GTAC Observation Log 1. Date : 21/12/2020 2. Observation Sr. No. : 12708 3. Observer : Yogesh Maan, BHAL CHANDRA JOSHI 4. Observer\'s Email : ymaan4@gmail.com, bcj@ncra.tifr.res.in 5. Project Name : Characterizing a glitch event in the magnetar XTE J1810-197 6. Project Code : ddtC161 7. Operator(s) : Manisha, Nilesh 8. Command File : /odisk//gtac/cmd/39_089/21dec_obs.cmd 9. LTA File : /gwbifrdata/21dec/ddtc161_21dec2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC161.FLAGS 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 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 : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C05 : Servo problem. S03 : Mechanical work. E06 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Dec 2020 12:00:00 - 21 Dec 2020 13:30:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status : 38. Comments (During Observations) : 12:00 : Started settings. 12:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : DDTC161 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 16 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18 # BEAM-1:175 :: C00 C01 C02 C04 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=18 CDP data is saved at \"gwbh7:/data4/gpuuser/DDTC161_data4_21dec2020/\" 12:10 : Started phasing on 1822-096. 12:12 : Started command file. 12:13:21 : Started scan on 1822-096 for ~ 4.69762 min. 12:22:58 : Started scan on J1809-1943 for ~ 35.2545 min. 13:06:11 : Started scan on B1822-09 for ~ 1.78957 min. 13:10:28 : Started scan on 1822-096 for ~ 2.01326 min. 13:16:41 : Started scan on 3C286 for ~ 1.70009 min. 13:18:30 : Started scan on 3C286 for ~ 1.74483 min. 13:21:13 : Started scan on 3C286OFF for ~ 1.74483 min. 13:25 : command file stopped, observation over.