GTAC Observation Log 1. Date : 17/02/2018 2. Observation Sr. No. : 10102 3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Nikhil Vijay Naik, Kishalay De, Yogesh Maan, Manjari Bagchi, Jayanta Roy, Gopakumar Achamveedu 4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, naiknikhil27@gmail.com, ugkishalayde@ug.iisc.in, ymaan@ncra.tifr.res.in, manjari.bagchi@gmail.com, jroy@ncra.tifr.res.in, gopu.tifr@gmail.com 5. Project Name : Towards precision pulsar timing with the upgraded GMRT 6. Project Code : 33_076 7. Operator(s) : Navnath, Rupsing 8. Command File : /odisk/gtac/cmd/33_076/cmdfile_33_076_3-freqs_4-beams_S1_17feb18.txt 9. LTA File : /gwbifrdata/17feb/33_076_17feb2018_750lo_gwb.lta, /gwbifrdata/17feb/33_076_17feb2018_500lo_gwb.lta, /gwbifrdata/17feb/33_076_17feb2018_1460lo_gwb.lta 10. LogFlag File : /odisk/online1/logflags/33_076C.FLAGS.22, /odisk/online1/logflags/33_076B.FLAGS.22, /odisk/online1/logflags/33_076.FLAGS.29 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : E06 : : Painting Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Feb 2018 18:00:00 - 17 Feb 2018 22:20:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E05 S03 S04 S06 W03 W04 W05 Total=16 # BEAM-1:175 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E05 S03 S04 S06 W03 W04 W05 Total=16 # BEAM-2:130 :: C01 C04 C06 S01 W01 Total=5 # BEAM-2:175 :: C01 C04 C06 S01 W01 Total=5 # BEAM-3:130 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E05 S03 S04 S06 W03 W04 W05 Total=16 # BEAM-3:175 :: C00 C05 C08 C10 C11 C12 C13 C14 E02 E05 S03 S04 S06 W03 W04 W05 Total=16 # BEAM-4:130 :: C02 C03 C09 E03 S02 W02 Total=6 # BEAM-4:175 :: C02 C03 C09 E03 S02 W02 Total=6 ------------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_RF2 : 500 500 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 33_076B GPU_RF3 : 750 750 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 33_076C GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 33_076 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : PA GPU_BEAM_3 : PA GPU_BEAM_4 : PA GPU_BM_INT : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF --------------------------------------------------------------------------------------------- 17:00:00 : Started setup. 17:30:00 : Started power eq and phasing. 17:45:00 : Phasing done. 17:50:00 : Started cmd file. /odisk/gtac/cmd/33_076/cmdfile_33_076_3-freqs_4-beams_S1_17feb18.txt 17:53:55 : Started scan on 3C48 for ~ 1.16322 min. 17:55:24 : Started scan on 3C48 for ~ 0.894784 min. 18:00:58 : Started scan on J0340+4130 for ~ 20.6695 min. 18:30:34 : Started scan on 0440-435 for ~ 1.07374 min. 18:32:03 : Started scan on 0440-435 for ~ 0.894784 min. 18:35:01 : Started scan on J0437-4715 for ~ 20.6695 min. ---------------------------------------------------------------------- 19:00:00 : E06 Added in GAC. ---------------------------------------------------------------------- 19:06:20 : Started scan on 0534+194 for ~ 1.07374 min. 19:07:50 : Started scan on 0534+194 for ~ 0.894784 min. 19:12:17 : Started scan on J0613-0200 for ~ 20.58 min. 19:38:59 : Started scan on 3C147 for ~ 1.16322 min. 19:40:28 : Started scan on 3C147 for ~ 0.984262 min. 19:43:46 : Started scan on J0645+5158 for ~ 20.58 min. 20:10:46 : Started scan on 0744-064 for ~ 1.16322 min. 20:12:16 : Started scan on 0744-064 for ~ 0.894784 min. 20:16:20 : Started scan on J0751+1807 for ~ 20.58 min. 20:40:50 : Started scan on 0834+555 for ~ 1.16322 min. 20:42:24 : Started scan on 0834+555 for ~ 0.894784 min. 20:45:42 : Started scan on J1012+5307 for ~ 20.6695 min. 21:12:52 : Started scan on 0837-198 for ~ 1.16322 min. 21:14:26 : Started scan on 0837-198 for ~ 0.894784 min. 21:18:44 : Started scan on J1022+1001 for ~ 20.6695 min. 21:43:47 : Started scan on 0837-198 for ~ 1.2527 min. 21:45:26 : Started scan on 0837-198 for ~ 0.805306 min. 21:49:16 : Started scan on J1024-0719 for ~ 20.58 min. 22:10:00 : Observation session over. -------------------------------------------------------------------------