GTAC Observation Log 1. Date : 14/06/2020 2. Observation Sr. No. : 12106 3. Observer : Yulan Liu, Joris PW Verbiest, Krishnakumar MA, George Hobbs, Abhimanyu Susobhanan, BHAL CHANDRA JOSHI, Shi Dai, Ziwei Wu 4. Observer\'s Email : yliu@physik.uni-bielefeld.de, verbiest@physik.uni-bielefeld.de, kk.ambalappat@gmail.com, george.hobbs@csiro.au, s.abhimanyu@tifr.res.in, bcj@ncra.tifr.res.in, shi.dai@csiro.au, zwu@physik.uni-bielefeld.de 5. Project Name : Probing the Ionised Interstellar Medium with Pulsars 6. Project Code : 38_026 7. Operator(s) : Nilesh 8. Command File : /odisk/gtac/cmd/38_026/14jun20/obs.txt 9. LTA File : /gsbifrdata/14jun/38_026b_14jun2020_band3_gsb.lta, /gsbifrdata/14jun/38_026a_14jun2020_band4_gsb.lta, /gwbifrdata/14jun/38_026B_14jun2020_band3_gwb.lta, /gwbifrdata/14jun/38_026A_14jun2020_band4_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_026B.FLAGS.2, /odisk/online1/logflags/38_026B.FLAGS.1, /odisk/online1/logflags/38_026A.FLAGS.2, /odisk/online1/logflags/38_026A.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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : C11 : W05 : W06 : 33. Note for Backup : 34. Start and End Time of Obs.(IST): 14 Jun 2020 02:00:00 - 14 Jun 2020 06:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 8 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_RF3 : 500 500 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 38_026B GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 38_026A GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : Voltage GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: Total=0 # BEAM-1:175 :: Total=0 # BEAM-2:130 :: C01 C02 C06 C08 C09 C12 C14 Total=7 # BEAM-2:175 :: C01 C02 C06 C08 C09 C12 C14 Total=7 # BEAM-3:130 :: C00 C04 C05 C10 C13 E02 E03 S01 S02 W01 W02 Total=11 # BEAM-3:175 :: C00 C04 C05 C10 C13 E02 E03 S01 S02 W01 W02 Total=11 # BEAM-4:130 :: Total=0 # BEAM-4:175 :: Total=0 01:40 : Started settings. 01:50 : Started power eq at 120 counts on 3C286. 01:57 : 3C286 set below horizon. 02:10 : Started phasing on 1625-311. 02:14:21 : Started scan on 1625-311 for ~ 2.55013 min. 02:17:21 : Started scan on 1625-311 for ~ 8.99258 min. 02:26:42 : Started scan on 1625-311 for ~ 5.50292 min. 02:34:49 : Started scan on J1651-4246 for ~ 10.3348 min. 02:48:10 : Started scan on 1822-096 for ~ 0.939523 min. 02:49:33 : Started scan on 1822-096 for ~ 2.14748 min. 02:52:08 : Started scan on 1822-096 for ~ 1.87905 min. 02:56:04 : Started scan on J1837-0653 for ~ 45.634 min. 03:43:58 : Started scan on 1822-096 for ~ 0.805306 min. 03:45:13 : Started scan on 1822-096 for ~ 0.671088 min. 03:48:00 : Started scan on J1842-0905 for ~ 55.5661 min. 04:45:57 : Started scan on 1822-096 for ~ 0.939523 min. 04:47:12 : Started scan on 1822-096 for ~ 0.671088 min. 04:50:00 : Started scan on J1844-0538 for ~ 45.7682 min. 05:44:21 : Started scan on 3C48 for ~ 0.939523 min. 05:45:36 : Started scan on 3C48 for ~ 1.61061 min. 05:49:24 : Started scan on 3C48OFF for ~ 1.61061 min. 05:55 : observation closed.