GTAC Observation Log 1. Date : 29/10/2018 2. Observation Sr. No. : 10608 3. Observer : Fabian Jankowski, Evan Francis Keane 4. Observer's Email : fabian.jankowski@manchester.ac.uk, evan.keane@gmail.com 5. Project Name : Follow-up of pulsars with spectral features with the upgraded GMRT 6. Project Code : 35_020 7. Operator(s) : Pramod, Rupsing, Sachin 8. Command File : /odisk/gtac/cmd/35_020/29oct18_1/29oct18.cmd 9. LTA File : /gwbifrdata/29oct/35_020_suba4_gablo_1460_29oct18_gwb.lta, /gwbifrdata/29oct/35_020A_suba2_gablo_500_29oct18_gwb.lta, /gwbifrdata1/29oct/35_020_1460_29oct18_gwb.lta, /gwbifrdata2/29oct/35_020_500_29oct18_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2931 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , 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) : 1371 1371 1320 1320 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :24 32. Name of Non-Working Antennas (with reason for each) : C01,C14 and W06 : Taken for mechanical work. W05 : Taken for electrical work. S03 and S01 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Oct 2018 12:00:00 - 29 Oct 2018 17:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :24 37. 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_RF2 : 500 500 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 35_020A GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 35_020 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : PA 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 -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C06 C08 C10 C12 C13 E02 E03 E04 E05 E06 S02 S04 S06 W02 W03 W04 Total=17 # BEAM-1:175 :: C00 C06 C08 C10 C12 C13 E02 E03 E04 E05 E06 S02 S04 S06 W02 W03 W04 Total=17 # BEAM-2:130 :: C02 C03 C04 C05 C09 C11 W01 Total=7 # BEAM-2:175 :: C02 C03 C04 C05 C09 C11 W01 Total=7 Note : Data recorded on following machine. Beam1 gwbh7 : /data3/gpuuser/35_020_29oct2018/* Beam2 gwbh8 : /data3/gpuuser/35_020_29oct2018/* 12:00 : Started set up. 12:45 : Power equalized and phasing done on 3C286. 12:48 : Started command file. '/odisk/gtac/cmd/35_020/29oct18_1/29oct18.cmd' 12:48 to 13:20 : GWB problem. (Process psr was running in background.Hence kill all processes on gwbh7 and gwbh8.) 13:20 : Started command file. '/odisk/gtac/cmd/35_020/29oct18_1/29oct18.cmd' 14:28 : Electrical power failure to West arm antennas and hence removed west arm antennas from GAC. 15:00 : West arm antennas added in GAC. ----------------------------------------------------------------------- 16:51 : Stopped command file ----------------------------------------------------------------------- 16:55 : Started phasing on 3C286. 16:57 : Phasing done. 16:58 : No data record due to 3C286 set. ----------------------------------------------------------------------- 17:00 : Observation session over.