GTAC Observation Log

1. Date : 05/01/2021
2. Observation Sr. No. : 12770
3. Observer : Poonam Chandra, Ayan Biswas, Sonalika Purkayastha, Nayana AJ, Roger Chevalier, Keiichi Maeda, Peter Brown, Alak Ray
4. Observer\'s Email : poonam@ncra.tifr.res.in, ayan.scc2@gmail.com, spurkayastha@ncra.tifr.res.in, nayan89deva@gmail.com, rac5x@virginia.edu, keiichi.maeda@kusastro.kyoto-u.ac.jp, grbpeter@yahoo.com, akr@tifr.res.in
5. Project Name : Understanding young supernovae interacting with their progenitor winds with the aid of low frequency observations
6. Project Code : 39_078
7. Operator(s) : Rupsing, Sachin
8. Command File : /data1/gtac/cmd/poonam/39_078/39_078_5jan21.py
9. LTA File : /gsbifrdata/05jan/39_078_05jan2021_gsb.lta, /gwbifrdata2/05jan/39_078_05jan2021_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1399 MHz ,RF2 : 1399 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1450 MHz, ILO2 : 1450MHz , 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
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) : 1399 1399 1450 1450 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C14 : FPS problem.
E02 : Antenna structure full Painting.
S03 : Structural repairing
33. Note for Backup :

34. Start and End Time of Obs.(IST): 05 Jan 2021 15:00:00 - 05 Jan 2021 17:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
GPU_PFB,0
GPU_PFB_TAPS,16
GPU_CHAN_NUM,0:2047:1
GPU_BEAM_S,0
GPU_EDGE_FRQ,0
GPU_BEAM_3,0:1
GPU_BEAM_2,0:1
GPU_BEAM_1,0:1
GPU_BEAM_4,0:1
GPU_FINAL_BW,1
GPU_VLT_BIT,8
GPU_FSTOP,1
GPU_FILRFI,0
GPU_BM_INT,8
GPU_DDC,0
GPU_CNTRL,1
GPU_GAINEQ,1
GPU_LTA,4
GPU_CHAN_MAX,2048
GPU_ENV,1
GPU_HOSTS,2
GPU_MODE,0
GPU_STOKES,2
GPU_TPA,0
GPU_ACQ_BW,400.0000
----------------------------------------------------------------------
GSB_CHAN_NUM,0:255:1
GSB_ACQ_BW,33.333333
GSB_FINAL_BW,0
GSB_ENV,1
GSB_STOKES,2
GSB_CNTRL,1
GSB_BEAM_1,0:1
GSB_BEAM_2,0:1
GSB_GAINEQ,1
GSB_BB_LO,149000000:156000000
GSB_LTA,8
GSB_HOSTS,0
GSB_FSTOP,1
GSB_EDGE_FRQ,0
GSB_CD_MODE,0
GSB_CHAN_MAX,256
------------------------------------------------------------------------
15:30:00 : Setup done.
15:35:00 : Started scan on 3C48 for ~ 9.30575 min.
17:44:00 : Stopped scan and started command file.
17:00:00 : Stopped command file and observation closed