GTAC Observation Log 1. Date : 18/10/2019 2. Observation Sr. No. : 11503 3. Observer : Natasha Hurley-Walker, Huib T Intema, Christopher John Riseley 4. Observer's Email : nhw@icrar.org, huib.intema@curtin.edu.au, chris.riseley@csiro.au 5. Project Name : Candidate diffuse cluster radio sources selected from GLEAM 6. Project Code : 37_108 7. Operator(s) : Nilesh, Pramod, Sachin 8. Command File : /data1/gtac/cmd/37_108/obs1.py, /data1/gtac/cmd/37_108/obs2.py 9. LTA File : /gsbifrdata/17oct/37_108_17oct2019_gsb.lta, /gwbifrdata/17oct/37_108_17oct2019_gwb.lta.1, /gwbifrdata/17oct/37_108_17oct2019_gwb.lta 10. LogFlag File : 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 : 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 : PA 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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :24 32. Name of Non-Working Antennas (with reason for each) : C04 : Taken for mechanical work C10 : No fringe in both GSB and GWB E02 : No fringe in GSB and GWB S06 : No fringe in GSB and GWB W03 : No fringe in GSB and GWB C11 : No fringe in GWB E06 : 130 pol low fringe in GWB only. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Oct 2019 18:00:00 - 18 Oct 2019 01:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :24 37. RFI Status : 38. Comments (During Observations) : 18:00 : Started set up. 18:17 : Started scan on 3C468.1 for 3 min. 18:20 : Stopped scan and started command file. '/data1/gtac/cmd/37_108/obs1.py' NOTE : S11 source set at 19:37.Hence data recorded from 19:37 to 19:51 on S11 source is not useful.Please ignore this data. 20:45 : Stopped command file. 20:53 : Started scan on 3C48 for 15 min. 21:08 : Stopped scan and started command following file. '/data1/gtac/cmd/37_108/obs2.py' 23:34 : Stopped comamnd file. 23:40 : Started scan on 3C48 for ~ 15 min. 23:55 : Stopped scan and observations closed.