GTAC Observation Log 1. Date : 27/10/2018 2. Observation Sr. No. : 10601 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, Shilpa 8. Command File : /odisk/gtac/cmd/35_020/27oct2018/obs.cmd 9. LTA File : /gwbifrdata1/27oct/35_020_27oct2018_gwb.lta.3, /gwbifrdata1/27oct/35_020_27oct2018_gwb.lta.2, /gwbifrdata1/27oct/35_020_27oct2018_gwb.lta.1, /gwbifrdata1/27oct/35_020_27oct2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2927, /odisk/online1/logflags/35_020.FLAGS.1 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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C02 : All MCM timeout. W05 : ABC timeout. W06 : Surface refurbishment work. S03 : 175 pol bad bandshape. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Oct 2018 13:00:00 - 27 Oct 2018 18:20:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 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_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 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : PA 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-3:130 :: C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 Total=20 # BEAM-3:175 :: C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 W03 Total=20 --------------------------------------------------------------------------- 13:00 : Started settings. 13:30 : Power equalized on 3C286 @ 120 counts for GWB. 13:37 : Phasing done on 3C286. 13:40 : GWB gives the error "Acquisition got killed", so halted GWB. 13:50 : Restarted GWB. 14:00 : Phasing done on 3C286. 14:02 : Started scan on 3C286 for ~ 8.76888 min. 14:15 : '/odisk/gtac/cmd/35_020/27oct2018/obs.cmd' command file started. 15:00 : Halted GWB and restarted. Note : Data is recorded on following machine. IA : gwbh7 : /data2/gpuuser/35_020_27oct2018/* PA : gwbh10 : /data2/gpuuser/35_020_27oct2018/* ------------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 : 35_020 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : PA 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 --------------------------------------------------------------------------- 15:07 : Restarted command file. S01 servo problem, so removed from GAC. --------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S02 S03 S04 S06 W01 W02 W04 Total=25 # BEAM-1:175 :: C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S02 S04 S06 W01 W02 W03 W04 Total=25 # BEAM-4:130 :: C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S02 S03 W01 W02 Total=19 # BEAM-4:175 :: C00 C01 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S02 W01 W02 W03 Total=19 --------------------------------------------------------------------------- 15:42 : C02 started working, so added in GAC. --------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S02 S03 S04 S06 W01 W02 W04 Total=26 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S02 S04 S06 W01 W02 W03 W04 Total=26 # BEAM-4:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S02 S03 W01 W02 Total=20 # BEAM-4:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S02 W01 W02 W03 Total=20 --------------------------------------------------------------------------- 17:07 : W06 released for observation hence added in GAC. Note : As flux calibrator was not available for observation hence not taken at the end. 18:00 Stopped command file and observation session is over.