GTAC Observation Log

1. Date : 21/06/2020
2. Observation Sr. No. : 12133
3. Observer : Nithyanandan Thyagarajan, Nissim Kanekar, Gianni Bernardi
4. Observer\'s Email : t_nithyanandan@nrao.edu, nkanekar@ncra.tifr.res.in, giannibernardi75@gmail.com
5. Project Name : %latex% The low-frequency radio properties of quasars at  $z\\\\\\\\ge 6$
6. Project Code : 38_056
7. Operator(s) : Nilesh
8. Command File : /odisk/gtac/cmd/nissim/38_056_20jun.cmd
9. LTA File : /gwbifrdata/20jun/38_056_20jun2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_092.FLAGS.4, /odisk/online1/logflags/38_092.FLAGS.3, /odisk/online1/logflags/38_056.FLAGS.2, /odisk/online1/logflags/38_056.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 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) :
C03 : Mechanical work.
C12 : ABC time out.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 20 Jun 2020 23:00:00 - 21 Jun 2020 06:20:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :
23:00 : 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  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 38_056
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  	: 4
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

23:12 : Started command file.
23:30 : ONLINE USER SOCKET OPEN, restarted USER.
23:42 : Restarted command file.
06:20 : stopped command file and observation closed.