GTAC Observation Log 1. Date : 09/11/2016 2. Observation Sr. No. : 8977 3. Observer : Soumyajit Mandal, Huib T Intema, Francesco deGasperin, Shimwell, Huub Rottgering, Preshanth Jagannathan, Mooley, Dale A Frail 4. Observer's Email : mandal@strw.leidenuniv.nl, intema@strw.leidenuniv.nl, astro@voo.it, shimwell@strw.leidenuniv.nl, rottgering@strw.leidenuniv.nl, preshanth@ras.ucalgary.ca, kunal.mooley@physics.ox.ac.uk, dfrail@nrao.edu 5. Project Name : A STUDY OF ULTRA STEEP SPECTRUM SOURCES IN GALAXY CLUSTERS FROM TGSS ADR 6. Project Code : 31_018 7. Operator(s) : Rupsing, Sachin 8. Command File : /odisk/gtac/cmd/31_018/09nov16/obs_09nov.cmd 9. LTA File : /gsbifrdata/09nov/31_018_09nov2016.lta 10. LogFlag File : /odisk/online1/logflags/31_018.FLAGS.5 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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 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 : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup : 34. Start and End Time of Obs.(IST): 09 Nov 2016 03:00:00 - 09 Nov 2016 09:07:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : 03:04:47 : Started scan on 3C147 for ~ 13.0191 min. 03:05 to 03:09 W02 got ABC reset. 03:34:44 : Started scan on J1120+1420 for ~ 4.83183 min. 03:43:05 : Started scan on USSS4 for ~ 50.0632 min. 04:34:12 : Started scan on J1120+1420 for ~ 4.83183 min. 04:42:30 : Started scan on USSS4 for ~ 50.3316 min. 05:33:58 : Started scan on J1120+1420 for ~ 4.96605 min. 05:42:17 : Started scan on USSS4 for ~ 50.3316 min. 06:14 to 06:38 : W02 got ABC reset. 06:33:38 : Started scan on J1120+1420 for ~ 4.83183 min. 06:42:09 : Started scan on USSS4 for ~ 50.1974 min. 06:55 to 07:12 S02 applied servo brakes. 07:34:04 : Started scan on J1120+1420 for ~ 4.83183 min. 07:42:26 : Started scan on USSS4 for ~ 51.6738 min. 08:35:57 : Started scan on J1120+1420 for ~ 4.83183 min. 08:49:18 : Started scan on 3C286 for ~ 14.8982 min. 09:06 : Stopped scan and closed observation session.