GTAC Observation Log

1. Date : 06/12/2022
2. Observation Sr. No. : 14854
3. Observer : Sarvesh Mangla, Bhuvnesh Brawar, Abhirup Datta
4. Observer\'s Email : mangla.sarvesh@gmail.com, bbrawar@gmail.com, Abhirup.Datta@iiti.ac.in
5. Project Name : A pilot study of ionospheric disturbances in the Northern and Southern hemispheres with the uGMRT using sub-array configuration
6. Project Code : 43_109
7. Operator(s) : Navnath, Nilesh, Pramod, Shilpa
8. Command File :  /data1/gtac/cmd/43_109/43_109_05Dec2022_1400_cmd.py
9. LTA File : /gsbifrdata/05dec/43_109a_05dec2022_suba1_gsb.lta, /gsbifrdata1/05dec/43_109b_05dec2022_suba2_gsb.lta, /gwbifrdata1/05dec/43_109a_05dec2022_suba1_gwb.lta, /gwbifrdata2/05dec/43_109b_05dec2022_suba2_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 : 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) : 306 306 255 255 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
S03 : Painting.
S04 : GAB disconnected.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 05 Dec 2022 14:00:00 - 05 Dec 2022 21:00:00

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  	: 16384
GPU_CHAN_NUM  	: 0:16383:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: -1 -1
GPU_RF1  	: 500  500
GPU_DDCLO1  	: 0.000000  0.000000
GPU_SB1  	: 1 1
GCODE1  	: 43_109A
GPU_RF2  	: 500  500
GPU_DDCLO2  	: 0.000000  0.000000
GPU_SB2  	: 1 1
GCODE2  	: 43_109B
GPU_CNTRL  	: 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
--------------------------------------------------------------------------
# SUBA1 # C00 C02 C05 C09 C11 C12 C14 E03 E05 S01 S03 S06 W01 W03 W05 #
# SUBA2 # C01 C03 C04 C06 C08 C10 C13 E02 E04 E06 S02 S04 W02 W04 W06 #
--------------------------------------------------------------------------
14:00 : Started settings.
14:17 : Started scan on 3C286 for both sub-array.
14:43 : Started scan on 3C468.1 for SUBA1.
14:43 : Started scan on 3C446 for SUBA2.
14:55 : S04 started working.
14:17:51 : Started scan on 3C286 for ~ 1.65535 min.
14:24:50 : Started scan on 3C286 for ~ 9.03732 min.
14:43:50 : Started scan on 3C446 for ~ 363.909 min.
20:54:38 : Started scan on 3C147 for ~ 21.1169 min.
21:00 : Stopped scan and observing session over.
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