GTAC Observation Log

1. Date : 13/07/2021
2. Observation Sr. No. : 13295
3. Observer : Ramesh Bhat, Samuel James McSweeney, Marcin Sokolowski, Sanjay S. Kudale, Nicholas Anthony Swainston, Susmita Sett
4. Observer\'s Email : ramesh.bhat@curtin.edu.au, sammy.mcsweeney@gmail.com, marcin.sokolowski@curtin.edu.au, ksanjay@gmrt.ncra.tifr.res.in, nickaswainston@gmail.com, 20014515@student.curtin.edu.au
5. Project Name : Probing the plasma turbulence toward high Galactic latitudes
6. Project Code : 40_104
7. Operator(s) : Manisha, Nilesh, Shilpa, Shriram
8. Command File : /data1/gtac/cmd/40_104/13jul2021/13jul21_b3_1.py
9. LTA File : /gwbifrdata/13jul/40_104_13jul2021_gwb.lta
10. LogFlag File :   

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/TGC
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 : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
S04 : Servo problem
C11 : Power fluctuation at 130 pol.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 13 Jul 2021 03:20:00 - 13 Jul 2021 08:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
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  	: 40_104
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: PA
GPU_BEAM_4  	: PA
GPU_BM_INT  	: 64
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
GPU_PFB  	: OFF
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_ENV  	: RELEASED
--------------------------------------------------------------------------
# GWB GAC configuration is as follows :
# BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 Total=21
# BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 Total=21
# BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27
# BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27
--------------------------------------------------------------------------
03:20 : Started settings.
03:30 : Power equalized on 3C48  for 140 counts.
03:40 : Phasing done on 3C48
03:44 : Started scan on 3C48 ~15 min.
04:00 -04:15 : Slewing.
04:15 : Started command file,
       \'/data1/gtac/cmd/40_104/13jul2021/13jul21_b3_1.py\'
04:22 : Phasing was bad. Stopped command file,
04:26 -04:30 : Phasing done manually.
04:35 : Restarted command file.

08:14 : Command file stopped and closed observation.