GTAC Observation Log

1. Date : 13/09/2021
2. Observation Sr. No. : 13494
3. Observer : ARUN KUMAR NAIDU, Shriharsh P. Tendulkar, Victoria Kaspi, Yashwant Gupta
4. Observer\'s Email : arun@ncra.tifr.res.in, shriharsh@physics.mcgill.ca, vkaspi@physics.mcgill.ca, ygupta@ncra.tifr.res.in
5. Project Name : The uGMRT followup of CHIME Repeater FRB 20180814A.
6. Project Code : 40_087
7. Operator(s) : Rupsing, Surender
8. Command File : /data1/gtac/cmd/40_087/11sep21/obs.py
9. LTA File : /gwbifrdata/13sep/40_087_13sep2021_10s_gwb.lta.2, /gwbifrdata/13sep/40_087_13sep2021_10s_gwb.lta.1, /gwbifrdata/13sep/40_087_13sep2021_10s_gwb.lta, /gwbifrdata2/13sep/40_087_13sep2021_0.67s_gwb.lta.2, /gwbifrdata2/13sep/40_087_13sep2021_0.67s_gwb.lta.1, /gwbifrdata2/13sep/40_087_13sep2021_0.67s_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 : Total_Intensity
21. Beam - 1 : IA
22. Beam - 2 : OFF
23. ACQ BW : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
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 :27

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
S06 : Elevation Gear Box replacement.
E03 : ABC time out.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 13 Sep 2021 08:00:00 - 13 Sep 2021 12:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :27

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 1
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  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: SUBA4
GPU_CNTRL  	: ONLINE/TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: VOLTAGE
GPU_BEAM_2  	: IA
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 32
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
--------------------------------
08:20 : Setup done.
----------------------------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
# BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
# BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 S03 W01 W02 W03 Total=20
----------------------------------------------------------------------
08:23 : Started command file.
----------------------------------------------------------------------
09:22 : GWB ACQ got killed.
----------------------------------------------------------------------

----------------------------------------------------------------------
09:23 : Stopped command file.
----------------------------------------------------------------------
09:36 : Restarted GWB Corr.
----------------------------------------------------------------------
09:38 : Restarted command file.
----------------------------------------------------------------------
10:46 : GWB ACQ got killed.
----------------------------------------------------------------------
10:47 : Stopped command file.
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10:56 : Restarted GWB corr.
----------------------------------------------------------------------
10:58 : Started command file.
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11:48 : Stopped command file due to R2 source below horizon.
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12:00 : Observation closed.