GTAC Observation Log 1. Date : 12/03/2018 2. Observation Sr. No. : 10148 3. Observer : Nayana AJ, Poonam Chandra 4. Observer's Email : nayan89deva@gmail.com, poonam@ncra.tifr.res.in 5. Project Name : Tracing the footprints of various core-collapse supernovae environments at low-frequencies. 6. Project Code : 33_066 7. Operator(s) : Navnath, Nilesh, Rupsing 8. Command File : /odisk/gtac/cmd/nayana/33_066/12mar/obs.cmd 9. LTA File : /gsbifrdata/12mar/33_066_12mar2018.lta, /gwbifrdata2/12mar/33_066_12mar2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2682, /odisk/online1/logflags/33_066.FLAGS.11 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C14 : : Structural Repair W06 : : Painting Work 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 Mar 2018 14:00:00 - 12 Mar 2018 17:25:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 14:00 :Started setup. 14:30:47 : Started scan on 3C147 for ~ 12.348 min. 14:40 : C04 and C10 Started fringing. 14:45:30 : Started scan cmd file /odisk/gtac/cmd/nayana/33_066/12mar/obs.cmd ------------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 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 33_066 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 : 4 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : For 32 inputs GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------------------------------------------------- 17:10 : Stopped command file. 17:12 : Started scan on 3C48 17:24 : Stopped scan and observation closed.