GTAC Observation Log

1. Date : 15/12/2020
2. Observation Sr. No. : 12684
3. Observer : Kuntal Misra, Martin Blazek, Michael Bremer, ANKUR GHOSH, Luca Izzo, David Alexander Kann, Resmi Lekshmi, Michal Jerzy Michalowski, Daniel Perley, Ruben Sanchez Ramirez, Steve Schulze, Christina Thoene, Antonio deUgartePostigo
4. Observer\'s Email : kuntal@aries.res.in, alf@iaa.es, bremer@iram.fr, ghosh.ankur1994@gmail.com, luca.izzo@gmail.com, kann@iaa.es, l.resmi@gmail.com, mj.michalowski@gmail.com, d.a.perley@ljmu.ac.uk, ruben@sramirez.es, steve.schulze@weizmann.ac.il, cthoene@iaa.es, adeugartepostigo@gmail.com
5. Project Name : Continued monitoring of the brightest radio afterglow detected by GMRT
6. Project Code : 39_038
7. Operator(s) : Sachin
8. Command File : /odisk/gtac/cmd/39_038/obs3.cmd
9. LTA File : /gsbifrdata1/15dec/39_038_band3_15dec2020_gsb.lta, /gwbifrdata/15dec/39_038_band3_15dec2020_10s_gwb.lta
10. LogFlag File : /odisk/online1/logflags/39_038.FLAGS.2

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 : 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) : 306 306 255 255 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
S06 : Feed problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 15 Dec 2020 06:00:00 - 15 Dec 2020 07:02:00

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  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 39_038
GPU_CNTRL  	: ONLINE
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 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  	: 16
GPU_VLT_BIT  	: 8
GPU_ENV  	: RELEASED
--------------------------------
05:49:23 : Started scan on 3C286 for ~ 9.84262 min.
06:05:27 : Started scan on 1130-148 for ~ 5.01079 min.
06:11:10 : Started scan on GRB171205A for ~ 30.0647 min.
06:42:05 : Started scan on 1130-148 for ~ 4.83183 min.
06:47:53 : Started scan on GRB171205A for ~ 7.51619 min.
06:56:33 : Started scan on 1130-148 for ~ 3.40018 min.
07:00 : Closed observation session.