GTAC Observation Log 1. Date : 07/08/2015 2. Observation Sr. No. : 7975 3. Observer : Sagar Vijay Godambe, Himali Bhatt, Subir Bhattacharyya, Nilay Bhatt 4. Observer's Email : gsagar@barc.gov.in, mshimali@gmail.com, subirb@barc.gov.in, nilayb@barc.gov.in,sagar.godambe@gmail.com 5. Project Name : GMRT observation of Fermi unidentified source 2FGL J0248.5\\+5131 6. Project Code : 28_076 7. Operator(s) : Navnath 8. Command File : /odisk/gtac/cmd//28_076/obs_04aug.cmd 9. LTA File : /gsbifrdata1/07aug/28_076_07aug15.lta 10. LogFlag File : /odisk/online1/logflags/28_076.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , 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 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 : 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) : 1371 1371 1320 1320 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 : : BLDC work 33. Note for Backup : 34. Start and End Time of Obs.(IST): 07 Aug 2015 01:00:00 - 07 Aug 2015 04:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 01:00 : Started setup. 01:10 : Started scan on 3C48 for 10 min. 01:30 : Started cmd file. /odisk/gtac/cmd//28_076/obs_04aug.cmd 03:54 : Started scan on phase cal. 04:00 : Observation session over. -----------------------------------------------------