GTAC Observation Log

1. Date : 27/07/2021
2. Observation Sr. No. : 13340
3. Observer : Wasim Raja, Avinash A. Deshpande
4. Observer\'s Email : Wasim.Raja@csiro.au, desh@rri.res.in
5. Project Name : Multi-frequency polarimetry of supernova remnant Cassiopeia A using the upgraded GMRT
6. Project Code : 40_014
7. Operator(s) : Nilesh, Shriram, Surender
8. Command File : /data1/gtac/cmd/40_014/band5_no-moon/new.py
9. LTA File : /gsbifrdata1/26jul/40_014_26jul2021_gsb.lta, /gwbifrdata2/26jul/40_014_26jul2021_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1399 MHz ,RF2 : 1399 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1450 MHz, ILO2 : 1450MHz , 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 : 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) : 1399 1399 1450 1450 51 51
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.
C11 : : Low fringe.
C10 : NOt tracking properly.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 26 Jul 2021 22:00:00 - 27 Jul 2021 06:25:00

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  	: 400.0000
GPU_FINAL_BW  	: 400
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 40_014
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 32
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 4 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
--------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=19
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=19

22:00 : started settings.
22:30 : Power equalized on CAS-A.
22:35 : Started command file.
       \'/data1/gtac/cmd/40_014/band5_no-moon/new.py\'

22:40 : Scripting ds hang, restarted.
22:50 : Started command file.
        \' /data1/gtac/cmd/40_014/band5_no-moon/new.py\'
06:25 : Stopped cmd file and observing session over.
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