GTAC Observation Log 1. Date : 12/08/2020 2. Observation Sr. No. : 12301 3. Observer : Gabriella Di Gennaro, Reinout Johannes vanWeeren, Annalisa Bonafede, Andrea Botteon, Marcus Bruggen, Gianfranco Brunetti, Rossella Cassano, Virginia Cuciti, Francesco de Gasperin, william richard forman, Matthias Hoeft, H Intema, Christine Jones, Huub Rottgering, Shimwell 4. Observer\'s Email : digennaro@strw.leidenuniv.nl, rvweeren@strw.leidenuniv.nl, a.bonafede@ira.inaf.it, botteon@strw.leidenuniv.nl, mbrueggen@hs.uni-hamburg.de, brunetti@ira.inaf.it, rcassano@ira.inaf.it, vcuciti@hs.uni-hamburg.de, astro@voo.it, wrf@cfa.harvard.edu, hoeft@tls-tautenburg.de, hintema@nrao.edu, cjones@cfa.harvard.edu, rottgering@strw.leidenuniv.nl, shimwell@strw.leidenuniv.nl 5. Project Name : The first direct test of particle re-acceleration models in distant galaxy clusters 6. Project Code : 38_054 7. Operator(s) : Deepak, Nilesh, Shriram, Surender 8. Command File : /odisk/gtac/cmd/38_054/12aug2020.cmd 9. LTA File : /gsbifrdata1/12aug/38_054_12aug2020_band4_gsb.lta, /gwbifrdata1/12aug/38_054_12aug2020_band4_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_054.FLAGS.8 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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) : 591 591 540 540 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 Aug 2020 09:50:00 - 12 Aug 2020 16:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : 09:50 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 38_054 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 -------------------------------- 10:03:13 : Started scan on 3C147 for ~ 15.5692 min. 10:20:00 : Started command file. /odisk/gtac/cmd/38_054/12aug2020.cmd 11:00 : E04 taken for maintenance. 13:20 : E04 released for observation. 15:36 : Stopped command file. 15:38 : Started scan on 1215+348 for ~ 5 min. 15:47 : Started scan on 3C286 for ~ 15 min. 16:03 : Stopped scan and observing session over. -------------------------------