GTAC Observation Log

1. Date : 10/10/2020
2. Observation Sr. No. : 12505
3. Observer : Nithyanandan Thyagarajan, Nissim Kanekar, Gianni Bernardi
4. Observer\'s Email : t_nithyanandan@nrao.edu, nkanekar@ncra.tifr.res.in, giannibernardi75@gmail.com
5. Project Name : %latex% The low-frequency radio properties of quasars at  $z\\\\\\\\ge 6$
6. Project Code : 38_056
7. Operator(s) : Navnath, Pramod, Surender
8. Command File : /data1/gtac/cmd/38_056/38_056_9oct.py
9. LTA File : /gsbifrdata/09oct/38_056_09oct2020_gsb.lta, /gwbifrdata2/09oct/38_056_09oct2020_gwb.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 311 MHz ,RF2 : 311 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 260 MHz, ILO2 : 260MHz , 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) : 311 311 260 260 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.
C06 : feed jam
W04 : OFC cut for TGC.


33. Note for Backup :

34. Start and End Time of Obs.(IST): 09 Oct 2020 22:00:00 - 10 Oct 2020 08:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :27

37. RFI Status :

38. Comments (During Observations) :
GPU_FSTOP,1
GPU_PFB,0
GPU_FILRFI,0
GPU_BEAM_1,0:1
GPU_PFB_TAPS,16
GPU_CHAN_NUM,0:2047:1
GPU_BEAM_S,0
GPU_DDC,0
GPU_CNTRL,1
GPU_GAINEQ,1
GPU_EDGE_FRQ,0
GPU_BM_INT,8
GPU_BEAM_3,0:1
GPU_BEAM_2,0:1
GPU_CHAN_MAX,2048
GPU_BEAM_4,0:1
GPU_ENV,1
GPU_HOSTS,2
GPU_MODE,0
GPU_STOKES,2
GPU_TPA,0
GPU_ACQ_BW,200.0000
GPU_LTA,4
GPU_FINAL_BW,1
GPU_BITS,8

22:00:00 : Started setup
22:17:14 : Started scan on 3C48 for ~ 9.9321 min.
22:30:00 : Started cmd file

   /data1/gtac/cmd/38_056/38_056_9oct.py
07:35 : Stopped command file.
07:47 : Started scan on 3C147.
07:54 : Stopped scan and observation session is over.