GTAC Observation Log

1. Date : 18/08/2020
2. Observation Sr. No. : 12322
3. Observer : Virginia Cuciti, Rossella Cassano, Ruta Kale, Andrea Botteon, Francesco de Gasperin, Ignesti, Marcus Bruggen, Gianfranco Brunetti, Reinout Johannes vanWeeren, Shimwell
4. Observer\'s Email : vcuciti@hs.uni-hamburg.de, rcassano@ira.inaf.it, ruta@ncra.tifr.res.in, botteon@strw.leidenuniv.nl, fdg@hs.uni-hamburg.de, alessandro.ignesti2@unibo.it, mbrueggen@hs.uni-hamburg.de, brunetti@ira.inaf.it, rvweeren@strw.leidenuniv.nl, shimwell@strw.leidenuniv.nl
5. Project Name : A systematic spectral study of diffuse radio emission in galaxy clusters with the uGMRT and LOFAR
6. Project Code : 38_025
7. Operator(s) : Deepak, Manisha
8. Command File : /odisk/gtac/cmd/38_025/aug2020/38_025_s15_18aug2020-1.cmd, /odisk/gtac/cmd/38_025/aug2020/38_025_s17_18aug2020-2.cmd
9. LTA File : /gsbifrdata1/18aug/38_025_18aug2020_s17_gsb.lta, /gsbifrdata1/18aug/38_025_18aug2020_s15_gsb.lta, /gwbifrdata1/18aug/38_025_18aug2020_s17_gwb.lta, /gwbifrdata1/18aug/38_025_18aug2020_s15_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_025.FLAGS.8

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 : 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
C14 : Feed Jam
E03 : servo time out
S03 : Mechanical Maint

33. Note for Backup :

34. Start and End Time of Obs.(IST): 18 Aug 2020 03:01:00 - 18 Aug 2020 13:05:00

35. ONLINE Machine : Shivneri

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  	: 200.0000
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_025
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  	: 8
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: Voltage Detection
GPU_BEAM_S  	: OFF
------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
--------------------------------
03:01 : Started setup.
03:25 : Started scan on 3C48 for 8mins
03:35 : Started command file
        /odisk/gtac/cmd/38_025/aug2020/38_025_s15_18aug2020-1.cmd
07:50 : started scan on 3C147 ~ 8 mins.
08:01 : started command file
        /odisk/gtac/cmd/38_025/aug2020/38_025_s17_18aug2020-2.cmd
10:15 : C14 started working.
10:30 : S03 taken for Mech Maint.
12:50 : stopped command file.
12:54 : started scan on 3c286.
13:01 : stopped scan and observation session over.