GTAC Observation Log

1. Date : 17/03/2020
2. Observation Sr. No. : 11986
3. Observer : Aditya Chowdhury, Nissim Kanekar, Jayaram Narayanan Chengalur
4. Observer\'s Email : chowdhury@ncra.tifr.res.in, nkanekar@ncra.tifr.res.in, chengalur@ncra.tifr.res.in
5. Project Name : %latex% The Atomic Hydrogen Content of Galaxies at $z \\\\\\\\approx 0.75-1.45$
6. Project Code : 37_063
7. Operator(s) : Sachin, Shriram
8. Command File : /odisk/gtac/cmd/nissim/deep2_21.cmd
9. LTA File : /gsbifrdata1/17mar/37_063_17mar2020.lta, /gwbifrdata1/17mar/37_063_17mar2020_1.34s_gwb.lta, /gwbifrdata2/17mar/37_063_17mar2020_10s_gwb.lta
10. LogFlag File : /odisk/online1/logflags/37_063.FLAGS.26

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 : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 591 591 540 540 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C03 : : Taken for maintenance.
C14 : NO fringe for 130 pole in GWB
33. Note for Backup :

34. Start and End Time of Obs.(IST): 17 Mar 2020 00:00:00 - 17 Mar 2020 07:05:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :
23:50 : Started settings.
------------GSB Setting---------
GSB_MODE 	: Realtime
GSB_LTA 	: 8
GSB_ACQ_BW 	: 33.333333
GSB_FINAL_BW 	: 0
GSB_EDGE_FRQ 	: 0
GSB_CHAN_MAX 	: 512
GSB_CHAN_NUM 	: 0:511:1
GSB_STOKES 	: Total_Intensity
GSB_CNTRL 	: ONLINE
GSB_FSTOP 	: ON
GSB_BEAM_1 	: OFF
GSB_BEAM_2 	: OFF
GSB_GAINEQ 	: ON
GSB_BB_LO 	: 149:156
GSB_HOSTS 	: gsbm1_shivneri
undefined 	: OFF
undefined 	: 306
--------------------------------

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 2
GPU_ACQ_BW  	: 400.0000
GPU_FINAL_BW  	: 400.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 530  530
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 37_063
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: IA
GPU_BM_INT  	: 16
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

GWB-GAC : All antennas except C03 and C14.

00:00 : Started command file.
      \'/odisk/online1/logflags/37_063.FLAGS.26\'
06:45 : Command file stopped. 
06:55 : Started scan on 3c286.
07:05 : scan stopped and observation session over.