GTAC Observation Log 1. Date : 11/01/2019 2. Observation Sr. No. : 10798 3. Observer : Barnali Das, Poonam Chandra 4. Observer's Email : barnali@ncra.tifr.res.in, poonam@ncra.tifr.res.in 5. Project Name : Low frequency study of the two main sequence pulsars: CU Virginis and HD 133880 6. Project Code : 35_097 7. Operator(s) : Deepak, Nilesh, Shilpa 8. Command File : /odisk/gtac/cmd/35_097/11_jan/obs.cmd 9. LTA File : /gsbifrdata1/11jan/35_097_11jan2018.lta, /gwbifrdata2/11jan/35_097_11jan2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/35_097.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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_lenyadri 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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C01 : Servo problem. C02 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 11 Jan 2019 03:00:00 - 11 Jan 2019 10:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : ------------GWB Setting---------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 35_097 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 : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF --------------------------------------------------------------------------- 03:14 : Started scan on 3C286 for ~ 4.96605 min. 03:21 : '/odisk/gtac/cmd/35_097/11_jan/obs.cmd' command file started. 09:43 : Stopped scan and command file. 09:44:25 : Started scan on 1445+099 for ~ 5.50292 min. 09:52:33 : Started scan on 3C286 for ~ 11.0058 min. 10:04 : Stopped scan and closed observations.