GTAC Observation Log 1. Date : 21/07/2019 2. Observation Sr. No. : 11267 3. Observer : Omkar Suresh Bait, Sushma Kurapati, Peter Kamphuis, Yogesh Wadadekar, Sudhanshu Barway, Pierre-Alain Duc 4. Observer's Email : omkar@ncra.tifr.res.in, sushma@ncra.tifr.res.in, peterkamphuisastronomy@gmail.com, yogesh@ncra.tifr.res.in, sudhanshu.barway@iiap.res.in, paduc@cea.fr 5. Project Name : The %H{\\\\sc i}%-rich Quenched GalaxieS (%H{\\\\sc i}%QGS) Survey using the GMRT 6. Project Code : 36_068 7. Operator(s) : Deepak, Pramod, Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/36_068/21jul19/obs.cmd 9. LTA File : /gsbifrdata1/21jul/36_068_21jul2019_gsb.lta, /gwbifrdata/21jul/36_068_21jul2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.3251, /odisk/online1/logflags/36_068.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , 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) : 1371 1371 1320 1320 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) : C02 : Water leakage problem (Off). S04 :ABC time out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Jul 2019 11:50:00 - 21 Jul 2019 22:14:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. 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 : 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 : 36_068 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 : 64 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 11:50 : Started settings. 12:15 : Started scan on 3C147 for ~ 15 min. ------------------------------------------------------------------------- 12:32 : S-arm power failure 13:37 : S-arm power resumed. ------------------------------------------------------------------------- 12:40 : '/odisk/gtac/cmd/36_068/21jul19/obs.cmd' command file started. 17:00 : C02 and S04 (175 pol only) started working. 22:02 : Stopped command file. 22:03 : Started scan on 3C286. 22:13 : Stopped scan and observation session is over.