GTAC Observation Log

1. Date : 28/06/2018
2. Observation Sr. No. : 10373
3. Observer : Nayana AJ, Poonam Chandra
4. Observer's Email : nayan89deva@gmail.com, poonam@ncra.tifr.res.in
5. Project Name : Tracing the footprints of various core-collapse supernovae environments at low-frequencies.
6. Project Code : 34_084
7. Operator(s) : Surender
8. Command File : /odisk/gtac/cmd/nayana/34_084/28jun/obs.txt
9. LTA File : /gsbifrdata1/28jun/34_084_28jun2018_gsb.lta, /gwbifrdata2/28jun/34_084_28jun2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/34_084.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :23

32. Name of Non-Working Antennas (with reason for each) :
C13 : : ABC time-out.
C11,C12,E02 : Feed Jammed.
W03 : : Taken for Mech work.
W06 : : Taken for Mech work.
W04 : : MCM-14 time-out.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 28 Jun 2018 01:00:00 - 28 Jun 2018 04:00:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
01:00 : Started set-up.
------------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  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1450  1450
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 34_084
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 128
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: For 32 inputs
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
01:16:06 : Started command file.
           "/odisk/gtac/cmd/nayana/34_084/28jun/obs.txt"
01:53:00 : C11,C12 & E02 started working.
03:38:00 : Stopped command file due to source below horizon.
03:45:00 : Started scan on 3C48.
04:00:00 : Stopped scan and observing session over.