GTAC Observation Log

1. Date : 26/04/2024
2. Observation Sr. No. : 16630
3. Observer : Shyam Sunder
4. Observer\'s Email : ssunder@ncra.tifr.res.in
5. Project Name : Investigating frequency-dependent dispersion measure with the GMRT
6. Project Code : ddtC346
7. Operator(s) : Sachin, Surender
8. Command File : /data1/gtac/cmd/ddtc346/ddtC346_26Apr2024_1600_cmd.py
9. LTA File : /gwbifrdata1/26apr/ddtc346c_26apr2024_subar3_b5_gwb.lta.1, /gwbifrdata1/26apr/ddtc346b_26apr2024_subar2_b4_gwb.lta.1, /gwbifrdata1/26apr/ddtc346a_26apr2024_subar1_b3_gwb.lta.1
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) :
C03 : Taken for Mech Work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 26 Apr 2024 16:20:00 - 26 Apr 2024 17:46:00

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  	: 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  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF1  	: 500  500
GPU_DDCLO1  	: 0.000000  0.000000
GPU_SB1  	: 1 1
GCODE1  	: DDTC346A
GPU_RF2  	: 550  550
GPU_DDCLO2  	: 0.000000  0.000000
GPU_SB2  	: 1 1
GCODE2  	: DDTC346B
GPU_RF3  	: 1460  1460
GPU_DDCLO3  	: 0.000000  0.000000
GPU_SB3  	: 1 1
GCODE3  	: DDTC346C
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: PA
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  	: OFF
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 C05 C10 C11 Total=6
# BEAM-1:175 :: C00 C01 C02 C05 C10 C11 Total=6
# BEAM-2:130 :: C04 C06 C08 C09 C12 C13 C14 Total=7
# BEAM-2:175 :: C04 C06 C08 C09 C12 C13 C14 Total=7
# BEAM-3:130 :: E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=16
# BEAM-3:175 :: E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 W06 Total=16
--------------------------------
16:50:19 : Started cmd file.
           /data1/gtac/cmd/ddtc346/ddtC346_26Apr2024_1600_cmd.py
17:46:00 : Stopped cmd file and observing session over.
-------------------------------