GTAC Observation Log

1. Date : 18/02/2019
2. Observation Sr. No. : 10900
3. Observer : Kuntal Misra, Resmi Lekshmi, C.H. IshwaraChandra, Steve Schulze, Paul O`Brien, Nial Rahil Tanvir
4. Observer's Email : kuntal@aries.res.in, l.resmi@gmail.com, ishwar@ncra.tifr.res.in, steve.schulze@weizmann.ac.il, pto2@leicester.ac.uk, nrt3@star.le.ac.uk
5. Project Name : Continued monitoring of GW170817/GRB170817a: Following the journey of the relativistic jet from the first BNS merger
6. Project Code : 35_050
7. Operator(s) : Navnath
8. Command File : /odisk/gtac/cmd/35_050/obs.cmd
9. LTA File : /gsbifrdata/17feb/35_050_17feb2019_gsb.lta, /gwbifrdata2/17feb/35_050_17feb2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/35_050.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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_lenyadri
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) : 1409 1409 1460 1460 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) :
C12 : : : Servo Time out.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 17 Feb 2019 23:00:00 - 18 Feb 2019 07:05:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :

23:00 : Started setup.
23:20 : Started scan on 3C286 for 10 min.
23:30 : started cmd file.

    /odisk/gtac/cmd/35_050/obs.cmd

06:40 : C00 GAB Resetting done.
06:45 : Started scan on phase cal for 5 min.
06:55 : Started scan on 3C286.
07:05 : Observing session over.
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------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 400.0000
GPU_FINAL_BW  	: 400.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 35_050
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  	: 32
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------