GTAC Observation Log 1. Date : 06/11/2020 2. Observation Sr. No. : 12540 3. Observer : Kamlesh Rajpurohit, franco vazza, Annalisa Bonafede, Reinout Johannes vanWeeren, Denis Wittor, Marisa Brienza, Chiara Stuardi, Christopher John Riseley, Matthias Hoeft, Andrea Botteon, Duy N. Hoang, Etienne Bonnassieux, Arvind Singh Rajpurohit, Daniele Dallacasa, Nicola Locatelli, Biava 4. Observer\'s Email : kamlesh.rajpurohit@unibo.it, franco.vazza2@unibo.it, a.bonafede@ira.inaf.it, rvweeren@strw.leidenuniv.nl, dwittor@hs.uni-hamburg.de, m.brienza@ira.inaf.it, chiara.stuardi140@edu.unito.it, chris.riseley.astro@gmail.com, hoeft@tls-tautenburg.de, botteon@strw.leidenuniv.nl, hoang@hs.uni-hamburg.de, etienne.bonnassieux@unibo.it, arvindr@prl.res.in, daniele.dallacasa@unibo.it, locatelli@ira.inaf.it, nadia.biava2@unibo.it 5. Project Name : Uncovering the origin of an under-luminous relic residing in the low-mass galaxy cluster CIZA J0649.3\\\\+1801 6. Project Code : 39_020 7. Operator(s) : Nilesh, Rupsing, Shilpa, Shriram 8. Command File : /data1/gtac/cmd/39_020/39_020_06nov.py 9. LTA File : /gsbifrdata1/06nov/39_020_06nov2020_gsb.lta, /gwbifrdata1/06nov/39_020_06nov2020_gwb.lta 10. LogFlag File : 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 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Full_Stokes 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 :24 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C08 : No fringe in 130 pol in both GSB and GWB C14 : MCM 3,4,10,14 timeout. E05 : Feed jammed. W01 : Feed jammed. W03 : Feed jammed. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 06 Nov 2020 02:00:00 - 06 Nov 2020 08:06:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :24 37. RFI Status : 38. Comments (During Observations) : ------------GSB/GWB settings---------------------------------------------- GPU_BEAM_3,0:1 GPU_BEAM_2,0:1 GSB_FSTOP,1 GSB_LTA,8 GPU_FSTOP,1 GPU_CHAN_MAX,4096 GPU_BEAM_4,0:1 GSB_EDGE_FRQ,0 GPU_FILRFI,0 GSB_CHAN_NUM,0:255:1 GPU_HOSTS,2 GSB_ACQ_BW,33.333333 GSB_GAINEQ,1 GPU_CNTRL,1 GPU_PFB_TAPS,16 GSB_ENV,1 GPU_ENV,1 GPU_CHAN_NUM,0:4095:1 GPU_PFB,0 GPU_MODE,0 GSB_HOSTS,0 GPU_STOKES,4 GSB_STOKES,4 GSB_CD_MODE,0 GPU_BM_INT,8 GPU_DDC,0 GSB_CHAN_MAX,256 GPU_TPA,0 GPU_ACQ_BW,200.0000 GSB_CNTRL,1 GSB_FINAL_BW,0 GPU_GAINEQ,1 GSB_BB_LO,149000000:156000000 GPU_BEAM_1,0:1 GSB_MODE,0 GPU_BEAM_S,0 GPU_EDGE_FRQ,0 GPU_FINAL_BW,1 GSB_BEAM_1,0:1 GPU_LTA,4 GSB_BEAM_2,0:1 BANDMASK,3 GPU_BEAM4_DATASERVER,gwbh10 CORRMASK,8 ANTENNAMASK,3fffffff GPU_BEAM1_DATASERVER,gwbh7 GPU_IFR_DATASERVER,gwbh6 GSB_IFR_DATASERVER,gsbm4 -------------------------------------------------------------------------- 02:00 : Started settings. 02:25 : Started scan on 3C48 ~8min. 02:36 : Command file started, \'/data1/gtac/cmd/39_020/39_020_06nov.py\' 06:30 : Power glitch at all antennas. Scan no. 12,13,14,15 are bad. 06:30 : After power failure ONLINE problem occurred (tgc). 07:34 : Started scan on 0700+171 for 5mins. 07:56 : Started scan on 3C286. C08 started working (130 pol started working). W04 not fringing. 08:06 : Stopped scan and observing session over.