GTAC Observation Log 1. Date : 17/05/2015 2. Observation Sr. No. : 7785 3. Observer : Madhuri Gaikwad, Pratik Dabhade, Joydeep Bagchi 4. Observer's Email : madhuri.explorer@gmail.com, pratikdabhade13@gmail.com, joydeep@iucaa.ernet.in 5. Project Name : GMRT observation of 4 new giant radio galaxies with peculiar morphology 6. Project Code : 28_020 7. Operator(s) : Pramod, Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata/17may/28_020_17may2015.lta 10. LogFlag File : /odisk/online1/logflags/28_020.FLAGS.1 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 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 : 512 26. Channel Numbers : 0:511:1 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 :28 32. Name of Non-Working Antennas (with reason for each) : C09 : Taken for CST painting. S04 : Taken for BLDC work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 May 2015 07:00:00 - 17 May 2015 13:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 07:00 : Started set-up. 07:08 : Started scan on 3c48 for 15min. 07:24 : Started command file. 10:15 - 10:47 S06 got reset. 12:40 : Stopped command file. 12:43 : Started command file. 13:00 : Stopped scan and observing session is over.