GTAC Observation Log 1. Date : 23/03/2019 2. Observation Sr. No. : 10981 3. Observer : Igor Zinchenko, Peter M. Zemlyanukha, Devendra Kumar Ojha, Swarna Kanti Ghosh 4. Observer's Email : zin@appl.sci-nnov.ru, g.pzemlyan@gmail.com, ojha@tifr.res.in, swarna@ncra.tifr.res.in 5. Project Name : Properties and kinematics of the ionised gas in the S255 HMSF region from recombination lines observations 6. Project Code : 35_012 7. Operator(s) : Navnath, Nilesh, Pramod, Surender 8. Command File : /odisk/gtac/cmd/35_012/obs_23mar19.cmd 9. LTA File : /gwbifrdata2/23mar/35_012_23mar2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/35_012.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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 : 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) : 1454 1454 1505 1505 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) : S02 : : Structural Repair Work 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Mar 2019 14:00:00 - 23 Mar 2019 22:30:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 100.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 16384 GPU_CHAN_NUM : 0:16383:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1325 1325 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 35_012 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 : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 14:00 : Started setup. 14:15 : Started scan on 3C147 for 10 min. 14:30 : Started command file. /odisk/gtac/cmd/35_012/obs_23mar19.cmd 16:24 : S02 released for observation. 21:58 : Stopped command file. 22:00 : Started scan on 3C147. 22:15 : Stopped scan and observation session is over.