GTAC Observation Log

1. Date : 26/06/2017
2. Observation Sr. No. : 9520
3. Observer : Maryam Arabsalmani, Sambit Roychowdhury, Martin Alexander Zwaan, Nissim Kanekar, Palle Moller, Emeric M LeFloc`h
4. Observer's Email : marabsal@eso.org, sambit.roychowdhury@manchester.ac.uk, mzwaan@eso.org, nkanekar@ncra.tifr.res.in, pmoller@eso.org, emeric.lefloch@cea.fr
5. Project Name : Atomic gas in the host galaxy of GRB 080517
6. Project Code : 32_103
7. Operator(s) : Deepak, Nilesh, Shilpa
8. Command File : /odisk/gtac/cmd/nissim/32_103_26jun.cmd
9. LTA File : /gsbifrdata1/26jun/32_103_26jun2017_gsb.lta, /gwbifrdata1/26jun/32_103_26jun2017_gwb.lta
10. LogFlag File : /odisk/online1/logflags/32_103.FLAGS.3

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1296.52 MHz ,RF2 : 1296.52 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1235 MHz, ILO2 : 1235MHz , IVLO1 : 61.52 MHz, IVLO2 : 61.52 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
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 : 4 MHz; Step # 1
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 138.48
28. LO5 -2  : 166.52

29. Frequency Parameters (TPA) : 1296.52 1296.52 1235 1235 61.52 61.52
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C12 : : Low fringe + intermittent ABC time out.
C06 : : Intermittent ABC time out.
S03 : : No fringe at GWB.
W02 : : No fringe at GWB.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 26 Jun 2017 07:10:00 - 26 Jun 2017 14:05:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :27

37. Comments (During Observations) :
07:06 : started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Total_Intensity
GPU_RF4  	: 1380  1380
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 32_103
--------------------------------

07:27 : Started scan on 3C48 for ~ 10 min.
07:39 : Started command file.
          /odisk/gtac/cmd/nissim/32_103_26jun.cmd

09:46 : W03 taken for mechanical work.
10:13 : C14 taken for maintenance.

13:40 : Stopped scan, and command file.
13:41 : Started scan on phase cal for 5 min.
13:48 : Started scan on 3C147.
14:00 : Stopped scan and observation closed.