GTAC Observation Log 1. Date : 10/6/2014 2. Observation Sr. No. : 7158 3. Observer : Matthias Hoeft,Drabent,Annalisa Bonafede,Reinout Johannes vanWeeren,Roberto Francesco Pizzo 4. Observer's Email : hoeft@tls-tautenburg.de,alex@tls-tautenburg.de,annalisa.bonafede@hs.uni-hamburg.de,rvanweeren@cfa.harvard.edu,pizzo@astron.nl 5. Project Name : Abell 2069: New discoveries including a possible radio halo 6. Project Code : 26_055 7. Operator(s) : Navanath,Rupsingh, 8. Command File : /odisk/gtac/cmd/26_055/26_055_s2_obs.cmd 9. LTA File : /gsbifrdata1/10jun/26_055_10jun2014.lta, 10. LogFlag File : /odisk/online1/logflags/26_055.FLAGS.3, 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 : 16.106112 Sec. 30. No of Antennas Working(Fringing) at the begining :27 31. Name of Non-Working Antennas (with reason for each) : E04 : MCM-5 time out. S02 : Painting. W06 : BLDC. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 18:30 - 00:05 34. ONLINE Machine : Shivneri 35. No of Antennas Working(Fringing) at the end :27 36. Comments (During Observations) : 18:37 : Started scan on 3C286. 18:54 : Stopped scan. 18:56 : Started command file. 23:50 : cmd file stopped. 23:53 : Started scan on 3c286 for 10 min. 00:05 : Observation session over.