GTAC Observation Log

1. Date : 10/11/2017
2. Observation Sr. No. : 9845
3. Observer : Ruta Kale, Andrea Botteon, Gianfranco Brunetti, D Eckert
4. Observer's Email : ruta@ncra.tifr.res.in, botteon@ira.inaf.it, brunetti@ira.inaf.it, Dominique.Eckert@obs.unige.ch
5. Project Name : Constraining particle acceleration in the high redshift cluster El Gordo using the U-GMRT
6. Project Code : 33_030
7. Operator(s) : Nilesh, Pramod, Sachin
8. Command File : /odisk/gtac/cmd/ruta/33_030/33_030.cmd
9. LTA File : /gsbifrdata1/09nov/33_030_09nov2017.lta, /gwbifrdata2/09nov/33_030_09nov2017_1460lo.lta
10. LogFlag File : /odisk/online1/logflags/33_030.FLAGS.2

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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_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 : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1454 1454 1505 1505 51 51
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) :
S06 : Taken for servo work
W01 : No fringe.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 09 Nov 2017 20:00:00 - 10 Nov 2017 01:10:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 400.0000
GPU_FINAL_BW  	: 400.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 33_030
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 128
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: For 32 inputs
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

20:00 : Started set up.
20:16 : Started scan on 3C48 for 15 min.
20:31 : Stopped scan and stared command file.
 ' /odisk/gtac/cmd/ruta/33_030/33_030.cmd'
21:54 : Electrical power failure to East arm antennas.
From 21:54 to 22:08 : Set up done to East arm antennas.

00:07 : Scan on source is extended till it sets.
00:18 : Source set below horizon, stopped scan.
00:19 : Started scan on phase cal for ~ 5 min.
00:28 : Started scan on 3C48 for ~ 15 min.
00:47 : Started scan on 3C147 for ~ 20 min.
01:08 : Stopped scan and closed observation.