GTAC Observation Log 1. Date : 03/05/2019 2. Observation Sr. No. : 11036 3. Observer : Barnali Das, Poonam Chandra, Wade, Matthew Shultz 4. Observer's Email : barnali@ncra.tifr.res.in, poonam@ncra.tifr.res.in, marmottecam@yahoo.ca, matt.shultz@gmail.com 5. Project Name : Searching for coherent emission from magnetic B type stars at uGMRT frequencies 6. Project Code : 36_031 7. Operator(s) : Deepak, Rupsing, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/36_031/3_may/obs.cmd 9. LTA File : /gsbifrdata1/03may/36_031_03may2019_gsb.lta, /gwbifrdata2/03may/36_031_03may2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_038.FLAGS.1 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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C02 : Callsheet work. C12 : Mechanical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 May 2019 14:00:00 - 03 May 2019 17:00:00 35. ONLINE Machine : Shivneri 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 : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 36_031 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 -------------------------------------------------------------------------- 14:00 : Started settings. 14:13 : Started scan on 3C48 for ~ 5.10027 min. 14:24 : '/odisk/gtac/cmd/36_031/3_may/obs.cmd' command file started. 16:05 : C02 released for observation. 16:46 : Stopped command file. 16:52 : Started scan on 3C147. 17:02 : Stopped scan and observing session is over.