GTAC Observation Log

1. Date : 24/04/2023
2. Observation Sr. No. : 15337
3. Observer : Jaewon Yoo, HoSeong Hwang, Dharam Vir Lal, Changbom Park, Dongkok Kim
4. Observer\'s Email : jwyoo@kias.re.kr, hhwang@kias.re.kr, dharam@ncra.tifr.res.in, cbp@kias.re.kr, cruithne33@gmail.com
5. Project Name : A uGMRT HI Survey of the Coma Cluster
6. Project Code : 44_046
7. Operator(s) : Shriram, Surender
8. Command File : /data1/gtac/cmd/44_046/44_046_23Apr2023_1900_cmd.py
9. LTA File : /gsbifrdata1/23apr/44_046_23apr2023_b5_gsb.lta, /gwbifrdata2/23apr/44_046_23apr2023_b5_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , 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) : 1371 1371 1320 1320 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :30

32. Name of Non-Working Antennas (with reason for each) :


33. Note for Backup :

34. Start and End Time of Obs.(IST): 23 Apr 2023 19:00:00 - 24 Apr 2023 04:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :30

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100
GPU_FINAL_BW  	: 100
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: -1 -1
GPU_RF4  	: 1450  1450
GPU_DDCLO4  	: 0.000000  0.000000
GPU_SB4  	: -1 -1
GCODE4  	: 44_046
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 8
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: Voltage Detection
GPU_BEAM_S  	: OFF
GPU_PFB  	: ON
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
------GWB RFI Filter Setting-----
FILTERED_SIGNALS:	RFI_ALL		# RFI_ALL=All signals filtered / RFI_CH1 =Channel 1 only / RFI_CH2=Channel 2 only
EXTERNAL MEDIAN	:	0		# integer value(-128 to 127)
THRESHOLD VALUE	:	4		# integer value(0 to 127)
CONSTANT VALUE	:	0		# integer value(-128 to 127)
FILTERING OPTION:	DIGITAL NOISE	# BYPASS / CONSTANT=constant value is used / THRESHOLD / DIGITAL_NOISE
DDC_STATUS	:	ON		# DDC = ON/OFF
--------------------------------
19:00 : Started settings.
19:20 : Started command file.
        \'/data1/gtac/cmd/44_046/44_046_23Apr2023_1900_cmd.py\'
04:01 : Stopped command file and observing session over.
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