GTAC Observation Log 1. Date : 23/02/2020 2. Observation Sr. No. : 11926 3. Observer : Maryam Arabsalmani, Sambit Roychowdhury, Emeric Le Floc`h, Frederic Bournaud, Nissim Kanekar, Martin Alexander Zwaan, Elena Pian 4. Observer\'s Email : maryam.arabsalmani@unimelb.edu.au, sroychowdhury@swin.edu.au, elefloch@cea.fr, frederic.bournaud@cea.fr, nkanekar@ncra.tifr.res.in, mzwaan@eso.org, elena.pian@inaf.it 5. Project Name : Massive star explosions in high density gas 6. Project Code : 37_116 7. Operator(s) : Deepak, Sachin, Shilpa, Shriram, Surender 8. Command File : /odisk/gtac/cmd/37_116/22_23feb20/37_116_s3_cmd.txt 9. LTA File : /gsbifrdata1/23feb/37_116_23feb2020_gsb.lta, /gwbifrdata2/23feb/37_116_23feb2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_116.FLAGS.14 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1397 MHz ,RF2 : 1397 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1335 MHz, ILO2 : 1335MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1397 1397 1335 1335 62 62 30. Integration Time : 16.1061 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 Feb 2020 14:45:00 - 23 Feb 2020 22:22:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :30 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 100.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 37_116 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 : 128 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------------------------------------------------- 14:45 : Started settings. 15:08 : Started scan on 3C48 for ~ 10 min. 15:30 : \'/odisk/gtac/cmd/37_116/22_23feb20/37_116_s3_cmd.txt\' command file started. 16:33 to 16:40 : Satellite observed on source. 17:58 : W04 abc timeout. 18:33 to 18:40 : Satellite observed on source. 18:35 : W04 started working. 20:30 to 20:38 : Satellite observed on source. 22:04 : Stopped command file. 22:07 : Started scan on 3C147. 22:22 : Stopped scan and observing session over.