GTAC Observation Log

1. Date : 10/11/2019
2. Observation Sr. No. : 11574
3. Observer : Barnali Das, Poonam Chandra, Wade, Matthew Shultz, James Sikora
4. Observer's Email : barnali@ncra.tifr.res.in, poonam@ncra.tifr.res.in, marmottecam@yahoo.ca, matt.shultz@gmail.com, james.sikora@queensu.ca
5. Project Name : Low frequency study of the Ap star HD 12447
6. Project Code : 37_034
7. Operator(s) : Navnath, Rupsing
8. Command File : /odisk/gtac/cmd/37_034/9_nov/obs.cmd
9. LTA File : /gsbifrdata/09nov/37_034_09nov2019_gsb.lta, /gwbifrdata2/09nov/37_034_09nov2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/37_034.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 : 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) : 591 591 540 540 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C04 : : Mechanical work
E05 : : Servo problem
C05 : : feed jam
C11 : : feed jam
C01 : elevation brake
33. Note for Backup :

34. Start and End Time of Obs.(IST): 09 Nov 2019 18:00:00 - 10 Nov 2019 04:10:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :27

37. RFI Status :

38. Comments (During Observations) :

------------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  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 37_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  	: 4
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
18:00:41 : Started scan on 3C48 for ~ 21.3406 min.
18:27:18 : Started cmd file.

   /odisk/gtac/cmd/37_034/9_nov/obs.cmd
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23:00 : Stopped command file.
------------------------------------------------------------------------
23:05 : Started scan on 3C48 for 5min.
------------------------------------------------------------------------
23:12 : Restarted command file.
------------------------------------------------------------------------
03:53 : Stopped command file.
------------------------------------------------------------------------
03:55 : Started scan on 3C48
04:00 : Stopped scan and observation session over.