GTAC Observation Log

1. Date : 19/01/2021
2. Observation Sr. No. : 12816
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) : Manisha, Sachin
8. Command File : /data1/gtac/cmd/nissim/b.py 
9. LTA File : /gsbifrdata/19jan/38_056_19jan2021_gsb.lta, /gwbifrdata1/19jan/38_056_19jan2021_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/TGC
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 : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

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


33. Note for Backup :

34. Start and End Time of Obs.(IST): 19 Jan 2021 00:00:00 - 19 Jan 2021 08:00:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :29

37. RFI Status :

38. Comments (During Observations) :
GPU_FSTOP,1
GPU_PFB,0
GPU_FILRFI,0
GPU_CNTRL,1
GPU_PFB_TAPS,16
GPU_CHAN_NUM,0:2047:1
GPU_BEAM_S,0
GPU_DDC,0
GPU_GAINEQ,1
GPU_EDGE_FRQ,0
GPU_BM_INT,16
GPU_BEAM_3,0:1
GPU_BEAM_2,0:1
GPU_BEAM_1,0:1
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_VLT_BIT,8
GPU_LTA,4
GPU_BEAM_BIT,16
GPU_FINAL_BW,1
GPU_ACQ_BW,200.0000
GPU_BITS,8

23:54 : Started scan on 3C147.
Scan #1 is bad it was on phase cal but it took name in lta file as 3C147.
00:45 : Started command file.
08:00 : Scan # 36 bad.
08:02 : stopped das & observation session.