GTAC Observation Log

1. Date : 31/12/2023
2. Observation Sr. No. : 16239
3. Observer : Balpreet Kaur, Nissim Kanekar, Aditya Chowdhury, Jayaram Narayanan Chengalur
4. Observer\'s Email : bkaur@ncra.tifr.res.in, nkanekar@ncra.tifr.res.in, chowdhury@ncra.tifr.res.in, chengalur@ncra.tifr.res.in
5. Project Name : Confirming the detections of HI 21cm absorption towards radio-loud AGNs in the COSMOS field
6. Project Code : 45_131
7. Operator(s) : Surender
8. Command File : /data1/gtac/cmd/45_131/45_131_30Dec2023_2300_cmd.py
9. LTA File : /gsbifrdata1/30dec/45_131_30dec2023_b4_gsb.lta, /gwbifrdata2/30dec/45_131_30dec2023_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+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) : 591 591 540 540 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
W06 : LMC Down.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 30 Dec 2023 23:00:00 - 31 Dec 2023 07:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :29

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 8
GPU_ACQ_BW  	: 100
GPU_FINAL_BW  	: 50
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 16384
GPU_CHAN_NUM  	: 0:16383:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 470  470
GPU_DDCLO4  	: 0.000000  0.000000
GPU_SB4  	: 1 1
GCODE4  	: SUBA4
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
--------------------------------
23:00 : Started set-up.
23:19 : Started cmd file.
         /data1/gtac/cmd/45_131/45_131_30Dec2023_2300_cmd.py
07:00 : Stopped cmd file and observing session over.
--------------------------------