GTAC Observation Log 1. Date : 27/03/2024 2. Observation Sr. No. : 16565 3. Observer : Krishnakumar MA, BHAL CHANDRA JOSHI, Yogesh Maan, Banshi Lal, Visweshwar Ram Marthi, Mayuresh Surnis 4. Observer\'s Email : kk.ambalappat@gmail.com, bcj@ncra.tifr.res.in, ymaan4@gmail.com, blal@ncra.tifr.res.in, vrmarthi@ncra.tifr.res.in, mayuresh.surnis@mail.wvu.edu 5. Project Name : Low-frequency monitoring of the Magnetar XTE 1810-197 6. Project Code : 45_028 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd/obs.py 9. LTA File : /gwbifrdata1/27mar/45_028_27mar2024_b4_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 : 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) : 591 591 540 540 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C12 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Mar 2024 03:00:00 - 27 Mar 2024 04:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :29 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 : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF1 : 550 550 GPU_DDCLO1 : 0 0 GPU_SB1 : 1 1 GCODE1 : 45_028 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : VOLTAGE GPU_BEAM_2 : 4 GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 256 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 : RELEASED -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 Total=22 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 Total=22 # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 Total=22 # BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 Total=22 ----------------------------------------------------------------------- 03:14:46 : Started scan on 1822-096 for ~ 0.894784 min. 03:16:18 : Started scan on 1822-096 for ~ 0.894784 min. 03:19:17 : Started scan on 1822-096 for ~ 2.68435 min. Since first phasing was not successful did it once again. 03:22:33 : Started scan on 1822-096 for ~ 1.07374 min. 03:25:28 : Started scan on J1809-1943 for ~ 30.9595 min. 03:58:34 : Started scan on B1844-04 for ~ 2.68435 min. 04:02:44 : Started scan on 1822-096 for ~ 1.96852 min. -----------------------------------------------------------------------