GTAC Observation Log 1. Date : 30/11/2015 2. Observation Sr. No. : 8211 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) : Nilesh, Pramod, Surender 8. Command File : /odisk/gtac/cmd/29_062/29novobs.cmd,, /odisk/gtac/cmd/29_062/29nov/s6/obs.cmd 9. LTA File : /gsbifrdata1/29nov/29_062_29nov2015_2s.lta.1, /gsbifrdata1/29nov/29_062_29nov2015_2s.lta, /gsbifrdata1/29nov/29_062_29nov2015.lta.1, /gsbifrdata1/29nov/29_062_29nov2015.lta 10. LogFlag File : /odisk/online1/logflags/29_062.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 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) : C06 : : Feed problem. C11 : : Feed jammed. W03 : : BLDC. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Nov 2015 08:20:00 - 30 Nov 2015 01:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : 08:20 : Started set-up. 08:29 : Started scan on 3C286. 08:55 : Started command file. '/odisk/gtac/cmd/29_062/29novobs.cmd' 09:18 : C06 problem solved and C04 taken for Painting. 10:00 : C11 problem solved and released for observation. 15:51 : C04 released from painting and hence taken for observation. 17:48 : Stopped command file. 17:56 : Started scan on 3C48 for 7 min.(This flux cal. is common for both .lta files) 17:01 : Started next command file. '/odisk/gtac/cmd/29_062/29nov/s6/obs.cmd' 18:30 : W03 released for observation. 00:20 : Command file stopped. 00:25 : Started scan on 3C48. 01:00 : Observation stopped.