GTAC Observation Log 1. Date : 05/03/2011 2. Observation Sr. No. : 5272 3. Observer : Nissim Kanekar, Jayaram Chengalur 4. Observer's Email : nkanekar@ncra.tifr.res.in,chengalu@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) : Deepak, Manisha, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/nissim/1521+1756.cmd 9. LTA File : 10. GSB File : /gsbifrdata/5mar/19_066_05mar2011_gsb.lta 11. LogFlag File : /odisk/online1/logflags/19_066.FLAGS.25 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 595 MHz ,RF2 : 595 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 525 MHz, ILO2 : 525 MHz, IVLO1 : 70 MHz, IVLO2 : 70 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 : 16000 KHz, ON CORRELATOR SETTINGS : GHB Settings : 16. GHB Channels : 0:127:1 17. Correlator Mode : IndianPolar 18. Frequency Parameters (TPA) : 595 595 525 525 70 70 GSB Settings : 19. Maximum Channels : 512 20. Final Bandwidth (MHz): 4 MHz; Step # 2 21. IFBW (MHz) : LO5 (KHz) : Custom :- 16 : 139.5 - 165.5 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) : C04 : BLDC work E04 : Servo problem 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 04:00 - 10:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 04:10 : Started scan on 3C286 for 10mins. 04:27 : Started command file /odisk/gtac/cmd/nissim/1521+1756.cmd 07:46 : S02 taken for painting. 09:07 : Stopped command file. 09:08 : Started scan on phase cal 1445+099. 09:16 : Stopped scan. 09:19 : Started scan on source. 09:42 : Stopped scan. 09:47 : Started scan on 3C468.1. 10:00 : Stopped scan and observing session over.