GTAC Observation Log

1. Date : 25/09/2020
2. Observation Sr. No. : 12459
3. Observer : Veena V.S., Peter Schilke, Alvaro Sanchez-Monge
4. Observer\'s Email : veenagangothri@gmail.com, schilke@ph1.uni-koeln.de, sanchez@ph1.uni-koeln.de
5. Project Name : Understanding the Origin of the Unusual Molecular Bubble in the IRDC G18.88-0.09
6. Project Code : 38_071
7. Operator(s) : Nilesh
8. Command File : /data1/gtac/cmd/38_071/obs.py
9. LTA File : /gsbifrdata1/25sep/38_071_25sep2020_8s_gsb.lta, /gwbifrdata2/25sep/38_071_25sep2020_10.4s_gwb.lta
10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.3711

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 :24

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C00 : No Fringe.
C08 : No Fringe.
S02 : Low Fringe.
S04 : Maintenance.
W02 : No Fringe.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 25 Sep 2020 17:00:00 - 25 Sep 2020 21:20:00

35. ONLINE Machine : TGC

36. No of Antennas Working(Fringing) at the end :24

37. RFI Status :

38. Comments (During Observations) :
17:00 : Started settings.

------------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  	: 1024
GPU_CHAN_NUM  	: 0:1023:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: -1 -1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 37_071
GPU_CNTRL  	: ONLINE-TGC
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 4
GPU_GAINEQ  	: ON
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

17:40 : Started scan on 3C286 for ~ 12 min.
17:45 : Started command file.
          /data1/gtac/cmd/38_071/obs.py

20:56 : Stopped command file.
21:06 : Started scan on 3C48 for ~ 12 min.
21:20 : observations closed.