GTAC Observation Log

1. Date : 12/09/2015
2. Observation Sr. No. : 8057
3. Observer : O.Ivy Wong, Chandreyee Sengupta, Gyula I.G. Józsa, Kevin Schawinski, Karen Masters
4. Observer's Email : ivy.wong@csiro.au, sengupta.chandreyee@gmail.com, gjozsa@ska.ac.za, kevin.schawinski@phys.ethz.ch, karen.masters@port.ac.uk
5. Project Name :  Probing the cause of rapid star formation truncation in galaxies
6. Project Code : 28_086
7. Operator(s) : Deepak, Nilesh, Rupsing, Surender
8. Command File : /odisk/gtac/cmd/28_086/obs.cmd
9. LTA File : /gsbifrdata/12sep/28_086_12sep2015.lta
10. LogFlag File : /odisk/online1/logflags/28_086.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1382 MHz ,RF2 : 1382 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 16.666666 MHz
24. Final BW : 16.666666 MHz; Step # 
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 1382 1382 1320 1320 62 62
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C11 : ABC Time out.
W03 : Servo Problem
S02 : BLDC Work
C01 : Amplitude jump.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 12 Sep 2015 12:00:00 - 12 Sep 2015 22:00:00

35. ONLINE Machine : Shivneri

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

37. Comments (During Observations) :
11:50 : Started setup.
11:58 : Started scan on 3C286.
12:42 : Started command file. 
12:42 : C11 Started working.
13:49 : Stopped command file due to high wind.(all antennas parked )
14:00 : S-arm power failure.
14:55 : Restarted command file.
14:55 : S01 abc time-out.
16:55 : Stopped command file.
17:04 : Started scan on 3C286.
17:16 : Stopped scan.
17:19 : Restarted command file.
17:32 : S01 started working.
21:36 : Stopped command file.
21:46 : Started scan on 3C48.
22:00 : Stopped scan and observation session over.