GTAC Observation Log 1. Date : 25/08/2020 2. Observation Sr. No. : 12346 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, Rupsing, Shriram, Surender 8. Command File : /odisk/gtac/cmd/38_054/25aug20/obs.cmd 9. LTA File : /gsbifrdata/25aug/38_054_25aug2020_gsb.lta, /gsbifrdata1/25aug/38_054_25aug2020_gsb.lta.1, /gwbifrdata1/25aug/38_054_25aug2020_gwb.lta.1, /gwbifrdata2/25aug/38_054_25aug2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_054.FLAGS.11 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 : 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) : 306 306 255 255 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) : C03 : Mechanical Work W05 : Servo Problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 25 Aug 2020 13:00:00 - 25 Aug 2020 20:10:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : gsb_beam2_dataserver,node_34 bandmask,3 gpu_beam4_dataserver,gwbh10 GSB_LTA,8 GPU_FSTOP,1 GPU_PFB,0 GPU_FILRFI,0 GSB_CHAN_NUM,0:255:1 GSB_ACQ_BW,33.333333 GPU_BEAM_1,0:1 GSB_FINAL_BW,0 GPU_PFB_TAPS,16 GSB_ENV,1 gpu_ifr_dataserver,gwbh6 gpu_beam3_dataserver,gwbh9 GPU_CHAN_NUM,0:2047:1 GSB_HOSTS,0 GPU_BEAM_S,0 gsb_ifr_dataserver,gsbm4 GSB_STOKES,2 GPU_DDC,0 GSB_CNTRL,1 GPU_CNTRL,1 gpu_beam2_dataserver,gwbh8 GPU_GAINEQ,1 gsb_beam1_dataserver,node_33 GPU_EDGE_FRQ,0 GSB_BEAM_1,0:1 GPU_BM_INT,128 GSB_BEAM_2,0:1 GPU_BEAM_3,0:1 GPU_BEAM_2,0:1 GSB_FSTOP,1 GPU_CHAN_MAX,2048 GPU_BEAM_4,0:1 corrmask,8 GPU_ENV,1 antennamask,3fffffff GPU_HOSTS,2 GPU_MODE,0 GPU_STOKES,2 GSB_GAINEQ,1 GSB_CD_MODE,0 GSB_CHAN_MAX,256 GPU_TPA,0 GPU_ACQ_BW,200.0000 GPU_LTA,4 GSB_BB_LO,149000000.0:156000000.0 GSB_MODE,0 GPU_FINAL_BW,1 gpu_beam1_dataserver,gwbh7 GPU_BITS,8 --------------------------------------- 13:31:19 : Started scan on 3C286 for ~ 11.0058 min. 13:48:13 : Started command file. /data1/gtac/cmd/38_054/obs.py 14:57:00 : Stopped command file due to MSEB power failure. ------------------------------------------------------------------------- 15:50:00 : following antennas came after reset through rabbit card C00,C14,E03,W01,W02,W06,S01,S02,S06 ------------------------------------------------------------------------- 15:53:00 : Restarted command file. 17:00 : GWB-TGC client program killed, because of that communication between TGC and GWB stopped. ------------------------------------------------------------------------- 17:12:00 : Stopped command file due to electrical shutdown ------------------------------------------------------------------------- 18:00 : Restarted observation using old ONLINE. 18:06 : Started command file. ------------------------------------------------------------------------- 18:08 : W05 Started working ------------------------------------------------------------------------- 18:35 : C00 and C14 got ABC reset ------------------------------------------------------------------------ 19:00 : C00 and C14 started working. ------------------------------------------------------------------------ 19:43 : Stopped command file. 19:45 : Started scan on 3C286 20:00 : Stopped scan and observation closed.