GTAC Observation Log 1. Date : 24/01/2020 2. Observation Sr. No. : 11827 3. Observer : Nissim Kanekar 4. Observer\'s Email : nkanekar@ncra.tifr.res.in 5. Project Name : FRB180916 6. Project Code : DDTC115 7. Operator(s) : Navnath, Nilesh, Sachin, Shriram 8. Command File : /odisk/gtac/cmd/nissim/ddtc115.cmd 9. LTA File : /gsbifrdata/23jan/ddtc115_23jan2020_gsb.lta, /gwbifrdata1/23jan/ddtc115_23jan2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC115.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1367.85 MHz ,RF2 : 1367.85 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1305 MHz, ILO2 : 1305MHz , IVLO1 : 62.85 MHz, IVLO2 : 62.85 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 : 16.666666 MHz 24. Final BW : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137.15 28. LO5 -2 : 167.85 29. Frequency Parameters (TPA) : 1367.85 1367.85 1305 1305 62.85 62.85 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C00 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Jan 2020 17:50:00 - 24 Jan 2020 00:05:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : 18:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 100.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1330 1330 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : DDTC115 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 -------------------------------- 18:05:17 : Started scan on 3C48 for ~ 7.24775 min. 18:15:18 : Started cmd file. /odisk/gtac/cmd/nissim/ddtc115.cmd 00:00 : Observation session over.