GTAC Observation Log

1. Date : 14/12/2020
2. Observation Sr. No. : 12676
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) : Rupsing
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata1/14dec/39_056_14dec2020_gsb_b4.lta, /gwbifrdata1/14dec/39_056_14dec2020_gwb_b4.lta
10. LogFlag File : /odisk/online1/logflags/39_056B.FLAGS, /odisk/online1/logflags/39_056A.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 : 20+10 dB, 32 MHz,OFF, IF-CH2 : 20+10 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) : 591 591 540 540 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C00 : FPS problem.


33. Note for Backup :

34. Start and End Time of Obs.(IST): 14 Dec 2020 05:00:00 - 14 Dec 2020 06:10:00

35. ONLINE Machine : Shivneri

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  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 39_056A
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: PA
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 16
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 :: C02 C04 C06 C09 C11 C13 C14 S01 W01 Total=9
# BEAM-1:175 :: C02 C04 C06 C09 C11 C13 C14 S01 W01 Total=9
# BEAM-2:130 :: C01 C05 C08 C10 C12 E02 E03 E04 S02 S03 S04 W02 W03 W04 Total=14
# BEAM-2:175 :: C01 C05 C08 C10 C12 E02 E03 E04 S02 S03 S04 W02 W03 W04 Total=14
-------------------------------------------------------------------------
# GSB GAC configuration is as follows : 
# BEAM-2:130 :: C01 C05 C08 C10 C12 E02 E03 E04 S02 S03 S04 W02 W03 W04 Total=14
# BEAM-2:175 :: C01 C05 C08 C10 C12 E02 E03 E04 S02 S03 S04 W02 W03 W04 Total=14
-------------------------------------------------------------------------
05:30 : Phasing on 0837-198 and started observation.
-------------------------------------------------------------------------
05:30:21 : Started scan on 0837-198(OFF) for ~ 2m
05:35:22 : Started scan on 0837-198 for(ON) ~ 2m
05:42:46 : Started scan on B0950+08 for ~ 20m
06:03:00 : Stopped scan and observation session over.