GTAC Observation Log 1. Date : 19/09/2018 2. Observation Sr. No. : 10542 3. Observer : pavan kumar vishwakarma, Prasun Dutta, Nirupam Roy, Somnath Bharadwaj, Preetha Saha 4. Observer's Email : pavankv.rs.phy15@itbhu.ac.in, pdutta.phy@itbhu.ac.in, roy.nirupam@gmail.com, somnath@phy.iitkgp.ernet.in, preethasaha06@gmail.com 5. Project Name : Mapping structure in the Cold Neutral Medium and Supernovae Remnants 6. Project Code : 34_095 7. Operator(s) : Deepak, Nilesh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/34_095/pavan1.cmd, /odisk/gtac/cmd/34_095/pavan2.cmd 9. LTA File : /gsbifrdata1/18sep/34_095_18sep2018_gsb.lta, /gwbifrdata/18sep/34_095_18sep2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2896, /odisk/online1/logflags/34_095.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1427.8748 MHz ,RF2 : 1427.8748 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1490 MHz, ILO2 : 1490MHz , IVLO1 : 62.1252 MHz, IVLO2 : 62.1252 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 16.666666 MHz 24. Final BW : 2 MHz; Step # 4 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137.8748 28. LO5 -2 : 167.1252 29. Frequency Parameters (TPA) : 1427.8748 1427.8748 1490 1490 62.1252 62.1252 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : W06 : Low fringe due to surface refurbishment work. E05 : Feed problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 18 Sep 2018 20:00:00 - 19 Sep 2018 04:15:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 20:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 2 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 25.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 16384 GPU_CHAN_NUM : 0:16383:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1450 1450 GPU_DDCLO4 : 19.0000 19.0000 GPU_SB4 : 1 1 GCODE4 : 34_095 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 : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 20:38 : Started scan on 3C468.1 for ~ 8.05306 min. 20:49 : '/odisk/gtac/cmd/34_095/pavan1.cmd' command file started. 20:59 : E05 started working, but shows low fringe. 22:54 : Stopped command file. 23:01 : Started scan on 3C48 for 12mins. 23:15 : Started next command file. /odisk/gtac/cmd/34_095/pavan2.cmd 03:41 : Stopped command file. 03:42:32 : Started scan on B2352+495 for ~ 3.89231 min. 03:50:25 : Started scan on J0120-153 for ~ 5.90557 min. 03:59:45 : Started scan on 3C48 for ~ 11.9454 min. 04:13 : Stopped observation.