GTAC Observation Log

1. Date : 23/02/2023
2. Observation Sr. No. : 15143
3. Observer : Rashmi Sagar, Abhirup Datta, Akriti Sinha, Arnab Chakraborty, Nirupam Roy, Kanan Kumar Datta, Prasun Dutta, samir choudhuri
4. Observer\'s Email : phd2101121003@iiti.ac.in, Abhirup.Datta@iiti.ac.in, sinha.akriti44@gmail.com, arnab.phy.personal@gmail.com, roy.nirupam@gmail.com, kanan.physics@presiuniv.ac.in, pdutta.phy@itbhu.ac.in, samir.svc@gmail.com
5. Project Name : Characterising Foregrounds in 21cm Cosmology Observations with the uGMRT Band-2: Phase 2
6. Project Code : 43_077
7. Operator(s) : Deepak, Navnath, Pramod, Rupsing
8. Command File : /odisk/gtac/cmd/43_077/end.py
9. LTA File : /gsbifrdata/22feb/43_077_22feb2023_gsb.lta, /gsbifrdata1/22feb/43_077_22feb2023_gsb.lta.1, /gsbifrdata1/22feb/43_077_22feb2023_gsb.lta, /gwbifrdata/22feb/43_077_22feb2023_gwb.lta, /gwbifrdata1/22feb/43_077_22feb2023_gwb.lta, /gwbifrdata2/22feb/43_077_22feb2023_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 : Full_Stokes
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 : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C04 : +afl flag in az axis.
E06 : intermediate  brakes.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 22 Feb 2023 01:00:00 - 22 Feb 2023 09:00:00

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  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 300 300
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 43_077
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
--------------------------------
00:40:27 : Started scan on 3C286 for ~ 15.3679 min.
00:58:27 : Started scan on J1549+506 for ~ 5.57003 min.
01:05:51 : Started scan on ELAISN1 for ~ 7.38197 min.
04:30:00 : ACQ got kill
04:50:00 : Restarted Corr data acquisition chain.
         :Restarted cmd file on flux cal to check data after restart flux cal for 5 min
         /odisk/gtac/cmd/43_077/end.py
06:30:00 : ACQ killed. Restarted cmd file.
           /odisk/gtac/cmd/43_077/end.py
09:07:00 : Stopped command file and observation closed.