GTAC Observation Log

1. Date : 30/09/2023
2. Observation Sr. No. : 15946
3. Observer : Abhik Ghosh, Sushanta Kumar Mondal, Rupam Kumbhakar, Srijita Pal, Khandakar Md Asif Md Asif, PARIMAL GHOSH
4. Observer\'s Email : abhik.physicist@gmail.com, susnautiitd@gmail.com, rupamkumbhakar1512@gmail.com, srijitapal.phy@gmail.com, asifelahi999@gmail.com, parimal34@gmail.com
5. Project Name : The effect of the ionosphere on low-frequency uGMRT  radio-interferometric observations: Towards developing a new efficient calibration strategy for 21-cm Intensity Mapping experiments
6. Project Code : 44_005
7. Operator(s) : Nilesh
8. Command File : /data1/gtac/cmd/44_005/44_005_30Sep2023_0000_cmd.py
9. LTA File : /gsbifrdata/30sep/44_005_30sep2023_b2_gsb.lta, /gwbifrdata2/30sep/44_005_30sep2023_b2_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 :25

32. Name of Non-Working Antennas (with reason for each) :
C04 : No fringe at GSB.
C11 : No Fringe for B2.
E06 : No Fringe for B2.
S01 : FPS jammed.
W02 : No Fringe for B2.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 30 Sep 2023 00:00:00 - 30 Sep 2023 03:10:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :25

37. RFI Status :

38. Comments (During Observations) :
00:00 : 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  	: 16384
GPU_CHAN_NUM  	: 0:16383:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: -1 -1
GPU_RF4  	: 300  300
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 44_005
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  	: ON
GPU_PFB_TAPS  	: 4
GPU_BEAM_BIT  	: 16
GPU_VLT_BIT  	: 8
GPU_WALSH  	: OFF
GPU_ENV  	: RELEASED
--------------------------------

00:30 : Started command file.
         /data1/gtac/cmd/44_005/44_005_30Sep2023_0000_cmd.py

03:10 : Stopped command file and observation over.