GTAC Observation Log 

1. Date : 28/3/2014
2. Observation Sr. No. : 7039
3. Observer : Stephen John Curran,Matthew Whiting,Dick Hunstead,Elaine Sadler,James Richard Allison,Ramana Athreya,Helen Johnston
4. Observer's Email : sjc@physics.usyd.edu.au,Matthew.Whiting@csiro.au,rwh@physics.usyd.edu.au,ems@physics.usyd.edu.au,jra@physics.usyd.edu.au,rathreya@iiserpune.ac.in,helenj@physics.usyd.edu.au
5. Project Name : A Cosmic Census of the Star Forming Reservoir in Active Galaxies I: The High Redshifts
6. Project Code : 25_020
7. Operator(s) : Pramod,Shilpa,Surender
8. Command File : /odisk/gtac/cmd/25_020/28mar14/obs1.cmd,/odisk/gtac/cmd/25_020/28mar14/obs2.cmd
9. LTA File : /gsbifrdata1/28mar/25_020_28mar2014.lta,/gsbifrdata1/28mar/25_020_28mar2014.lta.1,/gsbifrdata/28mar/25_020_28mar2014.lta,/gsbifrdata/28mar/25_020_28mar2014.lta.1,
10. LogFlag File : /odisk/online1/logflags/25_020.FLAGS.18,/odisk/online1/logflags/25_020.FLAGS.16,/odisk/online1/logflags/25_020.FLAGS.19,/odisk/online1/logflags/25_020.FLAGS.17,

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 320.2955 MHz ,RF2 : 320.2955 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 261 MHz, ILO2 : 261 MHz , IVLO1 : 59.2955 MHz, IVLO2 : 59.2955 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,OFF, IF-CH2 : 4+12 dB, 16 MHz,OFF

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 : 4.17 MHz; Step # 2
24. Maximum Channels : 512 
25. Channel Numbers : 0:511:1 
26. LO5 -1  : 140.29 
27. LO5 -2  : 164.71 

28. Frequency Parameters (TPA) : 320.2955 320.2955 261 261 59.2955 59.2955.
29. Integration Time : 2.013264 Sec.
30. No of Antennas Working(Fringing) at the begining :27

31. Name of Non-Working Antennas (with reason for each) :
C04 : Bad band shape.
E06 : Very low fringe.
W04 : No fringe.
S04 : RFI @175 pol.
E03 : Low fringe



32. Note for Backup :

33. Start and End Time of Obs.(IST): 07:00 - 09:28

34. ONLINE Machine : Lenyadri

35. No of Antennas Working(Fringing) at the end :25

36. Comments (During Observations) :
07:00 : Started set up.
06:10 : Started scan on 3C286 for ~ 5 min.
06:20 : Started command file.
        '/odisk/gtac/cmd/25_020/28mar14/obs1.cmd'
07:34 : Stopped command file.
-----------------------------------------------------
07:35 : Started new set-up.
GSB line observation setup
RF band= 325 (295 - 365)
LO1= 271 (lower)
IFBW= 6
GSB [ACQ] BW= 16.6666
Total Channel= 512

Line/Center Frequency= 341.122
CH#[0]= 339.0387
CH#[512]= 343.2053
BW= +4.1666
CW= 8.14 (KHz.)

Digital SubBand/step#= 2 is USEABLE ###
GSB_CONFIG LO5= 140.2945  164.7055
LTA_FILE   L05= 131.9613  173.0387
BASE_BAND  LO4= 59.7055  59.7055
tpa 330.7055 330.7055 271 271 59.7055 59.7055
------------------------------------------------
07:56 : Started command file.
       '/odisk/gtac/cmd/25_020/28mar14/obs2.cmd'
07:56 : C04 band shape seems to be OK.
07:56 : E03 Low fringe & S04 175 pol low fringe.
08:08 : W02 taken for painting .
08:56 : E03 taken for painting.
09:07 : Stopped command file.
09:12 : Started scan on 3C48.
09:28 : Stopped scan and observing session is over.