GTAC Observation Log

1. Date : 25/09/2020
2. Observation Sr. No. : 12456
3. Observer : Aditya Chowdhury, Nissim Kanekar, Jayaram Narayanan Chengalur
4. Observer\'s Email : chowdhury@ncra.tifr.res.in, nkanekar@ncra.tifr.res.in, chengalur@ncra.tifr.res.in
5. Project Name : %latex% The Atomic Hydrogen Content of Galaxies at $z \\\\\\\\approx 0.74-1.45$
6. Project Code : 38_033
7. Operator(s) : Nilesh, Shilpa, Shriram
8. Command File : /data1/gtac/cmd/38_033/new.py
9. LTA File : /gsbifrdata1/24sep/38_033_24sep2020_8s_gsb.lta, /gwbifrdata1/24sep/38_033_24sep2020_1.3s_gwb.lta, /gwbifrdata2/24sep/38_033_24sep2020_10.4s_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 : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 591 591 540 540 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C00 : FPS problem.
S04 : Maintenance.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 24 Sep 2020 22:00:00 - 25 Sep 2020 06:00:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :
21:50 : Started settings.
-------------------------------------------------------------------------
GPU_BEAM_3,0:1
GPU_BEAM_2,0:1
GSB_FSTOP,1
GSB_LTA,8
GPU_FSTOP,1
GPU_CHAN_MAX,8192
GPU_BEAM_4,1:1
GSB_EDGE_FRQ,0
GPU_FILRFI,0
GSB_CHAN_NUM,0:511:1
GPU_HOSTS,2
GSB_ACQ_BW,33.333333
GSB_GAINEQ,1
GPU_CNTRL,1
GPU_PFB_TAPS,16
GSB_ENV,1
GPU_ENV,1
GPU_CHAN_NUM,0:8191:1
GPU_PFB,0
GPU_MODE,0
GSB_HOSTS,2
GPU_STOKES,2
GSB_STOKES,2
GSB_CD_MODE,0
GPU_BM_INT,16
GPU_DDC,0
GSB_CHAN_MAX,512
GPU_TPA,0
GPU_ACQ_BW,400.0000
GSB_CNTRL,1
GSB_FINAL_BW,0
GPU_GAINEQ,1
GSB_BB_LO,149000000:156000000
GPU_BEAM_1,0:1
GSB_MODE,0
GPU_BEAM_S,0
GPU_EDGE_FRQ,0
GPU_FINAL_BW,1
GSB_BEAM_1,0:1
GPU_LTA,2
GSB_BEAM_2,0:1
BANDMASK,3
GPU_BEAM4_DATASERVER,gwbh10
CORRMASK,8
ANTENNAMASK,3fffffff
GPU_BEAM1_DATASERVER,gwbh7
GPU_IFR_DATASERVER,gwbh6
GSB_IFR_DATASERVER,gsbm4
GPU_BEAM2_DATASERVER,gwbh8
GPU_BEAM3_DATASERVER,gwbh9
GSB_BEAM1_DATASERVER,node_33
GSB_BEAM2_DATASERVER,node_34

-------------------------------------------------------------------------

# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27
# BEAM-1:175 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27
# BEAM-2:130 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27
# BEAM-2:175 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27
# BEAM-3:130 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27
# BEAM-3:175 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27
# BEAM-4:130 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27
# BEAM-4:175 :: C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 E06 S01 S02 S03 S06 W01 W02 W03 W04 W05 W06 Total=27

-------------------------------------------------------------------------

22:15 : Started command file,
       \'/data1/gtac/cmd/38_033/new.py\'
05:50 : Stopped command file.
06:00 : Started scan on 3C48 ~5 min.
06:05 : Stopped scan and observing session over.