GTAC Observation Log

1. Date : 16/06/2020
2. Observation Sr. No. : 12120
3. Observer : Jayanta Roy, Bhaswati Bhattacharyya, Lina Levin, Ben Stappers, Paul Ray
4. Observer\'s Email : jroy@ncra.tifr.res.in, bhaswati.bhattacharyya78@gmail.com, lina.s.levin@gmail.com, Ben.Stappers@manchester.ac.uk, paul.ray@nrl.navy.mil
5. Project Name : Multi-frequency timing of millisecond pulsars discovered with the GMRT
6. Project Code : 38_045
7. Operator(s) : Deepak, Rupsing, Surender
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata1/16jun/38_045_16jun2020_gsb.lta, /gwbifrdata2/16jun/38_045_16jun2020_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_039.FLAGS.3

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
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : IA
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) : 306 306 255 255 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
C03 : : Taken for Mech Work.
C06 : : No fringe in GSB.
C11 : : FPS problem,.
C12 : : ABC time-out.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 16 Jun 2020 19:00:00 - 16 Jun 2020 21:00:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :
Note : Phasing were taking much longer time than expected.
------------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_045
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: Voltage
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: PA
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 4
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
Note : Phasing were taking much longer time than expected.
-------------------------------
19:00:00 : Started set-up.
19:17:31 : Started scan on 1154-350 for ~ 2.90805 min.
19:21:23 : Started scan on 1154-350 for ~ 2.37118 min.
19:25:00 : Started scan on J1120-3618 for ~ 35.5229 min.
20:04:31 : Started scan on 1526-138 for ~ 5.05553 min.
20:09:42 : Started scan on 1526-138 for ~ 0.984262 min.
20:12:03 : Started scan on J1646-2142 for ~ 2.63961 min.
20:16:23 : Started scan on J1646-2142 for ~ 44.1129 min.
21:00:00 : Stopped scan and observing session over.
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