GTAC Observation Log 1. Date : 12/09/2022 2. Observation Sr. No. : 14600 3. Observer : Yogesh Maan, BHAL CHANDRA JOSHI, Mayuresh Surnis, Krishnakumar MA 4. Observer\'s Email : ymaan4@gmail.com, bcj@ncra.tifr.res.in, mayuresh.surnis@mail.wvu.edu, kk.ambalappat@gmail.com 5. Project Name : Low-frequency monitoring of the Magnetar XTE 1810-197 6. Project Code : 42_059 7. Operator(s) : Navnath, Rupsing 8. Command File : 9. LTA File : /gwbifrdata/12sep/42_059_12sep2022_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 30 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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :23 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C00 : : Telemetry problem. C02 : : Electric power problem. C11 : : Servo Time out. C14 : : Telemetry problem. E03 : : FECB setting problem. C09 : : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 Sep 2022 20:00:00 - 12 Sep 2022 21:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :23 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 : 470 470 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 42_059 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : VOLTAGE GPU_BEAM_2 : PA GPU_BEAM_3 : IA 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 --------------------------------------------------------- [observer@oper2 INFO]$ more gwb_gac.dat # GWB GAC configuration is as follows : # BEAM-1:130 :: C01 C04 C05 C06 C08 C10 C12 C13 E02 E04 S01 S02 S03 W01 W02 W03 Total=16 # BEAM-1:175 :: C01 C04 C05 C06 C08 C10 C12 C13 E02 E04 S01 S02 S03 W01 W02 W03 Total=16 # BEAM-2:130 :: C01 C04 C05 C06 C08 C10 C12 C13 E02 E04 S01 S02 S03 W01 W02 W03 Total=16 # BEAM-2:175 :: C01 C04 C05 C06 C08 C10 C12 C13 E02 E04 S01 S02 S03 W01 W02 W03 Total=16 # BEAM-3:130 :: C01 C04 C05 C06 C08 C10 C12 C13 E02 E04 S01 S02 S03 W01 W02 W03 Total=16 # BEAM-3:175 :: C01 C04 C05 C06 C08 C10 C12 C13 E02 E04 S01 S02 S03 W01 W02 W03 Total=16 ----------------------------------------------------------------------- 19:58:05 : Started scan on 1822-096 for ~ 3.04227 min. 20:01:46 : Started scan on 1822-096 for ~ 2.14748 min. 20:05:31 : Started scan on J1809-1943 for ~ 35.4334 min. 20:42:56 : Started scan on B1844-04 for ~ 2.5054 min. 20:47:26 : Started scan on 1822-096 for ~ 1.78957 min. 20:50:00 : Observation season over. -----------------------------------------------------------------------