GTAC Observation Log

1. Date : 14/01/2024
2. Observation Sr. No. : 16285
3. Observer : Nirupam Roy, Rohit Dokara, Karl M. Menten, Sarita Vig, Md Rashid, Henrik Beuther, Andreas Brunthaler, Jagadheep D Pandian, Michael Rainer Rugel, Prasun Dutta
4. Observer\'s Email : roy.nirupam@gmail.com, rohitd@protonmail.com, kmenten@mpifr.de, sarita@iist.ac.in, ra1991shid@gmail.com, beuther@mpia.de, brunthal@mpifr-bonn.mpg.de, jagadheep@iist.ac.in, mrugel@mpifr-bonn.mpg.de, pdutta.phy@itbhu.ac.in
5. Project Name : Metrewave Galactic Plane with the uGMRT (MeGaPluG) survey: Phase 1
6. Project Code : 45_095
7. Operator(s) : Navnath, Pramod, Shriram
8. Command File : /data1/gtac/cmd/45_095/45_095_14Jan2024_0700_cmd.py
9. LTA File : /gsbifrdata1/14jan/45_095_14jan2024_b4_gsb.lta, /gwbifrdata2/14jan/45_095_14jan2024_b4_gwb.lta
10. LogFlag File :   

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 : Full_Stokes
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) : 591 591 540 540 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
S03 : Broadband RFI.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 14 Jan 2024 07:00:00 - 14 Jan 2024 16:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :29

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 8
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 45_095
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\' / THRESHOLD=\'THRESHOLD CLIP\' / DIGITAL=\'DIGITAL NOISE\'
DDC_STATUS		:	OFF			# DDC = ON/OFF
--------------------------------
07:00 : Started settings.
07:25 : Started command file,
        \'/data1/gtac/cmd/45_095/45_095_14Jan2024_0700_cmd.py\'
11:46 : East arm electrical power failure, all antennas shifted to DGset power. 
11:51 : East arm electrical power restored.
16:00 : Stopped command file and observation session is over.