GTAC Observation Log

1. Date : 13/08/2020
2. Observation Sr. No. : 12302
3. Observer : Sushan Konar, Bhaswati Bhattacharyya, Jayanta Roy
4. Observer\'s Email : sushan@ncra.tifr.res.in, bhaswati.bhattacharyya78@gmail.com, jroy@ncra.tifr.res.in
5. Project Name : An investigation into the nulling pulsars
6. Project Code : 38_007
7. Operator(s) : Shriram, Surender
8. Command File : /odisk/gtac/cmd/sushan/38_007_2020-08-12.cmd
9. LTA File : /gsbifrdata1/12aug/38_007_12aug2020_gsb.lta, /gwbifrdata2/12aug/38_007_12aug2020_gwb.lta.1
10. LogFlag File : /odisk/online1/logflags/38_007.FLAGS.4

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 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): 12 Aug 2020 17:00:00 - 13 Aug 2020 00:10:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 4096
GPU_CHAN_NUM  	: 0:4095:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 38_007
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: IA
GPU_BEAM_4  	: PA
GPU_BM_INT  	: 8
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
# GWB GAC configuration is as follows : 

# BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=21
# BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=21
# BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=21
# BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=21
-------------------------------
16:40:59 : Started scan on 1154-350 for ~ 3.55677 min.
16:44:42 : Started scan on 1154-350 for ~ 6.03979 min.
16:50:56 : Started scan on 1154-350 for ~ 0.603979 min.
16:53:35 : Started scan on 1154-350 for ~ 3.15411 min.
16:57:33 : Started command file.
            /odisk/gtac/cmd/sushan/38_007_2020-08-12.cmd
17:15 : W01 got reset. Hence removed from GAC and scan restarted.
18:30 : W01 Added in GAC
----------------------------------------------------------------------
00:00 : Stopped command file and observation closed.