GTAC Observation Log 1. Date : 29/10/2021 2. Observation Sr. No. : 13601 3. Observer : Shyam Sunder, Jayanta Roy, Bhaswati Bhattacharyya, Shubham Singh 4. Observer\'s Email : ssunder@ncra.tifr.res.in, jroy@ncra.tifr.res.in, bhaswati@ncra.tifr.res.in, ssingh@ncra.tifr.res.in 5. Project Name : Localisation of pulsars discovered in the GHRSS survey 6. Project Code : 41_095 7. Operator(s) : Pramod, Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata/29oct/41_095_29oct2021_gsb.lta, /gwbifrdata/29oct/41_095_29oct2021_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/TGC 18. GSB Fstop : ON 19. GAIN EQ : OFF 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. E05 : Front End problem S04 : GAB Problem. S06 : Taken for FE work. C01 :,C02 : Feed jammed. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Oct 2021 10:00:00 - 29 Oct 2021 12:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :24 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 : 41_095 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : IA 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 : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E06 S01 S02 S03 W01 W02 W03 W05 W06 Total=23 # BEAM-1:175 :: C00 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E06 S01 S02 S03 W01 W02 W03 W05 W06 Total=23 # BEAM-2:130 :: C00 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E06 S01 S02 S03 W01 W02 W03 W05 W06 Total=23 # BEAM-2:175 :: C00 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E06 S01 S02 S03 W01 W02 W03 W05 W06 Total=23 # BEAM-3:130 :: C00 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E06 S01 S02 S03 W01 W02 W03 W05 W06 Total=23 # BEAM-3:175 :: C00 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E06 S01 S02 S03 W01 W02 W03 W05 W06 Total=23 # BEAM-4:130 :: C00 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E06 S01 S02 S03 W01 W02 W03 W05 W06 Total=23 # BEAM-4:175 :: C00 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E06 S01 S02 S03 W01 W02 W03 W05 W06 Total=23 -------------------------------------- 10:00:00 : Started set-up. 10:27:09 : Started scan on 1526-138 for ~ 14.3165 min. 10:44:08 : Started scan on J1507-4332 for ~ 6.08453 min. 11:31 : W04 Taken for servo work. 10:54:32 : Started scan on HR_1428-42 for ~ 36.7309 min. 11:31:32 : Started scan on HR_1428-42 for ~ 14.585 min. 11:45 : E05 taken for FE work. 11:46:38 : Started scan on HR_1428-42 for ~ 38.252 min. 12:15:00 : Stopped scan and observing session over. ----------------------------------- -----------------------------------------------------------------