GTAC Observation Log

1. Date : 28/06/2021
2. Observation Sr. No. : 13245
3. Observer : Vijay Mahatma, Luigina Feretti, Huib T Intema, Emanuela Orru
4. Observer\'s Email : v.mahatma93@gmail.com, l.feretti@ira.inaf.it, intema@strw.leidenuniv.nl, orru@astron.nl
5. Project Name : Determining the jet lifetimes in double-double radio galaxies
6. Project Code : 40_064
7. Operator(s) : Manisha, Nilesh, Pramod, Shilpa
8. Command File : /data1/gtac/cmd/40_064/40_064_28jun21.py
9. LTA File : /gsbifrdata1/28jun/40_064_28jun2021_gsb.lta, /gwbifrdata2/28jun/40_064_28jun2021_gwb.lta
10. LogFlag File :      

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 : 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) : 306 306 255 255 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
S06 : FPS problem.
W03 : FPS Problem
C02 : Servo Problem

33. Note for Backup :

34. Start and End Time of Obs.(IST): 28 Jun 2021 14:00:00 - 28 Jun 2021 19:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :26

37. RFI Status :

38. Comments (During Observations) :
------------GWB Setting---------------------------------------------------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 40_064
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  	: 16
GPU_GAINEQ  	: ON
GPU_TPA  	: From online/TGC tpa
GPU_BITS  	: 8 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_ENV  	: RELEASED
--------------------------------------------------------------------------
14:00 : Started settings.
14:29 : Started scan on 3C147 for ~ 10.6479 min.

14:43 \'/data1/gtac/cmd/40_064/40_064_28jun21.py\' command file started.
15:32 : C02 started working.
17:35 : E05 fringe vanished for GWB.
18:49 : Stopped command file.

18:51 : Started scan on 3C286 for ~ 9.57419 min.
19:01 : Stopped scan and observing session over.