GTAC Observation Log

1. Date : 24/07/2015
2. Observation Sr. No. : 7940
3. Observer : Robert Main, Ue Li Pen, Marten H vanKerkwijk, John Antoniadis, Keith Vanderlinde, Yashwant Gupta, Maxim Lyutikov, Jean-Pierre Macquart, Franz Kirsten
4. Observer's Email : main@astro.utoronto.ca, pen@cita.utoronto.ca, mhvk@astro.utoronto.ca, antoniadis@dunlap.utoronto.ca, vanderlinde@di.utoronto.ca, ygupta@ncra.tifr.res.in, lyutikov@purdue.edu, J.Macquart@curtin.edu.au, franz.kirsten@curtin.edu.au
5. Project Name : Separating the Sources of the Crab`s Enigmatic Radio Emission
6. Project Code : 28_055
7. Operator(s) : Shilpa, Surender
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata/24jul/28_055_24jul2015.lta
10. LogFlag File : /odisk/online1/logflags/28_055.FLAGS.4

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 602 MHz ,RF2 : 602 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : 16.666666 MHz
24. Final BW : 16.666666 MHz; Step # 
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 602 602 540 540 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) :
C12 : : Servo problem.
E02 : : BLDC work.
W05 : : Mechanical Work.
S06 : : No fringe.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 24 Jul 2015 12:00:00 - 24 Jul 2015 15:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :26

37. Comments (During Observations) :
12:00 : Started set-up.
12:10 : Started raw voltage mode on CRAB pulsar.
12:10 : Data was not recording on node47 and node48 on following directories. 
(i)/mnt/c/jroy/ (ii) /mnt/d/jroy/ 
and Also on node35:/mnt/d/jroy/* Data was not recording.
12:30 : Node33 giving buffer loss throughout the observation.
15:10 : Stopped scan and observation closed.