GTAC Observation Log

1. Date : 31/08/2014
2. Observation Sr. No. : 7322
3. Observer : Sarita Vig, Anandmayee Tej, Veena V.S., Swarna Kanti Ghosh, C.H. IshwaraChandra, Alvaro Sanchez-Monge
4. Observer's Email : sarita@iist.ac.in, anandmayee.tej@gmail.com, veenagangothri@gmail.com, swarna@ncra.tifr.res.in, ishwar@ncra.tifr.res.in, sanchez@ph1.uni-koeln.de
5. Project Name : High resolution radio investigation of early phases in the formation of massive stars
6. Project Code : 26_043
7. Operator(s) : Pramod, Rupsing
8. Command File : /odisk/gtac/cmd/26_043/obs31aug.cmd
9. LTA File : /gsbifrdata/31aug/26_043_31aug2014.lta
10. LogFlag File : /odisk/online1/logflags/26_043.FLAGS.2

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1281 MHz ,RF2 : 1281 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 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 : 33.333 MHz
24. Final BW : 33.333 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 139
28. LO5 -2  : 166

29. Frequency Parameters (TPA) : 1281 1281 1230 1230 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C00 : Servo Problem.
C12 : MCM 5 time out.
C10 : Low fringe at 130 pole of C10.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 31 Aug 2014 16:00:00 - 31 Aug 2014 21:00:00

35. ONLINE Machine : Shivneri

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

37. Comments (During Observations) :
16:00 : Started set up.
16:10 : Started scan on 3C286 for 15 min.
16:30 : Started command file.
       '/odisk/gtac/cmd/26_043/obs31aug.cmd'

17:23 : C12 Started working.
20:17 : Stopped command file because of source set early.
20:22 : Started scan on 3C48.
21:00 : Stopped scan and observation session is over.