GTAC Observation Log 1. Date : 11/09/2020 2. Observation Sr. No. : 12406 3. Observer : Veena V.S., Peter Schilke, Alvaro Sanchez-Monge 4. Observer\'s Email : veenagangothri@gmail.com, schilke@ph1.uni-koeln.de, sanchez@ph1.uni-koeln.de 5. Project Name : Understanding the Origin of the Unusual Molecular Bubble in the IRDC G18.88-0.09 6. Project Code : 38_071 7. Operator(s) : Navnath, Pramod 8. Command File : /odisk/gtac/cmd/38_071/gtac_38_071_11Sep2020_1600.txt 9. LTA File : /gsbifrdata/11sep/38_071_11sep2020_gsb.lta, /gwbifrdata1/11sep/38_071_11sep2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_045.FLAGS.26 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 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. W01 : : MCM Continuous ON. C05 : : No fringe in GSB. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 11 Sep 2020 16:00:00 - 11 Sep 2020 19:02:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 600 600 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 38_071 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 16:00 : Started setup. 16:23 : Started scan on 3C286 for ~ 10.2005 min. 16:33 : Stopped scan started command file. /odisk/gtac/cmd/38_071/obs.cmd 18:52:03 : Started scan on 3C286 for ~ 9.9321 min. 19:02 : Observation session over. -------------------------------------------------