GTAC Observation Log 1. Date : 29/6/2014 2. Observation Sr. No. : 7194 3. Observer : Sumana Nandi,D.J. Saikia,Maarten Baes,Rupak Roy,Gianfranco Gentile,Ravi Joshi,Mahadev Patgiri 4. Observer's Email : sumana@aries.res.in,djs@ncra.tifr.res.in,maarten.baes@ugent.be,roy@aries.res.in,gianfranco.gentile@ugent.be,physistravi@gmail.com,mahadev@scientist.com,sumana1981@gmail.com 5. Project Name : A multifrequency study of a new sample of double-double radio galaxies (DDRGs) 6. Project Code : 26_030 7. Operator(s) : Pramod, 8. Command File : /odisk/gtac/cmd/26030_s10.cmd 9. LTA File : /gsbifrdata1/29jun/26_030_29jun2014_S10.lta, 10. LogFlag File : /odisk/online1/logflags/26_030.FLAGS.5, 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 : 540 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, 32 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) : 591 591 540 540 51 51. 29. Integration Time : 8.053056 Sec. 30. No of Antennas Working(Fringing) at the begining :27 31. Name of Non-Working Antennas (with reason for each) : E02 : Servo Work. W06 : Taken for BLDC work. S02 : No feed of 610MHz. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 00:00 - 04:20 34. ONLINE Machine : Shivneri 35. No of Antennas Working(Fringing) at the end :27 36. Comments (During Observations) : 00:00 : Started set up. 00:11 : Started scan on 3C286. 00:26 : Stopped scan and started command file. '/odisk/gtac/cmd/26030_s10.cmd' 03:53 : Stopped command file. 04:03 : Started scan on 3C48. 04:20 : Stopped scan and observation session is over.