GTAC Observation Log 1. Date : 17/01/2011 2. Observation Sr. No. : 5203 3. Observer : Nissim Kanekar,Narendra patra 4. Observer's Email : narendra@ncra.tifr.res.in,chengalu@ncra.tifr.res.in,nkanekar@ncra.tifr.res.in 5. Project Name : A GMRT survey for HI-21cm absorption in strong MgII absorbers in the redshift desert 6. Project Code : 19_066 7. Operator(s) : Manisha, Navanath, Rupsingh, Sachin, Santaji, 8. Command File : /odisk/gtac/cmd/nissim/0800+5010.cmd, /odisk/gtac/cmd/nissim/0953+3225.cmd, /odisk/gtac/cmd/nissim/0833+0959.cmd, /odisk/gtac/cmd/nissim/1159+0656.cmd 9. LTA File : /rawdata/17jan/19_066_17jan2011.lta, /rawdata1/17jan/19_066_17jan2011.ltb 10. GSB File : /gsbifrdata/17jan/19_066_17jan2011_gsb.lta 11. LogFlag File : /odisk/online1/logflags/19_066.FLAGS.20 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 609 MHz ,RF2 : 609 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 545 MHz, ILO2 : 545 MHz, IVLO1 : 64 MHz, IVLO2 : 64 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON 15. BB BW(KHz) & BB ALC : 2000 KHz, ON CORRELATOR SETTINGS : GHB Settings : 16. GHB Channels : 0:127:1 17. Correlator Mode : UsbHighRes 18. Frequency Parameters (TPA) : 609 609 545 545 64 64 GSB Settings : 19. Maximum Channels : 512 20. Final Bandwidth (MHz): 4 MHz; Step # 1 21. IFBW (MHz) : LO5 (KHz) : Custom :- 16 : 141500 - 163500 22. Stokes : Total_Intensity 23. Beam - 1 : OFF 24. Beam - 2 : OFF 25. Integration Time : 128 LTA ~ 16.908 Sec. 26. No of Antennas Working(Fringing) :28 27. Name of Non-Working Antennas (with reason for each) : C11 : Servo problem. C13 : Feed jam. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 21:45 - 07:16 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 21:51 : Started scan on 3C147. 22:07 : Stopped scan. 22:14 : Started command file '/odisk/gtac/cmd/nissim/0800+5010.cmd' 22:34 : Stopped command file 22:36 : Started command file '/odisk/gtac/cmd/nissim/0953+3225.cmd' 22:54 : Stopped command file. 23:07 : Started cmd file.. '/odisk/gtac/cmd/nissim/0833+0959.cmd' 23:28 : cmd file stopped. 23:34 : Started scan on 3C147. 00:01 : Started cmd file /odisk/gtac/cmd/nissim/1159+0656.cmd 06:43 : cmd file stopped. 06:44 : Started scan on phase cal 06:56 : Started scan on 3C286 for 20min. 07:15 : Stopped observation session.