GTAC Observation Log 1. Date : 19/7/2014 2. Observation Sr. No. : 7236 3. Observer : Rossella Cassano,Tiziana Venturi,Gianfranco Brunetti,Stefano Ettori,Daniele Dallacasa,Gabriel William Pratt,Giacintucci Simona,Ruta Kale,Virginia Cuciti,Annalisa Bonafede,Klaus Dolag,Maxim Markevitch 4. Observer's Email : rcassano@ira.inaf.it,tventuri@ira.inaf.it,brunetti@ira.inaf.it,stefano.ettori@oabo.inaf.it,daniele.dallacasa@unibo.it,gabriel.pratt@cea.fr,simona@astro.umd.edu,rkale@ira.inaf.it,lau11@ira.inaf.it,annalisa.bonafede@hs.uni-hamburg.de,kdolag@mpa-garching.mpg.de,m.markevitch@gmail.com,ruta@ncra.tifr.res.in 5. Project Name : A deep radio survey of a complete sample of mass-selected galaxy clusters 6. Project Code : 26_021 7. Operator(s) : Deepak,Nilesh,Pramod,Surender 8. Command File : /odisk/gtac/cmd/26_021/19july14_ist20h.cmd,/odisk/gtac/cmd/26_021/20july14_ist03h.cmd 9. LTA File : /gsbifrdata/19jul/26_021_19jul2014.lta,/gsbifrdata/19jul/26_021_19jul2014.lta.1,/gsbifrdata/20jul/26_021_20jul2014.lta, 10. LogFlag File : /odisk/online1/logflags/26_021.FLAGS,/odisk/online1/logflags/26_021.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 : 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 :29 31. Name of Non-Working Antennas (with reason for each) : S03 - very low fringe 32. Note for Backup : 33. Start and End Time of Obs.(IST): 20:00 - 13:00 34. ONLINE Machine : Shivneri 35. No of Antennas Working(Fringing) at the end :28 36. Comments (During Observations) : 20:09 : Started scan on 3C286 for 12mins. 20:30 : Started command file. '/odisk/gtac/cmd/26_021/19july14_ist20h.cmd' 23:12 : W03 applied brakes. 02:19 : Stopped command file. 02:29 : Started scan on 3C48. 02:40 : Stopped scan and started next command file. ' /odisk/gtac/cmd/26_021/20july14_ist03h.cmd' 07:16 : E-ARM POWER Glitch. 07:23 : Once Again, E-ARM POWER Glitch. 07:32 : Stopped command file. 07:35 : E-arm antennas started working. 07:39 : Restarted command file. 12:25 : Stopped command file. 12:28 : Started scan on 3C147. 13:00 : Stopped scan and observing session is over.