GTAC Observation Log 1. Date : 20/09/2020 2. Observation Sr. No. : 12445 3. Observer : Nayana A J 4. Observer\'s Email : nayan89deva@gmail.com 5. Project Name : DDT Observation 6. Project Code : DDTC149 7. Operator(s) : Navnath, Sachin 8. Command File : /odisk/gtac/cmd/nayana/ddtc149/obs.cmd 9. LTA File : /gsbifrdata1/20sep/ddtc149_20sep2020.lta, /gwbifrdata/20sep/ddtc149_20sep2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/DDTC149.FLAGS.2, /odisk/online1/logflags/38_109.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_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) : 1409 1409 1460 1460 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E06 : ABC Time out/ S04 : ABC Time out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 20 Sep 2020 20:00:00 - 20 Sep 2020 22:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. 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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1450 1450 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTC149 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 20:00 : Started setup. 20:10 : Started cmd file. /odisk/gtac/cmd/nayana/ddtc149/obs.cmd 20:13:02 : Started scan on 1634+627 for ~ 4.96605 min. 20:21:38 : Started scan on ZTF20ABT for ~ 30.6016 min. 20:53:04 : Started scan on 1634+627 for ~ 4.83183 min. 21:01:17 : Started scan on ZTF20ABT for ~ 30.4674 min. 21:32:41 : Started scan on 1634+627 for ~ 4.83183 min. 21:44:20 : Started scan on 3C48 for ~ 15.0324 min. 22:00:00 : Observation session over. ------------------------------------------------------------