GTAC Observation Log 

1. Date : 14/01/2011
2. Observation Sr. No. : 5195
3. Observer : Sambit Roychowdhury
4. Observer's Email : nkanekar@ncra.tifr.res.in,sambit@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,
	Rupsingh,
	Shilpa
8. Command File : /odisk/gtac/cmd/nissim/0807+1352.cmd
9. LTA File : /rawdata/14jan/19_066_14jan2011.lta,
	/rawdata1/14jan/19_066_14jan2011.ltb
10. GSB File : /gsbifrdata/14jan/19_066_14jan2011_gsb.lta
11. LogFlag File : /odisk/online1/logflags/19_066.FLAGS.18

ANTENNA SETTINGS :

12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 645 MHz ,RF2 : 645 MHz, SA1 : 0 dB, SA2 : 0 dB
13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 575 MHz, ILO2 : 575 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 : 2000 KHz, ON

CORRELATOR SETTINGS :

GHB Settings :
16. GHB Channels : 0:127:1
17. Correlator Mode : UsbHighRes
18. Frequency Parameters (TPA) : 645 645 575 575 70  70 

GSB Settings :
19. Maximum Channels : 512 
20. Final Bandwidth (MHz): 4 MHz; Step # 2
21. IFBW (MHz) : LO5 (KHz) : Custom :- 16 : 140000 - 165000
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 : 130 No fringe.
E05 : ABC time out.
28. Note for Backup :--

29. Start and End Time of Obs.(IST): 21:45 - 03:02

30. ONLINE Machine : Lenyadri

31. Comments (During Observations) :
21:45 : Started scan on 3C147.
22:01 : Stopped scan.
22:14 : Started command file.
02:41 : Stopped command file.

02:49 : Started scan on 3C286.
03:02 : Stopped scan and observing session over.