GTAC Observation Log 

1. Date : 28/11/2013
2. Observation Sr. No. : 6811
3. Observer : Rachael Ainsworth,Anna Scaife,Tom Ray,David Alan Green,Jane V Buckle
4. Observer's Email : rainsworth@cp.dias.ie,a.scaife@soton.ac.uk,tr@cp.dias.ie,dag@mrao.cam.ac.uk,j.buckle@mrao.cam.ac.uk
5. Project Name : Blind Survey of the NGC 1333 Star Forming Region at Low Frequencies
6. Project Code : 25_066
7. Operator(s) : Navanath,Pramod,
8. Command File : /odisk/gtac/cmd/25_066/obs26.cmd
9. LTA File : /gsbifrdata1/28nov/25_066_28nov2013.lta,
10. LogFlag File : /odisk/online1/logflags/25_066.FLAGS.2,

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 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 : FullStokes
20. Beam - 1 : OFF
21. Beam - 2 : OFF
22. ACQ BW : 33.33 MHz
23. Final BW : 33.333333 MHz; Step # 0
24. Maximum Channels : 256 
25. Channel Numbers : 0:255:1 
26. LO5 -1  : 149.00 
27. LO5 -2  : 156.00 

28. Frequency Parameters (TPA) : 591 591 540 540 51 51.
29. Integration Time : 16.106112 Sec.
30. No of Antennas Working(Fringing) at the begining :28

31. Name of Non-Working Antennas (with reason for each) :
C06 : Frequently Getting ABC reset.
W03 : NO fringe @ 610 Mhz.
32. Note for Backup :

33. Start and End Time of Obs.(IST): 18:10 - 05:13

34. ONLINE Machine : Lenyadri

35. No of Antennas Working(Fringing) at the end :28

36. Comments (During Observations) :
18:10 : Started setup.
18:20 : STarted scan on 3C48 for 10 min.
18:33 : Started cmd file.

     /odisk/gtac/cmd/26_066/obs26.cmd
00:07 : Started scan on 3C48.
00:17 : Stopped scan on 3C48 and restarted command file.
02:58 : Power failuare at west arm antennas(W03,W04,W05 and W06).
03:10 : After sloved problem of above antennas,we taken for observation.
04:57 : Stopped command file.
05:03 : Started scan on 3C286.
05:13 : Stopped scan on 3C286 and observation session is over.