07/2021 2. Observation Sr. No. : 13328 3. Observer : Bhaswati Bhattacharyya, Jayanta Roy, Paul Ray, Tyrel J. Johnson, Dale A Frail, Yashwant Gupta, Dipankar Bhattacharya, Elizabeth Ferrara, Toby Burnett, Jayaram Narayanan Chengalur, Soham Dey 4. Observer\'s Email : bhaswati@ncra.tifr.res.in, jroy@ncra.tifr.res.in, paul.ray@nrl.navy.mil, tyrel.j.johnson@gmail.com, dfrail@nrao.edu, ygupta@ncra.tifr.res.in, dipankar@iucaa.in, elizabeth.c.ferrara@nasa.gov, tburnett@uw.edu, chengalur@ncra.tifr.res.in, sdey@ncra.tifr.res.in 5. Project Name : Fermi directed searches of millisecond pulsations with the upgraded GMRT 6. Project Code : 40_069 7. Operator(s) : Deepak, Rupsing, Sachin, Shilpa, Shriram 8. Command File : /data1/gtac/cmd/bhaswati/24jul.py 9. LTA File : /gsbifrdata1/24jul/40_069_24jul2021_gsb.lta, /gwbifrdata/24jul/40_069_24jul2021_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 : 20+10 dB, 32 MHz,OFF, IF-CH2 : 20+10 dB, 32 MHz,OFF 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 : 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) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C06 : Low fringe. S04 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 Jul 2021 09:00:00 - 24 Jul 2021 17:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 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 : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 725 725 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : PA GPU_BEAM_3 : OFF 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 : 8 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : TRIAL ------------------------------------------------------------------------ # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27 # BEAM-1:175 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27 # BEAM-2:130 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 W01 W02 W03 W04 W05 Total=24 # BEAM-2:175 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 W01 W02 W03 W04 W05 Total=24 ----------------------------------------------------------------------- # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27 # BEAM-1:175 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27 ----------------------------------------------------------------------- 09:30 : Setup done. ----------------------------------------------------------------------- 09:35 : Phasing on 3C147(only GWB) ----------------------------------------------------------------------- 09:38 : GSB+GWB haltndas due to setup change(beam bits IA/PA=8) ----------------------------------------------------------------------- 09:42 : Restarted GSB+GWB corrlater. ----------------------------------------------------------------------- 09:45 : Phasing on 3C147. ----------------------------------------------------------------------- 09:53 : Started command file ----------------------------------------------------------------------- 14:30 : W02 LMC down ----------------------------------------------------------------------- 15:35 : 504N-1119 source not done as source was set at 14:52. ------------------------------------------------------------------------ 16:26 : W02 started working. 17:01 : Command file stopped and observing session over. --------------------------------------------------------------------------