GTAC Observation Log 1. Date : 16/06/2015 2. Observation Sr. No. : 7847 3. Observer : Subhashis Roy, David Alan Green, Sabyasachi Pal 4. Observer's Email : roy@ncra.tifr.res.in, dag@mrao.cam.ac.uk, sabya@csp.res.in 5. Project Name : Confirming candidate supernova remnants in the Galactic fourth quadrant with GMRT 6. Project Code : 28_067 7. Operator(s) : Deepak, Rupsing, Sachin 8. Command File : /odisk/gtac/cmd/roy/28_067.15jun.15.cmd 9. LTA File : /gsbifrdata/15jun/28_067_15jun2015.lta 10. LogFlag File : /odisk/online1/logflags/28_067.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1151 MHz ,RF2 : 1151 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1100 MHz, ILO2 : 1100MHz , 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 : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1151 1151 1100 1100 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C05 : - Servo problem C10 : - Servo problem. E04 : - Maintenance. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Jun 2015 23:00:00 - 16 Jun 2015 03:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 23:26 : Started scan on 3C286 for 7 mins. 23:29 : Started command file. 03:05 : Stopped command file. 03:14 : Started scan on 3C48 for 5 mis. 03:20 : Stopped scan on 3C48 and closed observation session .