GTAC Observation Log 1. Date : 18/03/2024 2. Observation Sr. No. : 16522 3. Observer : Henrik Beuther, Andreas Brunthaler, Nirupam Roy, Rohit Dokara, Karl M. Menten, Sarita Vig, Md Rashid, Jagadheep D Pandian, Michael Rainer Rugel, Prasun Dutta 4. Observer\'s Email : beuther@mpia.de, brunthal@mpifr-bonn.mpg.de, roy.nirupam@gmail.com, rohitd@protonmail.com, kmenten@mpifr.de, sarita@iist.ac.in, ra1991shid@gmail.com, jagadheep@iist.ac.in, mrugel@mpifr-bonn.mpg.de, pdutta.phy@itbhu.ac.in 5. Project Name : Metrewave Galactic Plane with the uGMRT (MeGaPluG) survey: Phase 1 6. Project Code : 45_095 7. Operator(s) : Pramod, Rupsing, Shriram 8. Command File : /data1/gtac/cmd/45_095/45_095_18Mar2024_0300_cmd.py 9. LTA File : /gwbifrdata/18mar/45_095_18mar2024_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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : S03 : Strong RFI 33. Note for Backup : 34. Start and End Time of Obs.(IST): 18 Mar 2024 03:00:00 - 18 Mar 2024 12:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 8 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 45_095 GPU_CNTRL : ONLINE/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 ------------------------------------------------------------------------ 03:15 : Started command file. ------------------------------------------------------------------------ 03:20 : Scintillation observed(03:15 to 05:37). ------------------------------------------------------------------------ 10:00 :C00, C01, S03 taken for maintenance. 12:00 : Command file stopped and observation session over.