GTAC Observation Log

1. Date : 16/08/2020
2. Observation Sr. No. : 12314
3. Observer : Virginia Cuciti, Rossella Cassano, Ruta Kale, Andrea Botteon, Francesco de Gasperin, Ignesti, Marcus Bruggen, Gianfranco Brunetti, Reinout Johannes vanWeeren, Shimwell
4. Observer\'s Email : vcuciti@hs.uni-hamburg.de, rcassano@ira.inaf.it, ruta@ncra.tifr.res.in, botteon@strw.leidenuniv.nl, fdg@hs.uni-hamburg.de, alessandro.ignesti2@unibo.it, mbrueggen@hs.uni-hamburg.de, brunetti@ira.inaf.it, rvweeren@strw.leidenuniv.nl, shimwell@strw.leidenuniv.nl
5. Project Name : A systematic spectral study of diffuse radio emission in galaxy clusters with the uGMRT and LOFAR
6. Project Code : 38_025
7. Operator(s) : Deepak, Sachin
8. Command File : /odisk/gtac/cmd/38_025/aug2020/16aug.cmd
9. LTA File : /gsbifrdata1/16aug/38_025_16aug2020_gsb.lta, /gwbifrdata2/16aug/38_025_16aug2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_025.FLAGS.6

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 : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work
C00 : Feed problem.
C14 : Feed problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 16 Aug 2020 10:00:00 - 16 Aug 2020 15:03:00

35. ONLINE Machine : Shivneri

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  	: 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  	: 38_025
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  	: 16
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: Voltage Detection
GPU_BEAM_S  	: OFF
--------------------------------

10:11 : Completed setup and started command file.
10:21 : C14 started working.
11:30 : C00 started working.
12:19 : Electrical power failure. Stopped command file.
12:45 : Power restored, restarted command file,
antennas are on GENSET. C01,C13, W01, W06 started giving problem.
13:19 : Electrical power switched on MSEDCL.
13:49 : Restarted command file after antenna setup.
C13,W01 started working.
14:09 : C01, C13, W01, W06 started working.
14:52 : Stopped command file and started scan on 3C286 for 8 mins.
15:02 : Stopped scan on 3C286 and closed observation session.