GTAC Observation Log

1. Date : 31/07/2020
2. Observation Sr. No. : 12248
3. Observer : Biny Sebastian, Omkar Suresh Bait, Dominik J. Bomans
4. Observer\'s Email : biny@ncra.tifr.res.in, omkar@ncra.tifr.res.in, bomans@astro.rub.de
5. Project Name : uGMRT survey of Green pea galaxies: Understanding the evolution of radio synchrotron emission and magnetic fields
6. Project Code : 38_010
7. Operator(s) : Navnath, Nilesh, Pramod
8. Command File : /odisk/gtac/cmd/38_010/31jul/obs.txt
9. LTA File : /gsbifrdata/31jul/38_010_31jul2020_gsb.lta, /gwbifrdata1/31jul/38_010_31jul2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_010.FLAGS.25, /odisk/online1/logflags/38_010.FLAGS.24

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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) : 1409 1409 1460 1460 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work
C05 : ABC Time out
W04 : Servo work
S03 : Mechanical work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 31 Jul 2020 13:00:00 - 31 Jul 2020 17:05:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. 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  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1450  1450
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 38_010
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  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------


13:00 : Started setup.
NOTE : Antennas were getting frequent ABC Reset.Hence it took more time for set up.
13:30 : Started scan on 3C147.
13:40 : Stopped scan,
Scan No.  1,2 and 3 are bad duo to typo error in command file.
13:45 : Started cmd file.
  /odisk/gtac/cmd/38_010/31jul/obs.cmd

16:41 : stopped command file.
16:42 : started scan on phase cal for ~ 4 min.
16:51 : started scan on 3C286 for ~ 9 min.

17:00 : Stopped scan and observation closed.