GTAC Observation Log

1. Date : 19/06/2018
2. Observation Sr. No. : 10354
3. Observer : Namitha Issac, Anandmayee Tej, Sarita Vig, C.H. IshwaraChandra, Schultheis, Govind Nandakumar, Swarna Kanti Ghosh
4. Observer's Email : namiann@gmail.com, anandmayee.tej@gmail.com, sarita@iist.ac.in, ishwar@ncra.tifr.res.in, mathias.schultheis@oca.eu, govind.nandakumar@oca.eu, swarna@ncra.tifr.res.in
5. Project Name : Probing the ionized emission associated with a sample of EGOs
6. Project Code : 34_047
7. Operator(s) : Rupsing, Sachin, Surender
8. Command File : /odisk/gtac/cmd/34_047/34_047_18Jun18.cmd, /odisk/gtac/cmd/34_047/19Jun18.cmd
9. LTA File : /gsbifrdata/18jun/34_047_18jun2018_gsb.lta, /gwbifrdata1/18jun/34_047_18jun2018_gwb.lta, /gsbifrdata/19jun/34_047_19jun2018_gsb.lta
10. LogFlag File : /odisk/online1/logflags/34_047.FLAGS

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) :
S01 : : 175 pol low fringe in GSB only.
E04 : : Low self in GSB only.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 18 Jun 2018 21:00:00 - 19 Jun 2018 07:00:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
20:19 : Stared set-up.
------------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  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1450  1450
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 34_047
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
---------------------------------------------------------------------------
20:20:56 : Started scan on 3C286 for ~ 24.696 min.
20:54:21 : Started command file.
           "/odisk/gtac/cmd/34_047/34_047_18Jun18.cmd"
01:20 : Stopped comman file after scan on source.
01:21 : Started scan on phase cal for 5 mins.
01:30 : Started scan on 3C286 for 10 mins.(Recorded flux cal commonly between previous source and next source command file. Sorry forgot to split file for GWB, later we can split this.)
01:44 : Started scan on source.
02:00 : Stopped scan on source. 
02:07 : Took phase cal for 5 mins.
02:09 : Started next command file 
           "/odisk/gtac/cmd/34_047/19Jun18.cmd"
06:29 : Source set.
06:30 : Started scan on phase cal for 5 mins.
06:42 : Started scan on 3C48 for ~ 15 min.
07:00 : Stopped scan and closed observation session.