GTAC Observation Log

1. Date : 26/02/2024
2. Observation Sr. No. : 16430
3. Observer : SALMOLI GHOSH, Preeti Kharb
4. Observer\'s Email : salmoli@ncra.tifr.res.in, preeti.kharb@gmail.com
5. Project Name : Obtaining the First Band-5 uGMRT Polarization Data of a Seyfert\\\\+LINER Sample
6. Project Code : 45_086
7. Operator(s) : Navnath, Pramod, Rupsing, Sachin, Shilpa
8. Command File : /data1/gtac/cmd/45_086/45_086_26Feb2024_1200_cmd.py
9. LTA File : /gwbifrdata/26feb/45_086_26feb2024_b5_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE/TGC
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Full_Stokes
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) : 1409 1409 1460 1460 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C02 : Warranty period touch up painting work
C09 : preventive maintenance of feed drive system
S02 : Inner Dish (Inner octagon)Modification work.
W03 : Callsheet work:BAD polarization isolation @ band-4


33. Note for Backup :

34. Start and End Time of Obs.(IST): 26 Feb 2024 12:00:00 - 26 Feb 2024 22:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :29

37. RFI Status :

38. Comments (During Observations) :
------------GWB Setting---------
GPU_MODE        : Realtime
GPU_LTA         : 4
GPU_ACQ_BW      : 400.0000
GPU_FINAL_BW    : 400
GPU_EDGE_FRQ    : 0
GPU_CHAN_MAX    : 2048
GPU_CHAN_NUM    : 0:2047:1
GPU_STOKES      : Full_Stokes
GPU_SIDEBAND    : 1 1
GPU_RF4         : 1460 1460
GPU_DDCLO4      : 0.0000  0.0000
GPU_SB4         : 1 1
GCODE4          : 45_086
GPU_CNTRL       : ONLINE/TGC
GPU_FSTOP       : ON
GPU_BEAM_1      : OFF
GPU_BEAM_2      : OFF
GPU_BEAM_3      : OFF
GPU_BEAM_4      : OFF
GPU_BM_INT      : 8
GPU_GAINEQ      : ON
GPU_TPA         : From online/TGC tpa
GPU_BITS        : 4 Bits
GPU_FILRFI      : RFI Filterring OFF
GPU_BEAM_S      : OFF
GPU_PFB         : ON
GPU_PFB_TAPS    : 4
GPU_BEAM_BIT    : 16
GPU_VLT_BIT     : 8
GPU_WALSH       : ON
GPU_ENV         : RELEASED
--------------------------------
Walsh Status:-
--------------------------------
Mon Feb 26 12:09:16 2024 : Walsh Enabled: C01 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 E05 E06 S01 S03 S04 S06 W01 W02 W04 W05
Mon Feb 26 12:09:16 2024 : Walsh Disabled: C00 C02 C03 C04 C09 E04 S02 W03 W06
      Result[3]: \'C01,C05,C06,C08,C10,C11,C12,C13,C14,E02,E03,E05,E06,S01,S03,S04,S06,W01,W02,W04,W05\'
-----------------------------------------------------------------------
12:00:00 : Started setup.
12:16:45 : Started scan on 3C48 for ~ 5.72662 min.
12:21:00 : scan stopped.
         : Change of Track from outer to inner.
12:35:00 : Started cmd file.
             /data1/gtac/cmd/45_086/45_086_26Feb2024_1200_cmd.py
------------------------------------------------------------------------
15:00 : W04 FECB disconnected.
------------------------------------------------------------------------
16:30 : C09 released for observation.
------------------------------------------------------------------------
16:30 : S02 released for observation.
------------------------------------------------------------------------
19:30 : C02 released for observation.
------------------------------------------------------------------------
19:30 : W04 started working.
------------------------------------------------------------------------
20:21 : C13 servo time out.
------------------------------------------------------------------------
21:22 : Scintillation going on(from 21:22 to 22:00)
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22:00 : Stopped command file and observation over.