GTAC Observation Log

1. Date : 03/04/2021
2. Observation Sr. No. : 13046
3. Observer : Asif Iqbal Ahangar, Ruta Kale, Monique Arnaud, Gabriel William Pratt
4. Observer\'s Email : asif.ahangar@cea.fr, ruta@ncra.tifr.res.in, monique.arnaud@cea.fr, gabriel.pratt@cea.fr
5. Project Name : Radio observations of the complex structure of A1644 galaxy cluster
6. Project Code : 39_085
7. Operator(s) : Deepak, Rupsing, Shriram, Surender
8. Command File : /data1/gtac/cmd/39_085/02Apr2021.py
9. LTA File : /gsbifrdata1/02apr/39_085_02apr2021_gsb.lta, /gwbifrdata/02apr/39_085_02apr2021_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 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+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 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) : 156 156 218 218 62 62
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) :
C03 : Mechanical Work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 02 Apr 2021 21:00:00 - 03 Apr 2021 05:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 300  300
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 39_085
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  	: 16
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_ENV  	: RELEASED
--------------------------------
21:10 : Started scan on 3C147.
21:18 : Stopped scan and started command file.
------------------------------------------------------------------------
22:00 : C01 Frequently applied brakes. (Throughout observation)
04:45 : Command file stopped.
04:49 : Started scan on 3C286.
05:00 : Scan stopped and observing session over.