GTAC Observation Log

1. Date : 23/12/2019
2. Observation Sr. No. : 11715
3. Observer : Jayaram Narayanan Chengalur, Sangeeta Malhotra, James Ely Rhoads, Nissim Kanekar, Huan Yang, Tianxing Jiang, Sushma Kurapati, Tapasi Ghosh
4. Observer's Email : chengalur@ncra.tifr.res.in, Sangeeta.Malhotra@nasa.gov, James.E.Rhoads@nasa.gov, nkanekar@ncra.tifr.res.in, hyang@carnegiescience.edu, txjiangastro@gmail.com, sushma@ncra.tifr.res.in, tghosh@naic.edu
5. Project Name : Imaging the HI 21cm line and radio continuum emission in Green Peas: Local analogs of high redshift  Lyman-alpha emitters
6. Project Code : 37_056
7. Operator(s) : Navnath, Shilpa
8. Command File : /odisk/gtac/cmd/chengalu/gp1148.cmd
9. LTA File : /gsbifrdata1/23dec/37_056_23dec2019_gsb.lta, /gwbifrdata1/23dec/37_056_23dec2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/37_056.FLAGS.3

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1348.6535 MHz ,RF2 : 1348.6535 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1290 MHz, ILO2 : 1290MHz , IVLO1 : 58.6535 MHz, IVLO2 : 58.6535 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 16.666666 MHz
24. Final BW : 4 MHz; Step # 2
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 141.3465
28. LO5 -2  : 163.6535

29. Frequency Parameters (TPA) : 1348.6535 1348.6535 1290 1290 58.6535 58.6535
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
C05 : Feed jam
33. Note for Backup :GWB : Integration Time 16s.


34. Start and End Time of Obs.(IST): 23 Dec 2019 06:00:00 - 23 Dec 2019 11:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :28

37. RFI Status :

38. Comments (During Observations) :
Note : GWB data recorded by 16s integration time.
------------GWB Setting---------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100.0000
GPU_FINAL_BW  	: 100.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1330  1330
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 37_056
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
--------------------------------------------------------------------------
06:16 : Started scan on 3C286 for ~ 9.9321 min.
06:30 : '/odisk/gtac/cmd/chengalu/gp1148.cmd' command file started.

10:27 : C14 taken for structural repairing.
10:47 : Stopped command file.

10:50 : Started scan on 3C286.
11:00 : Stopped scan and observing session over.