GTAC Observation Log 1. Date : 26/09/2021 2. Observation Sr. No. : 13542 3. Observer : Jyotirmoy Dey, Jagadheep D Pandian, Michael Rainer Rugel, Nirupam Roy, Karl M. Menten, Andreas Brunthaler, Friedrich Wyrowski 4. Observer\'s Email : arghya.brc555@gmail.com, jagadheep@iist.ac.in, mrugel@mpifr-bonn.mpg.de, roy.nirupam@gmail.com, kmenten@mpifr.de, brunthal@mpifr-bonn.mpg.de, wyrowski@mpifr-bonn.mpg.de 5. Project Name : A study of extended emission around Ultracompact HII regions. 6. Project Code : 40_100 7. Operator(s) : Nilesh, Shilpa, Shriram 8. Command File : /data1/gtac/cmd/40_100/26sep.py 9. LTA File : /gsbifrdata/26sep/40_100_26sep2021_gsb.lta, /gwbifrdata/26sep/40_100_26sep2021_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 : 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E05 : No fringe. E04 : Not releasing brakes. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Sep 2021 14:00:00 - 26 Sep 2021 21:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :26 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 : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1450 1450 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 40_100 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 -------------------------------------------------------------------------- 14:00 : Started settings. 14:25 : Started scan on 3C286 for ~ 10.29 min. 14:33 : C14 servo problem. 14:42 : \'/data1/gtac/cmd/40_100/26sep.py\' command file started. 16:00 : C14 started working. 19:37 -19:43 : NAVSTAR RFI. 20:42 : Command file stopped. 20:50 : started scan on 3C48. 21:00 : Scan stopped and observing session over.