GTAC Observation Log 1. Date : 28/11/2015 2. Observation Sr. No. : 8208 3. Observer : Srikrishna Sekhar, Shweta, C.H. IshwaraChandra, Ramana Athreya 4. Observer's Email : sekhars@students.iiserpune.ac.in, ashweta@students.iiserpune.ac.in, ishwar@ncra.tifr.res.in, rathreya@iiserpune.ac.in 5. Project Name : The Evolution of Spatial Structure of Spectral Index in Dead/Dying Radio Sources 6. Project Code : 29_062 7. Operator(s) : Deepak, Nilesh 8. Command File : /odisk/gtac/cmd/26_092/28nov/obs.cmd 9. LTA File : /gsbifrdata/28nov/29_062_28nov2015.lta, /gsbifrdata1/28nov/29_062_28nov2015_2s.lta 10. LogFlag File : /odisk/online1/logflags/29_062.FLAGS.3, /odisk/online1/logflags/29_062.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : 16.666666 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 156 156 218 218 62 62 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) : C02 : Feed jam C11 : CST painting. W03 : BLDC 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Nov 2015 04:00:00 - 28 Nov 2015 12:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 04:15 : Started command file. 09:40 : C04 taken for painting. 10:50 : C02 released for observation,and started working. 12:01 : Stopped command file and started scan on 3c286 for ~ 7 min. 12:09 : Stopped scan and closed observation session.