GTAC Observation Log

1. Date : 05/02/2022
2. Observation Sr. No. : 13922
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) : Nilesh, Pramod, Rupsing
8. Command File : /data1/gtac/cmd/41_034/41_034_05Feb2022_0400_cmd.py
9. LTA File : /gsbifrdata1/05feb/41_034_05feb2022_band5_gsb.lta, /gwbifrdata1/05feb/41_034_05feb2022_band5_gwb.lta.1, /gwbifrdata1/05feb/41_034_05feb2022_band5_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 : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C02 : Maintenance.
W04 : CH-1 Low fringe.
C11 : Self power fluctuation to CH-1(130 pol).

33. Note for Backup :

34. Start and End Time of Obs.(IST): 05 Feb 2022 04:00:00 - 05 Feb 2022 11:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
04:00 : Started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
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  	: 1330  1330
GPU_DDCLO4  	: 0.000000  0.000000
GPU_SB4  	: 1 1
GCODE4  	: 41_034
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  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
GPU_PFB  	: OFF
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------

04:22 : Started command file.
          /data1/gtac/cmd/41_034/41_034_05Feb2022_0400_cmd.py
10:15 : C11 Taken for FE work.
10:40 : W04 taken for telemetry work. 
AS flux cal 3C286 was setting around 10:30.Hence it is observed before target at the end.
11:00 : Stopped command file and observation session is over.