GTAC Observation Log

1. Date : 31/08/2020
2. Observation Sr. No. : 12364
3. Observer : Resmi Lekshmi, Kuntal Misra, Yogesh Maan, Jason WilliamThomas Hessels, Ankur Ghosh, Raya Dastidar
4. Observer\'s Email : l.resmi@gmail.com, kuntal@aries.res.in, maan@astron.nl, hessels@astron.nl, ankur@aries.res.in, rdastidr@gmail.com
5. Project Name : Understanding the connection between fast radio bursts and superluminous supernovae.
6. Project Code : 38_017
7. Operator(s) : Rupsing, Sachin, Shriram
8. Command File : /odisk/gtac/cmd/38_017/obs.cmd
9. LTA File : /gsbifrdata1/31aug/38_017_31aug2020_gsb.lta, /gwbifrdata2/31aug/38_017_31aug2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_017.FLAGS.1, /odisk/online1/logflags/38_017.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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) : 1409 1409 1460 1460 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
S03 : Maintenance.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 31 Aug 2020 12:55:00 - 31 Aug 2020 17:01:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :28

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 400.0000
GPU_FINAL_BW  	: 400.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 38_017
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: PA
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 32
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------------------------------------------------
# GWB GAC configuration is as follows : 
# BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=19
# BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 W01 W02 Total=19
--------------------------------------------------------------------------
12:40 : started settings.
12:55 : started scan on 3C286. ~10 min
13:16 : Phasing was weak on 1557-000. Took phasing on 3c286
--------------------------------------------------------------------------
        Changed phase cal to 1445+099 after discussing with observer.
13:36 : Phasing done on 1445+099.
--------------------------------------------------------------------------
12:38 : Started command file,
       \'/odisk/gtac/cmd/38_017/obs.cmd\'
--------------------------------------------------------------------------
13:48 : NAVSTAR 1.9 satellite RFI observed
13:51 : RFI vanished.
--------------------------------------------------------------------------
16:40 : Stopped command file and started scan on phase cal.
16:51 : Started scan on flux cal.
17:01 : Stopped scan on flux cal and closed observation session.