GTAC Observation Log 

1. Date : 11/9/2013
2. Observation Sr. No. : 6697
3. Observer : Nissim Kanekar,Aditya JNHS
4. Observer's Email : nkanekar@ncra.tifr.res.in,aditya@ncra.tifr.res.in
5. Project Name : Confirming the detection of two new redshifted HI-21cm absorbers at z=3.5
6. Project Code : ddtB100
7. Operator(s) : Rupsingh,
8. Command File : /odisk/gtac/cmd/nissim/0604+728.cmd
9. LTA File : /gsbifrdata/11sep//ddtb100_11sep2013.lta,
10. LogFlag File : /odisk/online1/logflags/DDTB100.FLAGS.1,

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 303 MHz ,RF2 : 303 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 244 MHz, ILO2 : 244 MHz , IVLO1 : 59 MHz, IVLO2 : 59 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 6 MHz,ON, IF-CH2 : 4+12 dB, 6 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 : 16.67 MHz
23. Final BW : 4.16 MHz; Step # 2
24. Maximum Channels : 512 
25. Channel Numbers : 0:511:1 
26. LO5 -1  : 141.00 
27. LO5 -2  : 164.00 

28. Frequency Parameters (TPA) : 303 303 244 244 59 59.
29. Integration Time : 16.106112 Sec.
30. No of Antennas Working(Fringing) :28

31. Name of Non-Working Antennas (with reason for each) :
C13: Feed jam.
E04: No fringe @130 pole.
32. Note for Backup :

33. Start and End Time of Obs.(IST): 01:00 - 06:03

34. ONLINE Machine : Shivneri

35. Comments (During Observations) :
01:10 : LO4 setting problem(59MHz).
------------------------------------------------------------------------
01:11 : Started scan on 3C48.
01:26 : Stopped scan.
01:31 : Started command file.
05:46 : Stopped command file.
05:48 : Started scan on 3C147.
06:03 : Stopped scan & observation session over.