GTAC Observation Log 1. Date : 17/9/2013 2. Observation Sr. No. : 6707 3. Observer : Sagar Vijay Godambe,Pratik Majumdar,Manojendu Choudhury,Ananda Hota 4. Observer's Email : sagar.godambe@gmail.com,majumdar.mpratik@gmail.com,manojendu@cbs.ac.in,hotaananda@gmail.com 5. Project Name : GMRT Observations of Fermi Unidentified Source 2FGL J0307.4+4915 6. Project Code : 24_004 7. Operator(s) : Navanath,Rupsingh, 8. Command File : /odisk/gtac/cmd/24_004/obs.cmd 9. LTA File : /gsbifrdata/17sep/24_004_17sep2013.lta, 10. LogFlag File : /odisk/online1/logflags/24_004.FLAGS.18, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 253 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 304 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Mode : Realtime 15. GSB LTA : 8 16. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : ON 19. Stokes : TotIntensity 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 33.33 MHz 23. Final BW : 33.333333 MHz; Step # 0 24. Maximum Channels : 256 25. Channel Numbers : 0:255:1 26. LO5 -1 : 149.00 27. LO5 -2 : 156.00 28. Frequency Parameters (TPA) : 629 253 680 304 51 51. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) at the begining :29 31. Name of Non-Working Antennas (with reason for each) : S03 : BLDC C10 : NO feed @ 235Mhz. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 21:45 - 03:00 34. ONLINE Machine : Shivneri 35. No of Antennas Working(Fringing) at the end :28 36. Comments (During Observations) : 21:45 : Started setup. 21:57 : Started scan on 3C48. 22:10 : Started scan on 0237+288 22:15 : Started command file. 01:50 : Due to high wind observation stopped. 02:00 : South arm power failure. 02:15 : S01 not working. 02:20 : Restarted command file. 02:42 : Started scan on 0237+288 for 5mins. 02:51 : Started scan on 3C48 for 5mins. 02:57 : Observation stopped.