GTAC Observation Log 1. Date : 27/12/2014 2. Observation Sr. No. : 7522 3. Observer : Francesco deGasperin, Annalisa Bonafede, Marcus Bruggen, Huib Intema, Reinout Johannes vanWeeren 4. Observer's Email : fdg@hs.uni-hamburg.de, annalisa.bonafede@hs.uni-hamburg.de, mbrueggen@hs.uni-hamburg.de, hintema@nrao.edu, rvanweeren@cfa.harvard.edu 5. Project Name : Particle (re)acceleration in galaxy clusters 6. Project Code : 27_018 7. Operator(s) : Deepak, Navnath, Pramod, Sachin, Surender 8. Command File : /odisk/gtac/cmd/27dec14_08hr.cmd,, 9. LTA File : /gsbifrdata1/26dec/27_018_26dec2014.lta.1,/gsbifrdata1/26dec/27_018_26dec2014.lta 10. LogFlag File : /odisk/online1/logflags/27_018.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : Full_Stokes 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) : 156 156 218 218 62 62 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : E04 : Servo maintenance. W04 : Mechanical maintenance C10 : Feed not present at 150 MHz. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Dec 2014 00:00:00 - 27 Dec 2014 16:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 23:26 : Started scan on 3C147 for 15 mins. 23:43 : Started command file. 07:40 : Stopped command file. 07:43 : Started scan on 3c286 and started new lta file,common flux cal in both files. 08:00 : Started command file and closed previous source lta file. 15:46 : Stopped command file. 15:50 : Started scan on 3C48. 16:00 : Stopped scan and observation session is over.