GTAC Observation Log 1. Date : 26/03/2016 2. Observation Sr. No. : 8499 3. Observer : Nimisha Kantharia, Uma Gorti, Alka Mishra 4. Observer's Email : ngk@ncra.tifr.res.in, uma.gorti-1@nasa.gov, alka7mishra@yahoo.co.in 5. Project Name : Dual band radio band imaging of galaxies with extended ultraviolet disks 6. Project Code : 29_056 7. Operator(s) : Deepak, Navnath, Nilesh, Rupsing, Surender 8. Command File : /odisk/gtac/cmd/29_056/26mar16/obs_26mar.1.cmd, /odisk/gtac/cmd/29_056/26mar16/obs_26mar.2.cmd 9. LTA File : /gsbifrdata1/26mar/29_056_26mar2016_16s.lta, /gsbifrdata1/26mar/29_056_26mar2016.lta 10. LogFlag File : /odisk/online1/logflags/29_056.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 253 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 304MHz , 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 : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 629 253 680 304 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C11 : : Taken by Cherry picker. E06 : : Taken for Mech work. E04 : : No fringe@235 MHz(175 pol) C10 :,W01,S03,E02 : No feed at 235Mhz. : 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Mar 2016 14:00:00 - 26 Mar 2016 23:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 14:00 : Started set-up. 14:17 : Started scan on 3C147. Note : Scintillation observed. 14:28 : Stopped scan. 14:30 : Started command file. 16:57 : Started scan on flux cal. 17:10 : Started cmd file. /odisk/gtac/cmd/29_056/26mar16/obs_26mar.2.cmd 20:30 : C14 : Servo problem. 22:54 : Started scan on 3C147 for 10min. 23:10 : Observation session over. --------------------------------------------------------