GTAC Observation Log

1. Date : 11/08/2019
2. Observation Sr. No. : 11330
3. Observer : Barnali Das, Poonam Chandra
4. Observer's Email : barnali@ncra.tifr.res.in, poonam@ncra.tifr.res.in
5. Project Name : Low frequency study of the stars HD 133880 and HD 35298
6. Project Code : 36_034
7. Operator(s) : Deepak, Nilesh, Rupsing, Shilpa
8. Command File : /odisk/gtac/cmd/36_034/11_aug/obs.cmd
9. LTA File : /gsbifrdata1/11aug/36_034_11aug2019_gsb.lta, /gwbifrdata2/11aug/36_034_11aug2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/TST2082.FLAGS, /odisk/online1/logflags/36_034.FLAGS.3

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 :26

32. Name of Non-Working Antennas (with reason for each) :
E04 : Fiber cut.
E05 : Fiber cut.
E06 : Fiber cut.
W05 : Servo problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 11 Aug 2019 06:00:00 - 11 Aug 2019 12:05:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :26

37. 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  	: 36_034
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  	: 128
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
06:00 : Started settings.
06:22 : Started scan on 3C48 for ~ 11.0058 min.

06:41 : '/odisk/gtac/cmd/36_034/11_aug/obs.cmd' command file started.
----------------------------------------------------------------------
10:30 : W05 started working
----------------------------------------------------------------------
11:48 : Stopped command file.
11:55 : Started scan on 3C286.
12:05 : Stopped scan and observation session over.