GTAC Observation Log 1. Date : 15/06/2018 2. Observation Sr. No. : 10339 3. Observer : Anandmayee Tej, Paula Benaglia, Santiago delPalacio, Sarita Vig, Samir Mandal, C.H. IshwaraChandra, Swarna Kanti Ghosh 4. Observer's Email : anandmayee.tej@gmail.com, pben.radio@gmail.com, sdelpalacio@iar.unlp.edu.ar, sarita@iist.ac.in, samir@iist.ac.in, ishwar@ncra.tifr.res.in, swarna@ncra.tifr.res.in 5. Project Name : Investigating the low-frequency radio emission in Wolf-Rayet bubbles 6. Project Code : 34_088 7. Operator(s) : Deepak, Pramod, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/34_088/obs.cmd 9. LTA File : /gsbifrdata1/14jun/34_088_14jun2018_gsb.lta, /gwbifrdata1/14jun/34_088_14jun2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/34_088.FLAGS 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 : 16.1061 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): 14 Jun 2018 21:00:00 - 15 Jun 2018 05:02:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : 20:30:00 : Staretd set-up. ------------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 : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 34_088 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 : For 32 inputs GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------------------------- 20:42 : Started scan on 3C286 for ~ 14.7639 min. 21:06 : Started command file. "/odisk/gtac/cmd/34_088/obs.cmd" 04:41 : Stopped command file. 04:47 : Started scan on 3C48. 05:02 : Stopped scan and observing session over.