GTAC Observation Log 1. Date : 31/01/2021 2. Observation Sr. No. : 12854 3. Observer : Mayank Narang, Manoj Puravankara, C.H. IshwaraChandra 4. Observer\'s Email : mayankn1154@gmail.com, manoj.puravankara@tifr.res.in, ishwar@ncra.tifr.res.in 5. Project Name : A uGMRT Survey of EXoplanets Around M-dwarfs : GS-EXAM 6. Project Code : 39_036 7. Operator(s) : Navnath, Nilesh 8. Command File : /data1/gtac/cmd/39_036/31Jan/obs.py 9. LTA File : /gsbifrdata1/31jan/39_036_31jan2021_gsb.lta, /gwbifrdata1/31jan/39_036_31jan2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 14+10 dB, 16 MHz,ON, IF-CH2 : 14+10 dB, 16 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 : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 156 156 218 218 62 62 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical work. C06 : Mechanical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 31 Jan 2021 17:25:00 - 31 Jan 2021 22:35:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : 17:25 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : -1 -1 GPU_RF4 : 300 300 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 39_036 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 : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------- 17:38 : Started scan on 3C147 for ~ 16.9785 min. 17:56 : Started command file. /data1/gtac/cmd/39_036/31Jan/obs.py 18:00 : Antenna C06 released for observation. 20:49 : Antenna C05 LMC problem. 22:08 : Stopped command file. 22:11 : Started scan on 0409-179 for ~ 5 min. 22:22 : Started scan on 3C147 for ~ 10 min. 22:32 : Stopped scan and observation closed.