GTAC Observation Log

1. Date : 28/06/2023
2. Observation Sr. No. : 15552
3. Observer : Mayank Narang, Manoj Puravankara, Himanshu Tyagi, Bihan Banerjee, Arun Surya, Prasanta Kumar Nayak
4. Observer\'s Email : mayankn1154@gmail.com, manoj.puravankara@tifr.res.in, tyagihimanshu027@gmail.com, banerjeebihan@gmail.com, arunsuryaoffice@gmail.com, nayakphy@gmail.com
5. Project Name : Investigating the origins of radio emissions from the brown dwarf LSR~J1835\\\\+3259: A radio-loud JWST GO target  
6. Project Code : 44_057
7. Operator(s) : Deepak, Rupsing, Surender
8. Command File : /data1/gtac/cmd/44_057/44_057_27Jun2023_1900_cmd.py
9. LTA File : /gsbifrdata1/27jun/44_057_27jun2023_b4_gsb.lta, /gwbifrdata1/27jun/44_057_27jun2023_b4_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 591 591 540 540 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) :
S03 : : Strong RFI lines @band4.
C01 : : RF not getting set.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 27 Jun 2023 19:00:00 - 28 Jun 2023 00:00:00

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  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 44_057
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
--------------------------------
19:00:15 : Started set-up.
19:19:15 : Started cmd file.
           /data1/gtac/cmd/44_057/44_057_27Jun2023_1900_cmd.py
23:15 : IN main \'gtac_44_057_27Jun2023_1900.txt\' file.The time on 3C286 inside the loop is given 0.Hence very less recording done on 3C286.
00:05 : Stopped command file and observation session is over.