GTAC Observation Log 1. Date : 03/01/2016 2. Observation Sr. No. : 8302 3. Observer : Huib T Intema, Annalisa Bonafede, Marcus Bruggen, Francesco deGasperin, Reinout Johannes vanWeeren 4. Observer's Email : intema@strw.leidenuniv.nl, annalisa.bonafede@hs.uni-hamburg.de, mbrueggen@hs.uni-hamburg.de, fdg@hs.uni-hamburg.de, rvanweeren@cfa.harvard.edu 5. Project Name : The exceptional radio halos in CL1821\\+643 and CIZAJ1938\\+5409 6. Project Code : 29_023 7. Operator(s) : Nilesh, Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/29_023/03jan16/obs.cmd 9. LTA File : /gsbifrdata1/03jan/29_023_03jan2016_4s.lta 10. LogFlag File : /odisk/online1/logflags/29_023.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 242 MHz ,RF2 : 242 MHz, SA1 : 14 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 304 MHz, ILO2 : 304MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 10+12 dB, 16 MHz,ON, IF-CH2 : 10+12 dB, 16 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 : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 16.666666 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 242 242 304 304 62 62 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C10 : : CST Painting W01 : : Servo problem in AZ axis. W03 : : Low fringe. C04 : : Taken for mechanical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Jan 2016 11:00:00 - 03 Jan 2016 19:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 11:00 : Started settings. 11:18 : Started scan on 3c286 for ~ 10 min. 11:30 : Started command file. '/odisk/gtac/cmd/29_023/03jan16/obs.cmd' 12:40 : W01 released for observation (FES: MCM 5 time out). 18:40 : C04 released for observation. 18:45 : Stopped command file. 18:50 : Stared scan on 3C48. 19:00 : Stopped scan and observation session is over.