GTAC Observation Log 1. Date : 11/11/2019 2. Observation Sr. No. : 11577 3. Observer : Barnali Das, Poonam Chandra, Wade, Matthew Shultz, James Sikora 4. Observer's Email : barnali@ncra.tifr.res.in, poonam@ncra.tifr.res.in, marmottecam@yahoo.ca, matt.shultz@gmail.com, james.sikora@queensu.ca 5. Project Name : Low frequency study of the Ap star HD 12447 6. Project Code : 37_034 7. Operator(s) : Navnath, Rupsing 8. Command File : /odisk/gtac/cmd/37_034/10_nov/obs.cmd 9. LTA File : /gsbifrdata1/10nov/37_034_10nov2019_gsb.lta, /gwbifrdata2/10nov/37_034_10nov2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_034.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 :27 32. Name of Non-Working Antennas (with reason for each) : C04 : : Mechanical Work C06 : : No fringe in GSB. GWB Ok E05 : : Servo problem 33. Note for Backup : 34. Start and End Time of Obs.(IST): 10 Nov 2019 18:00:00 - 11 Nov 2019 04:05:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. 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 : 37_034 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 : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ---------- 18:00:00 : Started setup. 18:05:06 : Started scan on 3C48 for ~ 17.5154 min for GSB. 18:15:20 : Started scan on 3C48 for ~ 4.83183 min for GWB 18:22:00 : scan stopped. 18:25:00 : Track change from outer to inner. 18:40:42 : started cmd file. /odisk/gtac/cmd/37_034/10_nov/obs.cmd 19:50:00 : Restarted cmd file. ------------------------------------------------------------------------ 03:50 : Stopped command file. 03:52 : Started scan on 3C48 04:00 : Stopped scan and observation session over.