GTAC Observation Log 1. Date : 27/10/2017 2. Observation Sr. No. : 9812 3. Observer : Resmi Lekshmi,Ishwara Chandra C. H 4. Observer's Email : l.resmi@gmail.com,ishwar@gmrt.ncra.tifr.res.in 5. Project Name : short GRB 6. Project Code : DDTB292 7. Operator(s) : Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/ddtb292/obs.cmd 9. LTA File : /gsbifrdata1/27oct/ddtb292_27oct2017.lta, /gwbifrdata1/27oct/ddtb292_27oct2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2523 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+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) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C04 : Low fringe. E03 : Low fringe. E05 : ABC time out. C03 : Bad band shape in GSB only. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Oct 2017 06:00:00 - 27 Oct 2017 12:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :24 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400.0000 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 : DDTB292 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 : For 32 inputs GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ------------------------------------------------------------------------ 06:30 : Started scan on 3C147. 07:00 : Stopped scan. 07:18 : Started command file. '/odisk/gtac/cmd/ddtb292/obs.cmd' 09:03 : W05 taken for painting work. 09:12 : C14 taken for structural work. 11:45 : Stopped command file. 11:54 : Started scan on 3C286. 12:04 : Stopped scan and observation session is over.