GTAC Observation Log 1. Date : 23/01/2024 2. Observation Sr. No. : 16317 3. Observer : Arshia Maria Jacob, Meera Nandakumar, Karl M. Menten, Nirupam Roy 4. Observer\'s Email : ajacob51@jhu.edu, meeranandakumar93@gmail.com, kmenten@mpifr.de, roy.nirupam@gmail.com 5. Project Name : Continuing the hunt for rotationally excited CH 6. Project Code : 45_107 7. Operator(s) : Sachin, Shilpa 8. Command File : /data1/gtac/cmd/45_107/45_107_23Jan2024_0700_cmd.py 9. LTA File : /gsbifrdata1/23jan/45_107_23jan2024_b4_gsb.lta, /gwbifrdata/23jan/45_107_23jan2024_10s_b4_gwb.lta, /gwbifrdata1/23jan/45_107_23jan2024_b4_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 666 MHz ,RF2 : 666 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 615 MHz, ILO2 : 615MHz , 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) : 666 666 615 615 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Jan 2024 07:00:00 - 23 Jan 2024 13:01:00 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 : 4 GPU_ACQ_BW : 100 GPU_FINAL_BW : 50 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 16384 GPU_CHAN_NUM : 0:16383:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 635 635 GPU_DDCLO4 : 0.000000 0.000000 GPU_SB4 : 1 1 GCODE4 : 45_107 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 : 8 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 -------------------------------------------------------------------------- 07:00 : Started settings. 07:16 : \'/data1/gtac/cmd/45_107/45_107_23Jan2024_0700_cmd.py\' command file started. 10:13 : E02 taken for callsheet work. 10:42 : S03 taken for Inner Dish (Inner octagon )Modification work. 10:52 : Scan no. 12 bad. 13:01 : Stopped command file and observing session over.