GTAC Observation Log 1. Date : 03/02/2017 2. Observation Sr. No. : 9178 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) : Deepak, Nilesh, Surender 8. Command File : /odisk/gtac/cmd/31_047/03feb17/obs_03feb.cmd 9. LTA File : /gsbifrdata1/03feb/31_047_03feb2017.lta 10. LogFlag File : /odisk/online1/logflags/31_047.FLAGS.2 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C12 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Feb 2017 04:00:00 - 03 Feb 2017 08:05:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 04:00 : Started set-up. 04:18 : Started scan on 3C286 for 11 min. 04:35 : Started command file. 07:43 : Stopped command file. 07:46 : Started scan on 3C286 for 16 min. 08:02 : Stopped scan and observation closed.