GTAC Observation Log 1. Date : 16/09/2017 2. Observation Sr. No. : 9753 3. Observer : Kishalay De 4. Observer's Email : kde@astro.caltech.edu 5. Project Name : DDT Observation 6. Project Code : DDTB288 7. Operator(s) : Navnath, Pramod 8. Command File : /odisk/gtac/cmd/ddtb288/obs.cmd 9. LTA File : /gwbifrdata2/16sep/ddtb288_16sep2017_gwb.lta 10. LogFlag File : 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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :24 32. Name of Non-Working Antennas (with reason for each) : C00 : : Frequently applying brakes C09 : : Maintenance W03 : : Antenna reflector surface refurbishment work. S01 : : MCM 5 Time out. W05 : : Applied EL brake. E03 : : Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 16 Sep 2017 10:10:00 - 16 Sep 2017 12:50:00 35. ONLINE Machine : Shivneri 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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : DDTB288 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 : ON GPU_TPA : From GWB GUI. GPU_BITS : For 32 inputs GPU_FILRFI : RFI Filterring OFF -------------------------------- 10:00 : Started setup. 10:15 : Started GWB setup. 10:37 : Started scan on 3C286 for 7 min. 10:44 : scan stopped. 10:50 : Started cmd file. /odisk/gtac/cmd/ddtb288/obs.cmd 11:47 : Stopped command file. 11:52 : Started scan on 3C286. 12:00 : Stopped scan and observation session is over.