GTAC Observation Log

1. Date : 01/01/2021
2. Observation Sr. No. : 12751
3. Observer : ARUN KUMAR NAIDU, Shriharsh P. Tendulkar, Yashwant Gupta, Biny Sebastian, Sushma Kurapati
4. Observer\'s Email : arun@ncra.tifr.res.in, shriharsh@physics.mcgill.ca, ygupta@ncra.tifr.res.in, biny@ncra.tifr.res.in, sushma@ncra.tifr.res.in
5. Project Name : The uGMRT follow-up of CHIME Repeaters.
6. Project Code : 39_100
7. Operator(s) : Shilpa, Shriram
8. Command File : /odisk/gtac/cmd/39_100/obs.cmd
9. LTA File : /gsbifrdata1/01jan/39_100_01jan2021_gsb.lta, /gwbifrdata1/01jan/39_100_01jan2021_gwb.lta
10. LogFlag File : /odisk/online1/logflags/39_100.FLAGS

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
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) : 591 591 540 540 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
W03 : Mechanical work
S03 : Taken for maintenance.
C13 : GAB checksum error
33. Note for Backup :

34. Start and End Time of Obs.(IST): 01 Jan 2021 16:00:00 - 01 Jan 2021 20:10:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :
Pulsar Data Files on
GWBH7 : /data7/gpuuser/39_100_data7_01jan2021/*
GWBH8 : /data7/gpuuser/39_100_data7_01jan2021/*
------------GWB Setting---------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 1
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
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  	: 39_100
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: Voltage
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 64
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
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_ENV  	: RELEASED
--------------------------------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 S03 W01 W02 Total=19
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 S03 W01 W02 Total=19
# BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 S03 W01 W02 Total=19
# BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C14 E02 E03 S01 S02 S03 W01 W02 Total=19
--------------------------------------------------------------------------
16:00 : started settings.
16:20 : Power equalized and phasing done on 3C48.
16:24 : Started command file,
       \'/odisk/gtac/cmd/39_100/obs.cmd\'
17:46 : S03 started working. Added to GAC.
19:56 : Command file stopped.
20:00 : Started scan on 3C48 for ~ 1.92379 min.
20:02 : Started scan on 3C48 for ~ 4.10482 min.
20:07 : Started scan on 3C48OFF for ~ 3.123033 min.
20:10 : Stopped scan and observing session over.
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