GTAC Observation Log

1. Date : 09/11/2020
2. Observation Sr. No. : 12558
3. Observer : Poonam Chandra, Ayan Biswas, Barnali Das
4. Observer\'s Email : poonam@ncra.tifr.res.in, ayan.scc2@gmail.com, barnali@ncra.tifr.res.in
5. Project Name : A survey of close magnetic massive binaries with the uGMRT
6. Project Code : 39_084
7. Operator(s) : Pramod, Shilpa, Shriram, Surender
8. Command File : /data1/gtac/cmd/39_084/obs.py
9. LTA File : /gsbifrdata1/08nov/39_084B_08nov2020_band4_gsb.lta, /gsbifrdata1/08nov/39_084A_08nov2020_band5_gsb.lta, /gwbifrdata1/08nov/39_084_band5_08nov2020_gwb.lta, /gwbifrdata1/08nov/39_084_band4_08nov2020_gwb.lta
10. LogFlag File :    

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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) : 591 591 540 540 51 51
30. Integration Time : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :24

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
W03 : FPS problem.
C08,C14,W01 : Feed is not rotating.
C02 : No fringe.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 08 Nov 2020 22:00:00 - 09 Nov 2020 01:11:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :
gsb_beam2_dataserver,node_34
bandmask,3
gpu_beam4_dataserver,gwbh10
GSB_LTA,8
GPU_FSTOP,1
GPU_PFB,0
GPU_FILRFI,0
GSB_CHAN_NUM,0:255:1
GSB_ACQ_BW,33.333333
GPU_BEAM_1,0:1
GSB_FINAL_BW,0
GPU_PFB_TAPS,16
GSB_ENV,1
gpu_ifr_dataserver,gwbh6
gpu_beam3_dataserver,gwbh9
GPU_CHAN_NUM,0:2047:1
GSB_HOSTS,0
GPU_BEAM_S,0
gsb_ifr_dataserver,gsbm4
GSB_STOKES,4
GPU_DDC,0
GSB_CNTRL,1
GPU_CNTRL,1
gpu_beam2_dataserver,gwbh8
GPU_GAINEQ,1
gsb_beam1_dataserver,node_33
GPU_EDGE_FRQ,0
GSB_BEAM_1,0:1
GPU_BM_INT,8
GSB_BEAM_2,0:1
GPU_BEAM_3,0:1
GPU_BEAM_2,0:1
GSB_FSTOP,1
GPU_CHAN_MAX,2048
GPU_BEAM_4,0:1
corrmask,8
GPU_ENV,1
antennamask,3fffffff
GPU_HOSTS,2
GPU_MODE,0
GPU_STOKES,4
GSB_GAINEQ,1
GSB_CD_MODE,0
GSB_CHAN_MAX,256
GPU_TPA,0
GPU_ACQ_BW,400.0000
GPU_LTA,4
GSB_BB_LO,149000000.0:156000000.0
GSB_MODE,0
GPU_FINAL_BW,1
gpu_beam1_dataserver,gwbh7
GPU_BITS,4
--------------------------------------------------------------------------
Split sub -array as follows :

# sub 3 # Band 5 # C00 C02 C04 C06 C09 C11 C13 W01 W03 W05 E02 E04 E06 S02 S04 
ante 15 7 5 3 20 4 9 11 8 14 16 17 21 23 27 29 
cp 0;defs 3;subar 3

# sub 4 # Band 4 # C01 C03 C05 C08 C10 C12 C14 W02 W04 W06 E03 E05 S01 S03 S06 
ante 15 6 1 19 24 12 2 10 13 15 25 18 22 26 28 30 
cp 0;defs 4;subar 4
--------------------------------------------------------------------------
22:00 : Started set up.
22:43 : Started scan on 3C48.
22:58 : Stopped scan.

23:05 : Command file started.
23:10 : Command file error.
        Scan-1 is bad.
-----------------------------------------------------------------------
23:27 : Command file restarted.  
        C02-C14 started working.
01:11 : Command file stopped and observing session over.