GTAC Observation Log

1. Date : 23/04/2023
2. Observation Sr. No. : 15336
3. Observer : Viral Parekh, HIROKI AKAMATSU, Sinenhlanhla Precious Sikhosana, Su Yuan, Ruta Kale, Dwarakanath K.S.
4. Observer\'s Email : viral.parekh2912@gmail.com, h.akamatsu@sron.nl, sneprec@gmail.com, ysu262@g.uky.edu, ruta@ncra.tifr.res.in, dwaraka@rri.res.in
5. Project Name : Probing the nature of radio ridge and relic in the low massive galaxy cluster Abell 168
6. Project Code : 44_096
7. Operator(s) : Rupsing, Sachin, Shilpa
8. Command File : /data1/gtac/cmd/44_096/44_096_23Apr2023_0700_cmd.py
9. LTA File : /gsbifrdata1/23apr/44_096_23apr2023_b3_gsb.lta, /gwbifrdata1/23apr/44_096_23apr2023_b3_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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : 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 :28

32. Name of Non-Working Antennas (with reason for each) :
S06 : Not releasing azimuth brakes.
C05 : Servo probelm. 

33. Note for Backup :

34. Start and End Time of Obs.(IST): 23 Apr 2023 06:35:00 - 23 Apr 2023 15:00:00

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  	: 44_096
GPU_CNTRL  	: 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		:	OFF			# DDC = ON/OFF
--------------------------------------------------------------------------
06:35 : Started settings.
07:00 : \'/data1/gtac/cmd/44_096/44_096_23Apr2023_0700_cmd.py\' command file started.
-------------------------------------------------------------------------
09:30 : Taken for Dish surface refurbishment work.
-------------------------------------------------------------------------
15:00 : Stopped command file and observation closed.