GTAC Observation Log 1. Date : 31/12/2021 2. Observation Sr. No. : 13807 3. Observer : Yogesh Maan, BHAL CHANDRA JOSHI, Mayuresh Surnis, Krishnakumar MA, Manjari Bagchi 4. Observer\'s Email : ymaan4@gmail.com, bcj@ncra.tifr.res.in, mayuresh.surnis@mail.wvu.edu, kk.ambalappat@gmail.com, manjari.bagchi@gmail.com 5. Project Name : Low-frequency monitoring of the Magnetar XTE 1810-197 6. Project Code : 41_056 7. Operator(s) : Pramod, Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata/31dec/41_056_31dec2021_test_gsb.lta, /gsbifrdata/31dec/41_056_31dec2021_pntg_band4_gsb.lta, /gwbifrdata/31dec/41_056_31dec2021_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 : 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 :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C09 : Mechanical Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 31 Dec 2021 08:00:00 - 31 Dec 2021 09:30:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 16 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 : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 41_056 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 : 64 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 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18 # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18 # BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18 # BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18 # BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18 # BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18 -------------------------------- 08:00:00 : Started setup. 08:21:53 : Started scan on 1822-096 for ~ 2.68435 min. 08:24:59 : Started scan on 1822-096 for ~ 0.894784 min. 08:26:18 : Started scan on 1822-096 for ~ 1.96852 min. 08:29:56 : Started scan on J1809-1943 for ~ 25.054 min. 08:59:17 : Started scan on B1929+10 for ~ 3.04227 min. 09:04:27 : Started scan on 1822-096 for ~ 1.96852 min. 09:12:48 : Started scan on 3C286 for ~ 11.6322 min. 09:24:51 : Started scan on 3C286 for ~ 0.894784 min. 09:26:10 : Started scan on 3C286 for ~ 1.96852 min. 09:29:53 : Started scan on 3C286OFF for ~ 1.96852 min. 09:30:53 : Stopped scan and observing session over. --------------------------------------