GTAC Observation Log 1. Date : 18/07/2016 2. Observation Sr. No. : 8750 3. Observer : Stephen Hamer, Mamta Pandey-Pommier, Alastair Edge, David Lagattuta 4. Observer's Email : stephen.hamer.astro@gmail.com, mamtapan@gmail.com, alastair.edge@durham.ac.uk, dlagattuta@gmail.com 5. Project Name : Low frequency nature of Bright Galaxies in cluster environment 6. Project Code : 30_085 7. Operator(s) : Nilesh, Sachin, Surender 8. Command File : /odisk/gtac/cmd/30_085/18jul16/obs_18jul.cmd 9. LTA File : /gsbifrdata/18jul/30_085_18jul2016.lta 10. LogFlag File : /odisk/online1/logflags/30_085.FLAGS.1 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_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 : 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C11 : : Feed jammed. C12 : : MCM-2,3,5,10 timeout. C04,C08 : Amplitude Jump. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 18 Jul 2016 02:00:00 - 18 Jul 2016 09:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 02:00 : Started set-up. 02:22 : Started scan on 3C48. 03:02 : Started command file. '/odisk/gtac/cmd/30_085/18jul16/obs_18jul.cmd' uGMRT Settings :- GAB LO : 500 MHz, Channels : 2048, Total Intensity, Integration Time : 10 sec. 09:10 : Stopped command file. 09:11:46 : Started scan on J0323+0534 for ~ 9.1268 min. 09:23:50 : Started scan on 3C48 for ~ 15.3008 min. 9:39 : Stopped observation.