GTAC Observation Log 1. Date : 17/09/2019 2. Observation Sr. No. : 11465 3. Observer : Jayanta Roy 4. Observer's Email : jroy@ncra.tifr.res.in 5. Project Name : DDT Obsevation 6. Project Code : DDTC088 7. Operator(s) : Navnath, Nilesh 8. Command File : /odisk/gtac/cmd/jroy/ddtc088_17sep.cmd 9. LTA File : /gsbifrdata/17sep/ddtc088_17sep2019_gsb.lta, /gwbifrdata2/17sep/ddtc088_17sep2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC088.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C00 : : Servo Problem C04 : : No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Sep 2019 13:00:00 - 17 Sep 2019 14:15:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : 13:00:00 : Started setup. : Started power eq and phasing for both GSB and GWB. ------------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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTC088 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 -------------------------------- 13:02:26 : Started scan on 1154-350 for ~ 3.99297 min. 13:07:35 : Started scan on 1154-350 for ~ 2.68435 min. 13:10:29 : Started scan on 1154-350 for ~ 2.6508 min. 13:13:18 : Started scan on 1154-350 for ~ 0.637534 min. : Phasing and power eq done for both GSB and GWB. :::::::::::::: # GSB GAC configuration is as follows : :::::::::::::: # BEAM-1:130 :: C01 C02 C03 C05 C06 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=25 # BEAM-1:175 :: C01 C02 C03 C05 C06 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=25 # BEAM-2:130 :: C01 C02 C03 C05 C06 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S03 S04 W01 W02 W03 W04 W05 Total=23 # BEAM-2:175 :: C01 C02 C03 C05 C06 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S03 S04 W01 W02 W03 W04 W05 Total=23 :::::::::::::: # GWB GAC configuration is as follows : :::::::::::::: # BEAM-3:130 :: C01 C02 C03 C05 C06 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S03 S04 W01 W02 W03 W04 W05 Total=23 # BEAM-3:175 :: C01 C02 C03 C05 C06 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S03 S04 W01 W02 W03 W04 W05 Total=23 13:15:24 : Started cmd file. /odisk/gtac/cmd/jroy/ddtc088_17sep.cmd 14:10:00 : Stopped scan and observations closed.