GTAC Observation Log

1. Date : 07/12/2020
2. Observation Sr. No. : 12646
3. Observer : Yashwant Gupta, Shubham Singh, Kishalay De
4. Observer\'s Email : ygupta@ncra.tifr.res.in, ssingh@ncra.tifr.res.in, kde@caltech.edu
5. Project Name : Probing the microstructure emission properties of PSR B0950\\\\\\\\\\\\\\\\\\\\+08 with uGMRT
6. Project Code : 39_056
7. Operator(s) : Nilesh
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata1/07dec/39_056_07dec2020_gsb.lta, /gwbifrdata/07dec/39_056_07dec2020_gwb.lta.1, /gwbifrdata/07dec/39_056_07dec2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/39_056.FLAGS.1

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 : 14+16 dB, 32 MHz,OFF, IF-CH2 : 14+16 dB, 32 MHz,OFF

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 : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : Volt
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 : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.


33. Note for Backup :

34. Start and End Time of Obs.(IST): 07 Dec 2020 00:40:00 - 07 Dec 2020 02:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
00:40 : Started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
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  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 39_056
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 16
GPU_GAINEQ  	: ON
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
GPU_PFB  	: OFF
GPU_PFB_TAPS  	: 16
GPU_BEAM_BIT  	: 1
GPU_VLT_BIT  	: 16
GPU_ENV  	: 8
--------------------------------

::::::::::::::
gwb_gac.dat
::::::::::::::
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
# BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
# BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
# BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
# BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
# BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
# BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
::::::::::::::
gsb_gac.dat
::::::::::::::
# GSB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
# BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23
# BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 S01 S02 S03 W01 W02 W03 W04 Total=23

01:10:00 : SHM attachment error in PAVB recording.
           Re-started GSB about 2 times.

01:19:50 : Started scan on 0837-198 for ~ 1.07374 min.
01:23:46 : Started scan on 0837-198 for ~ 3.5344 min.
01:32:32 : Started scan on 0837-198 for ~ 1.87905 min.
01:35:15 : Started scan on 0837-198 for ~ 2.59487 min.
01:42:45 : Started scan on B0950+08 for ~ 18 min.

02:01 : Stopped scan and observation closed.