GTAC Observation Log 1. Date : 04/01/2021 2. Observation Sr. No. : 12762 3. Observer : Souvik Manna, Subhashis Roy 4. Observer\'s Email : souvik@ncra.tifr.res.in, roy@ncra.tifr.res.in 5. Project Name : A metrewavelength survey of local volume large galaxies (MLVL) 6. Project Code : 39_097 7. Operator(s) : Nilesh, Rupsing, Shriram 8. Command File : /data1/gtac/cmd/roy/obs.py 9. LTA File : /gsbifrdata1/03jan/39_097_03jan2021_gsb.lta, /gwbifrdata1/03jan/39_097_03jan2021_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.3825 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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 : 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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. W01 : No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Jan 2021 22:00:00 - 04 Jan 2021 03:55:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :29 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 : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 470 470 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 39_097 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 TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : Voltage Detection GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------- 22:20 : Received setup from observer. 22:45 : Started scan on 3C147. Command file failed due to same sources in different catalog files. 23:40 : Command file started properly. ------------------------------------------------------------------------ Note : Scan 1 and 2 is bad ------------------------------------------------------------------------ 23:41 : W01 started working. ------------------------------------------------------------------------ 03:55 : Stopped command file and observation closed.