GTAC Observation Log

1. Date : 05/11/2019
2. Observation Sr. No. : 11561
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) : Nilesh
8. Command File : /odisk/gtac/cmd/nissim/deep2_41.cmd
9. LTA File : /gsbifrdata/04nov/37_063_04nov2019_gsb.lta, /gwbifrdata1/04nov/37_063_04nov2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/37_063.FLAGS.10

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
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : PA
22. Beam - 2 : PA
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 : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C04 : Mechanical work.
W02 : FEED JAM.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 04 Nov 2019 22:00:00 - 05 Nov 2019 05:10:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
22:00 : Started settings.

------------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  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 470  470
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: SUBA4
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 online tpa
GPU_BITS  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

22:18:47 : Started scan on 3C48 for ~ 7.91884 min.
22:32:27 : Started scan on 0204+152 for ~ 5.50292 min.
22:41:24 : Started scan on DEEP2_41 for ~ 5.77136 min.

GWB TPA Entered wrong.(Manual Error: Nilesh).

22:47 : stopped command file

22:59:31 : Started scan on 3C48 for ~ 14.3613 min.

23:24:07 : Started command file.
/odisk/gtac/cmd/nissim/deep2_41.cmd
Note : W01,C11,C14,S01,C01,E03 : Intermittent tracking problem in TGC.
02:50:16 : Started scan on 3C48 for ~ 9.52945 min.
03:05:15 : Restarted command file.
04:46:45 : Started scan on 0204+152 for ~ 8.72414 min.
05:00:56 : Started scan on 3C147.
05:10:00 : Stopped scan and observing session over.