GTAC Observation Log 1. Date : 27/06/2023 2. Observation Sr. No. : 15551 3. Observer : Xinwen Shu, Sun, Lei Yang, Zhang Fabao Zhang, Tinggui Wang, Ning Jiang, Liming Dou 4. Observer\'s Email : xwshu@ahnu.edu.cn, sunluming@ahnu.edu.cn, ahnuyl@ahnu.edu.cn, zhang681@mail.ahnu.edu.cn, twang@ustc.edu.cn, jnac@mail.ustc.edu.cn, doulm@gzhu.edu.cn 5. Project Name : Low-frequency radio follow-up of recently launched radio transients in the centers of inactive galaxies 6. Project Code : 44_058 7. Operator(s) : Deepak, Nilesh, Rupsing, Sachin, Shilpa, Surender 8. Command File : /data1/gtac/cmd/44_058/44_058_27Jun2023_1300_cmd.py 9. LTA File : /gsbifrdata/27jun/44_058_27jun2023_b5_gsb.lta, /gwbifrdata1/27jun/44_058_27jun2023_b5_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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 : 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : S06 : Maintenance. C01 : RF not set. C04 : RF not set. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Jun 2023 13:00:00 - 27 Jun 2023 19:00:00 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 : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : -1 -1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 44_058 GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : ON GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------------------------------------------------- 13:00 : Started settings. 13:25 : \'/data1/gtac/cmd/44_058/44_058_27Jun2023_1300_cmd.py\' command file started. 14:40 : Due to high wind command file stopped. ------------------------------------------------------------------------- 15:30 : Wind normal. ------------------------------------------------------------------------- 15:31 : Restarted command file. ------------------------------------------------------------------------- 15:36 : Stopped command file due to servo tracking problem. ------------------------------------------------------------------------- 16:56 : Restarted command file. ------------------------------------------------------------------------- 18:00 : S06 released for observation. 18:00 : C04 started working. ------------------------------------------------------------------------- 19:00 : Stopped command file and observation closed ------------------------------------------------------------------------- Note :- Observation is not completed due to high wind and Servo tracking problem.