GTAC Observation Log

1. Date : 06/07/2018
2. Observation Sr. No. : 10395
3. Observer : Ruta Kale, Daniele Dallacasa, Tiziana Venturi, Rossella Cassano, Gianfranco Brunetti, Julius MaxFerdinand Donnert
4. Observer's Email : ruta@ncra.tifr.res.in, daniele.dallacasa@unibo.it, tventuri@ira.inaf.it, rcassano@ira.inaf.it, brunetti@ira.inaf.it, donnert@ira.inaf.it
5. Project Name : A deep uGMRT view of the prototypical ultra-steep spectrum  radio halo in Abell 521: investigating the global spectral properties on local  scales
6. Project Code : 34_036
7. Operator(s) : Navnath, Nilesh, Pramod, Sachin, Surender
8. Command File : /odisk/gtac/cmd/34_036/34_036_06jul.cmd
9. LTA File : /gsbifrdata1/06jul/34_036_06july2018_325.lta, /gwbifrdata/06jul/34_036_06jul2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/34_036.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 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) :
C09 : : Mechanical work.
E03 : : RFI. Old call-sheet reference 2018.1061 (Pending).
C05 : : RFI lines.
W05 : : RFI. Old call-sheet reference 2018.1071 (Pending).
C01 : : Taken for Painting.
W06 : : Taken for Mech Work.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 06 Jul 2018 05:30:00 - 06 Jul 2018 16:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :24

37. Comments (During Observations) :
------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 34_036
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  	: 64 inputs.
GPU_FILRFI  	: RFI Filtering ON.
GPU_BEAM_S  	: OFF
--------------------------------


05:30 : Started setup.
      : Power eq done at 80counts.
      : RFI filter Settings applied.

External Median = 0
Threshold value =3
Replacement value = 0
Filtering option selected = digital noise
Filtering applied to both the channels.


05:45 : Setup done. Track change from outer to inner.
05:52 : Started scan on 3C48 for 12 min.

06:05 : Started cmd file.

 /odisk/gtac/cmd/34_036/34_036_06jul.cmd

06:10 : cmd file stopped.  RFI counter Script failed.
06:15 : updated script path and restarted cmd file.
         
 /odisk/gtac/cmd/34_036/34_036_06jul.cmd

09:36 : C01 Taken for painting.
09:55 : W06 Taken for Mech Work.
08:54 - 12:16: C05 Taken for FE work.

15:03 : Source set below horizon, stopped scan.
15:05 : Started scan on phase cal 0521+166 for ~ 7 min.
15:14 : Started scan on 3C147 for ~ 21 min.
15:35 : Stopped scan and observation closed.