GTAC Observation Log 1. Date : 30/07/2020 2. Observation Sr. No. : 12243 3. Observer : S. Pal, R. Kale 4. Observer\'s Email : ruta@ncra.tifr.res.in,sabya.pal@gmail.com 5. Project Name : NEOWISE 6. Project Code : DDTC141 7. Operator(s) : Nilesh, Pramod, Surender 8. Command File : /odisk/gtac/cmd/ddtc141/neowise-1415.cmd 9. LTA File : /gsbifrdata1/30jul/ddtc141_30jul2020_gsb.lta, /gwbifrdata2/30jul/ddtc141_30jul2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC141.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1399 MHz ,RF2 : 1399 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1450 MHz, ILO2 : 1450MHz , 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 : Full_Stokes 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) : 1399 1399 1450 1450 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : : Mechanical Work. W01 : : Taken for SMTS Work. S04 : : 175 pol no fringe. W04 : : No fringe (RFI). 33. Note for Backup : 34. Start and End Time of Obs.(IST): 30 Jul 2020 14:00:00 - 30 Jul 2020 17:20:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 8 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 1450 1450 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTC141 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 -------------------------------- 13:50 : Started set up. 14:02 : Started scan on 3C286 for 8 min. 14:12 : Started scan on 1227+365 for 5 min. 14:18 : Started command file. \'/odisk/gtac/cmd/ddtc141/neowise-1415.cmd\' 17:04 : Stopped command file and started scan on phase cal for ~ 4 min. 17:11 : Started scan on 3C286 for ~ 7 min. 17:20 : stopped scan and closed observations.