GTAC Observation Log 1. Date : 03/06/2019 2. Observation Sr. No. : 11130 3. Observer : Aleksandar Shulevski, Marisa Brienza, Raffaella Morganti 4. Observer's Email : a.shulevski@uva.nl, m.brienza@ira.inaf.it, morganti@astron.nl 5. Project Name : Determining the radiative age of a novel AGN radio remnant in Abell 1318 6. Project Code : 36_020 7. Operator(s) : Manisha, Pramod, Shilpa 8. Command File : /odisk/gtac/cmd/36_020/03jun19/obs_03jun19.cmd 9. LTA File : /gsbifrdata1/03jun/36_020_03jun19.lta, /gwbifrdata/03jun/36_020_03jun2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_020.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C03 : 175 pol no fringe. W01 : 130 pol very low fringe. C10 : Chksum error in GABS. S02 : Painting. S06 : Fiber cut. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Jun 2019 14:00:00 - 03 Jun 2019 22:50:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : S04 : No fringe in GSB. Scan no. 0 and 1 are bad in GSB. ------------GWB Setting--------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 36_020 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 settings. 14:45 : GWB was not fringing. Restarted GWB. 15:01 : Started scan on 3C147. 15:10 : Stopped scan. 15:14 : '/odisk/gtac/cmd/36_020/03jun19/obs_03jun19.cmd' command file started. 16:15 : C10 started working. 17:09 : S06 started working. 17:30 : S02 started working. 18:55 : E-arm power failed. 19:20 : E-arm started working except E06. 19:25 : E-arm power restored back. 19:37 : E-arm started working. 21:22 : C06 got abc reset. 21:35 : C06 started working. 22:32 : Stopped command file. 22:34 : Started scan on 3C295. 22:47 : Stopped scan and observation session is over. -------------------------------------------------------------------------- Note : At the start of the observation half hour lost due to GWB, so observation extended for half hour. --------------------------------------------------------------------------