GTAC Observation Log 1. Date : 04/01/2017 2. Observation Sr. No. : 9112 3. Observer : Ashok Kumar Singal, Shweta Srivastava 4. Observer's Email : asingal@prl.res.in, srivashweta@gmail.com 5. Project Name : The Largest Radio Quasar! 6. Project Code : 31_047 7. Operator(s) : Navnath, Nilesh 8. Command File : /odisk/gtac/cmd/31_047/04jan17/obs_04jan.cmd 9. LTA File : /gsbifrdata1/04jan/31_047_04jan2017.lta 10. LogFlag File : /odisk/online1/logflags/31_047.FLAGS 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 : 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 :29 32. Name of Non-Working Antennas (with reason for each) : E02 : : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 04 Jan 2017 05:00:00 - 04 Jan 2017 09:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 05:00 : Started setup. 05:23 : Started scan on 3C286 for 10 min. 05:44 : Started command file. /odisk/gtac/cmd/31_047/04jan17/obs_04jan.cmd 09:31 : Stopped command file. 09:35 : Started scan on 3C286 for ~ 15 min. 09:50 : Stopped scan and observation closed.