GTAC Observation Log 1. Date : 12/11/2011 2. Observation Sr. No. : 5628 3. Observer : Dwarakanath K.S., Shiv Sethi 4. Observer's Email : dwaraka@rri.res.in 5. Project Name : Detecting HI in emission at z ?1 6. Project Code : 21_018 7. Operator(s) : Deepak, Manisha, Rupsingh, Santaji, Shilpa 8. Command File : /odisk/gtac/cmd/ksd/21_018.cmd 9. LTA File : /gsbifrdata/12nov/21_018_12nov2011.lta, /gsbifrdata/12nov/21_018_12nov2011.lta.1 10. LogFlag File : /odisk/online1/logflags/21_018.FLAGS, /odisk/online1/logflags/21_018.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. GAIN EQ : ON 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 32 MHz 21. Maximum Channels : 512 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 591 591 540 540 51 51. 25. Integration Time : 32.212 Sec. 26. No of Antennas Working(Fringing) :24 27. Name of Non-Working Antennas (with reason for each) : C00 : ABC time out. S06 : Feed problem E05 : Not fringing. W06,S02,C14 : For painting. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 09:20 - 19:32 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 09:20 : Started settings. 09:35 : Started scan on 3C286. 09:45 : Stopped scan. 09:47 : '/odisk/gtac/cmd/ksd/21_018.cmd' command file started. 10:56 : Stopped command file and halted the GSB. Changed the LO1. tpa 601 601 550 550 51 51 11:20 : Command file started. 11:25 : E05,S06 started working. W06 released for observation. 11:29 : So due to this reason restarted command file. 13:24 : S02 released for observation. 13:29 : Stopped command file. 13:34 : Started scan on 3C286. C12 abc timeout. 13:45 : Stopped scan. 13:48 : Restarted command file. 14:46 : C12 started working. 17:37 : C14 released for observation. 19:12 : Stopped command file. 19:17 : Started scan on 3C48. 19:32 : Stopped scan & observation session over.