GTAC Observation Log

1. Date : 14/01/2022
2. Observation Sr. No. : 13857
3. Observer : Surajit Paul, Sameer Tanaji Salunkhe, PRATEEK GUPTA, Marina Ricci
4. Observer\'s Email : surajit@physics.unipune.ac.in, salunkhesameer1990@gmail.com, prateekgidolia@gmail.com, marina.ricci@lmu.de
5. Project Name : Discovering a radio halo and sub-micro Gauss magnetic field in the tiniest ever galaxy cluster using the uGMRT band 2 and 3
6. Project Code : ddtC215
7. Operator(s) : Nilesh, Pramod, Sachin
8. Command File : /data1/gtac/cmd/ddtc215/obs.py
9. LTA File : /gsbifrdata/14jan/ddtc215_14jan2022_gsb.lta, /gwbifrdata/14jan/ddtc215_14jan2022_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : 16.666666 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 156 156 218 218 62 62
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
S02 : Not tracking properly from TGC

33. Note for Backup :

34. Start and End Time of Obs.(IST): 14 Jan 2022 06:30:00 - 14 Jan 2022 14:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :28

37. RFI Status :

38. Comments (During Observations) :
06:30 : Started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
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  	: Total_Intensity
GPU_SIDEBAND  	: -1 -1
GPU_RF4  	: 300  300
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: DDTC215
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
--------------------------------

06:36 : Started command file with a scan on 3C286 for ~ 8 min.
            /data1/gtac/cmd/ddtc215/obs.py

09:13 : W06 ABC time out(LMC down).
10:05 : W06 released for observation.

10:05 : C09 taken for painting.
14:00 : Stoppped command file and observation closed.