GTAC Observation Log 1. Date : 04/12/2016 2. Observation Sr. No. : 9038 3. Observer : Soumyajit Mandal, Huib Intema, Francesco de Gasperin 4. Observer's Email : mandal@strw.leidenuniv.nl, intema@strw.leidenuniv.nl, fdg@strw.leidenuniv.nl 5. Project Name : A detailed study of the merging galaxy cluster ABELL 1914\r\n 6. Project Code : 31_049 7. Operator(s) : Nilesh, Pramod, Sachin 8. Command File : /odisk/gtac/cmd/31_049/obs_04dec16.cmd 9. LTA File : /gsbifrdata/04dec/31_049_04dec2016.lta 10. LogFlag File : /odisk/online1/logflags/31_049.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : W02 : No fringe. S04 : Low fringe 33. Note for Backup : 34. Start and End Time of Obs.(IST): 04 Dec 2016 05:00:00 - 04 Dec 2016 12:07:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 04:20 : Started set up. 04:32 : Started scan on 3C286 for 12 min. 04:42 : Stopped scan and started command file. '/odisk/gtac/cmd/31_049/obs_04dec16.cmd' 09:00 : W04 taken for painting work. 10:40 : W02 released for observation and started working. 11:35 : Stopped command file and scan on source. 11:37 : Started scan on phase cal. 11:45 : Started scan on 3C286 for ~ 15 min. 12:00 : Stopped scan and observation closed.