GTAC Observation Log 1. Date : 31/05/2019 2. Observation Sr. No. : 11121 3. Observer : Dharam Vir Lal, Natalia Lyskova, Annalisa Bonafede, Marcus Bruggen, Gianfranco Brunetti, Andrei Bykov, Eugene Churazov, william richard forman, Christine Jones, Luca Di Mascolo, Reinout Johannes vanWeeren, Tiziana Venturi, Congyao Zhang 4. Observer's Email : dharam@ncra.tifr.res.in, natalya.lyskova@gmail.com, a.bonafede@ira.inaf.it, mbrueggen@hs.uni-hamburg.de, brunetti@ira.inaf.it, ambykov@yahoo.com, churazov@mpa-garching.mpg.de, wrf@cfa.harvard.edu, cjf@head.cfa.harvard.edu, lucadim@mpa-garching.mpg.de, rvweeren@strw.leidenuniv.nl, tventuri@ira.inaf.it, zhangcongyao@gmail.com 5. Project Name : On the Origin of the SW Coma Relic 6. Project Code : 36_033 7. Operator(s) : Sachin, Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata/31may/36_033_31may2019_gsb.lta, /gwbifrdata2/31may/36_033_31may2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_033.FLAGS.2, /odisk/online1/logflags/36_011.FLAGS.4 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : S04 : : ABC time-out. C02 : : Self and fringe fluctuation. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 31 May 2019 16:00:00 - 31 May 2019 22:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : ------------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 : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 36_033 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 -------------------------------- 16:00:00 : Started set-up. 16:23:44 : Started scan on 3C286 for ~ 20 mins. 16:44:27 : Started command file. 17:21:00 : S04 ABC time-out. 22:00:00 : Stopped command file and observing session over.