GTAC Observation Log

1. Date : 30/10/2022
2. Observation Sr. No. : 14681
3. Observer : Gulay Gurkan, Kamlesh Rajpurohit, Aritra Basu, Matthias Hoeft
4. Observer\'s Email : gulay.gurkan.g@gmail.com, kamlesh.rajpurohit@unibo.it, abasu@tls-tautenburg.de, hoeft@tls-tautenburg.de
5. Project Name : Unveiling the spectacular off-centre cluster merger AC114 with uGMRT
6. Project Code : 43_006
7. Operator(s) : Nilesh
8. Command File : /data1/gtac/cmd/43_006/43_006_29Oct2022_1800_cmd.py
9. LTA File : /gsbifrdata/29oct/43_006_29oct2022_gsb.lta, /gwbifrdata2/29oct/43_006_29oct2022_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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 : Full_Stokes
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) : 306 306 255 255 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C11 : LMC down.
C12 : CH1 No fringe.
W06 : No Fringe.

33. Note for Backup :
1. Data shows Scintillation patterns.
2. SCAN#2 and SCAN#3 are BAD since earlier observation 
   command file was not closed properly, system hanged/slowed.
3. 3C48 was not available at the beginning so taken scan around 18:45 Hrs.
   And Restarted 

34. Start and End Time of Obs.(IST): 29 Oct 2022 17:00:00 - 30 Oct 2022 00:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :27

37. RFI Status :

38. Comments (During Observations) :
17:08 : 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  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Full_Stokes
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 43_006
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
--------------------------------

17:34:56 : Started scan on 2219-279 for ~ 2.32644 min.
17:39:15 : Started scan on AC114 for ~ 1.34218 min.
17:45:50 : Started scan on B1920+21 for ~ 3.3107 min.   ## BAD SCAN.
17:49:21 : Started scan on B1920+21 for ~ 2.23696 min.  ## BAD SCAN.
17:51:57 : Started scan on AC114 for ~ 32.6149 min.

NOTE:
1. Data shows Scintillation patterns.
2. SCAN#2 and SCAN#3 are BAD since earlier observation 
   command file was not closed properly, system hanged/slowed.
3. 3C48 was not available at the beginning so taken scan around 18:45 Hrs.
   And Restarted command file after it.
4. Observations supposed to be carried out at Band-4, due to some 
   confusions carried out at Band-3.

18:56:00 : Re-started command file
            /data1/gtac/cmd/43_006/43_006_29Oct2022_1800_cmd.py

19:30 : C11 Antenna Started working.

00:00:00 : Stopped scan and observing session over.
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