GTAC Observation Log 1. Date : 11/07/2019 2. Observation Sr. No. : 11238 3. Observer : Tariq Blecher, Roger Paul Deane, Ian Heywood, Danail Obreschkow 4. Observer's Email : tariq.blecher@gmail.com, roger.deane@up.ac.za, ian.heywood@physics.ox.ac.uk, danail.obreschkow@gmail.com 5. Project Name : Follow up observations of a marginal lensed HI detection at z ~0.4 6. Project Code : 36_078 7. Operator(s) : Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/36_078/11jul19/obs.cmd 9. LTA File : /gsbifrdata1/11jul/36_078_11jul2019_gsb.lta, /gwbifrdata1/11jul/36_078_11jul2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_078.FLAGS.7 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1001 MHz ,RF2 : 1001 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 950 MHz, ILO2 : 950MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 1001 1001 950 950 51 51 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) : S01 : Feed jam. W04 : Strong RFI 33. Note for Backup : 34. Start and End Time of Obs.(IST): 11 Jul 2019 17:50:00 - 11 Jul 2019 22:05:00 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_RF1 : 1460 1460 GPU_DDCLO1 : 0.0000 0.0000 GPU_SB1 : 1 1 GCODE1 : SUBA1 GPU_RF2 : 1460 1460 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : SUBA2 GPU_RF3 : 1460 1460 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 36_082A GPU_RF4 : 970 970 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 36_078 GPU_RF5 : 0 0 GPU_DDCLO5 : 0.0000 0.0000 GPU_SB5 : 1 1 GCODE5 : SUBA5 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 -------------------------------- 17:40 : Started set up. 17:58 : Started scan on 3C286. 18:08 : Stopped scan and started command file. '/odisk/gtac/cmd/36_078/11jul19/obs.cmd' 21:43 : Stopped command file. 21:46 : Started scan on 3C286. 22:00 : Stopped scan and observation session is over.