GTAC Observation Log 1. Date : 16/08/2019 2. Observation Sr. No. : 11344 3. Observer : Bhaswati Bhattacharyya 4. Observer's Email : bhaswati.bhattacharyya78@gmail.com 5. Project Name : Pulsar Observation 6. Project Code : DDTC064 7. Operator(s) : Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/jroy/ddt_16aug.cmd 9. LTA File : /gsbifrdata1/16aug/ddtc064_16aug2019_gsb.lta, /gwbifrdata1/16aug/ddtc064_16aug2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC064.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 : 20+10 dB, 32 MHz,OFF, IF-CH2 : 20+10 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : IA 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 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 :26 32. Name of Non-Working Antennas (with reason for each) : E04 : Fiber cut. E05 : Fiber cut. E06 : Fiber cut. W06 : ABC timeout. C04 : MCM-10 timeout. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 16 Aug 2019 14:00:00 - 16 Aug 2019 16:05:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : ------------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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTC064 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : IA GPU_BM_INT : 4 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------------------------------------------------- # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 Total=25 # BEAM-1:175 :: C00 C01 C02 C03 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 Total=25 -------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-4:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 Total=26 # BEAM-4:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 Total=26 -------------------------------------------------------------------------- 14:00 : Started settings. 14:25 : Power equalized on 1154-350. 14:28 : Started scan on 1154-350 for ~ 2.6508 min. 14:33 : '/odisk/gtac/cmd/jroy/ddt_16aug.cmd' command file started. 16:00 : Stopped command file and observation session over.