GTAC Observation Log 1. Date : 01/02/2022 2. Observation Sr. No. : 13911 3. Observer : Shubham Singh, Jayanta Roy, Bhaswati Bhattacharyya, Shyam Sunder 4. Observer\'s Email : ssingh@ncra.tifr.res.in, jroy@ncra.tifr.res.in, bhaswati@ncra.tifr.res.in, ssunder@ncra.tifr.res.in 5. Project Name : Localisation and polarisation study of newly discovered long period pulsars with ultra-narrow pulse 6. Project Code : ddtC200 7. Operator(s) : Rupsing 8. Command File : /data1/gtac/cmd/jroy/ddtC200_1feb.py 9. LTA File : /gwbifrdata/01feb/ddtc200_01feb2022_gwb.lta.1, /gwbifrdata/01feb/ddtc200_01feb2022_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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C09 : Painting. C11 : servo problem. C12 : GAB problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 01 Feb 2022 10:00:00 - 01 Feb 2022 12:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :26 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 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : DDTC200 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : PA GPU_BEAM_3 : PA GPU_BEAM_4 : PA 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 ------------------------------------------------------------------ 10:05 : Power eq and phasing 1830-360 ------------------------------------------------------------------ # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C10 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=26 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C10 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=26 # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C10 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=18 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C10 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=18 # BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C10 C13 C14 Total=10 # BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C10 C13 C14 Total=10 # BEAM-4:130 :: C01 C02 C05 C06 C08 C10 Total=6 # BEAM-4:175 :: C01 C02 C05 C06 C08 C10 Total=6 ------------------------------------------------------------------------- 10:10 : Started command file. 12:15 : Stopped command file and observation closed.