GTAC Observation Log 1. Date : 24/11/2017 2. Observation Sr. No. : 9893 3. Observer : Sabyasachi Pal, Dusmanta Patra, Sanjay S. Kudale 4. Observer's Email : sabya.pal@gmail.com, dusmanta.phy@gmail.com, ksanjay@gmrt.ncra.tifr.res.in 5. Project Name : Transient nature of J195754\\+353513 6. Project Code : 33_046 7. Operator(s) : Navnath, Rupsing, Sachin 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/24nov/33_046_lband_24nov2017.lta, /gsbifrdata1/24nov/33_046_610_24nov2017_2s.lta, /gsbifrdata1/24nov/33_046_610_24nov2017.lta, /gsbifrdata1/24nov/33_046_24nov2017_2s.lta, /gwbifrdata1/24nov/33_046_24nov2017_gwb_610_2s.lta, /gwbifrdata1/24nov/33_046_24nov2017_gwb_610.lta, /gwbifrdata1/24nov/33_046_24nov2017_gwb.lta.1, /gwbifrdata1/24nov/33_046_24nov2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2557 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1449 MHz ,RF2 : 1449 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1500 MHz, ILO2 : 1500MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 20+10 dB, 32 MHz,OFF, IF-CH2 : 20+10 dB, 32 MHz,OFF 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 : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : IA 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1449 1449 1500 1500 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C01 : MCM 5 C14 : 130 no fringe.(GWB working) E06 : taken for Repainting. W05 : Painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 Nov 2017 10:50:00 - 24 Nov 2017 13:20:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 11:10 : Setup done. 11:11 : Started scan on 3C286 for power eq. 11:12 : Strong RFI due to satellite. ------------------------------------------------------------------------- 11:13 : Phase cal not available. ------------------------------------------------------------------------- ------------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 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 33_046 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : For 32 inputs GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ---------------------------------- 11:25 : Started scan on phase cal. 11:40 : Power eq on phase cal. ------------------------------------------------------------------------- 11:42:28 : Started scan on 2025+337 for ~ 8.32149 min. 11:51:43 : Started scan on J1957+35 for ~ 65.4982 min. 12:58:06 : Started scan on 2025+337 for ~ 4.83183 min. 13:07:56 : Started scan on 3C286 for ~ 12.6165 min. 13:20:00 : Stopped scan and observation closed.