GTAC Observation Log

1. Date : 17/08/2019
2. Observation Sr. No. : 11347
3. Observer : Arshia Maria Jacob, Karl M. Menten, Nirupam Roy, Sarita Vig
4. Observer's Email : ajacob@mpifr-bonn.mpg.de, kmenten@mpifr.de, roy.nirupam@gmail.com, sarita@iist.ac.in
5. Project Name : Methanol in the centers of the Milky Way and Arp 220
6. Project Code : 36_052
7. Operator(s) : Nilesh, Rupsing, Shilpa, Surender
8. Command File : /odisk/gtac/cmd/36_052/17aug19/obs.txt
9. LTA File : /gsbifrdata/17aug/36_052_17aug2019_gsb.lta, /gwbifrdata1/17aug/36_052_17aug2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/36_052.FLAGS.2

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 796 MHz ,RF2 : 796 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 745 MHz, ILO2 : 745MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 796 796 745 745 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
E04 : Fiber cut.
E05 : Fiber cut.
E06 : Fiber cut.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 17 Aug 2019 13:00:00 - 17 Aug 2019 22:15:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :27

37. Comments (During Observations) :
------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100.0000
GPU_FINAL_BW  	: 12.5000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 790  790
GPU_DDCLO4  	: 20.3000  20.3000
GPU_SB4  	: -1 -1
GCODE4  	: 36_052
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  	: 8 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------
12:45 : Started settings.
13:06 : Started scan on 3C286 for ~ 14.8982 min.

13:23 : '/odisk/gtac/cmd/36_052/17aug19/obs.txt' command file started.
-----------------------------------------------------------------------
17:10 : Stopped command file.
17:14 : Started scan on 3C286.
17:26 : Stopped scan.
17:32 : Restarted command file.
----------------------------------------------------------------------
18:27 : Track changed(outer track).
----------------------------------------------------------------------
21:11 : Stopped command file
21:15 : Started scan on 3C286.
21:27 : Stopped scan.
-----------------------------------------------------------------------
21:29 : Restarted command file
22:11 : Stopped command file and observation closed.