GTAC Observation Log 1. Date : 21/09/2019 2. Observation Sr. No. : 11478 3. Observer : bhaswati.bhattacharyya78@gmail.com, jroy@ncra.tifr.res.in 4. Observer's Email : bhaswati.bhattacharyya78@gmail.com, jroy@ncra.tifr.res.in 5. Project Name : Pulsar Observation 6. Project Code : DDTC088 7. Operator(s) : Deepak, Nilesh, Shilpa 8. Command File : /odisk/gtac/cmd/jroy/ddtc088_21sep.cmd 9. LTA File : /gsbifrdata1/21sep/ddtc088_21sep2019_gsb.lta, /gwbifrdata/21sep/ddtc088_21sep2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC088.FLAGS.3 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 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 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 : PA 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) : 591 591 540 540 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) : C00 : Mechanical work. C13 : FE problem. E04 : ABC timeout. W03 : 175 pol very low self. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Sep 2019 13:45:00 - 21 Sep 2019 15:00:00 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 : 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 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : DDTC088 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : OFF GPU_BEAM_3 : PA GPU_BEAM_4 : OFF 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 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 E05 E06 S01 S02 S03 S04 S06 W01 W02 W04 W05 W06 Total=26 # BEAM-1:175 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 E05 E06 S01 S02 S03 S04 S06 W01 W02 W04 W05 W06 Total=26 # BEAM-2:130 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 S03 S04 W01 W02 W04 Total=21 # BEAM-2:175 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 S03 S04 W01 W02 W04 Total=21 -------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 S03 S04 W01 W02 W04 Total=21 # BEAM-1:175 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 S03 S04 W01 W02 W04 Total=21 # BEAM-3:130 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 S03 S04 W01 W02 W04 Total=21 # BEAM-3:175 :: C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 S03 S04 W01 W02 W04 Total=21 -------------------------------------------------------------------------- 13:45 : Started settings. 14:08 : Power equalized and phasing done on 1154-350 for GSB and GWB. 14:09 : '/odisk/gtac/cmd/jroy/ddtc088_21sep.cmd' command file started. 15:00 : Stopped command file and observing session over.