GTAC Observation Log

1. Date : 20/12/2021
2. Observation Sr. No. : 13777
3. Observer : Alastair Edge, Ruta Kale, Brian Robert McNamara, Tom Rose, Helen Russell, Raymond Oonk, Marcus Halson, Massimo Gaspari
4. Observer\'s Email : alastair.edge@durham.ac.uk, ruta@ncra.tifr.res.in, mcnamara@uwaterloo.ca, tom.rose06@gmail.com, helen.russell@nottingham.ac.uk, oonk@strw.leidenuniv.nl, mdhalson@gmail.com, massimo.gaspari@inaf.it
5. Project Name : Constraining the cold accretion onto the most massive Black Holes
6. Project Code : 41_034
7. Operator(s) : Rupsing, Sachin, Shilpa
8. Command File : /data1/gtac/cmd/41_034/20Dec2021_0700.py
9. LTA File : /gsbifrdata/20dec/41_034_20dec2021_gsb.lta, /gwbifrdata1/20dec/41_034_20dec2021_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1281 MHz ,RF2 : 1281 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , 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 : 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) : 1281 1281 1230 1230 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.
C01 : Feed not rotated.
W04 : Strong RFI.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 20 Dec 2021 07:00:00 - 20 Dec 2021 15:10:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :26

37. RFI Status :

38. Comments (During Observations) :
-----------GWB Setting---------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 8
GPU_ACQ_BW  	: 100.0000
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  	: 1220  1220
GPU_DDCLO4  	: 0.000000  0.000000
GPU_SB4  	: 1 1
GCODE4  	: 41_034
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  	: RFI Filterring OFF
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
--------------------------------------------------------------------------
06:45 : Started settings.
07:22 : \'/data1/gtac/cmd/41_034/20Dec2021_0700.py\' command file started.
10:33 : E03 taken for structural repairing.
15:10 : Stopped command file and observing session over.