GTAC Observation Log 1. Date : 27/07/2019 2. Observation Sr. No. : 11281 3. Observer : Subhashis Roy 4. Observer's Email : roy@ncra.tifr.res.in 5. Project Name : GCP1 6. Project Code : DDTC078 7. Operator(s) : Deepak, Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/roy/ddtc078.26jul.cmd 9. LTA File : /gsbifrdata1/26jul/ddtc078_26jul2019_gsb.lta, /gwbifrdata1/26jul/ddtc078_26jul2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.3261, /odisk/online1/logflags/DDTC078.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1449 MHz ,RF2 : 1449 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1500 MHz, ILO2 : 1500MHz , 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) : 1449 1449 1500 1500 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Jul 2019 17:00:00 - 27 Jul 2019 00:05:00 35. ONLINE Machine : Shivneri 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 : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 1500 1500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTC078 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 : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ----------------------------------------------------------------------- E06 : 130 pol no fringe in GSB. 17:00 : Started settings. 17:19 : Started scan on 3C286 for ~ 13.2875 min. 17:35 : Started scan on 1609+266 for ~ 6.8451 min. 17:45 : Started scan on 3C286 for ~ 11.4085 min. 18:00 : '/odisk/gtac/cmd/roy/ddtc078.26jul.cmd' command file started. 19:40 to 19:55 : RFI due to satellite (BEIDOU 8). -------------------------------------------------------------------- 21:55 : W04 parked due to false high wind alarm. -------------------------------------------------------------------- 00:04 : Stopped command file and observation closed.