GTAC Observation Log

1. Date : 09/08/2020
2. Observation Sr. No. : 12287
3. Observer : Sarrvesh SeethapuramSridhar, Cathy Horellou, Krzysztof Chyży, Julia Piotrowska, Volker Heesen, Ralf Juergen Dettmar, George Heald
4. Observer\'s Email : sarrvesh.ss@gmail.com, Cathy.Horellou@chalmers.se, krzysztof.chyzy@uj.edu.pl, inz.julia.piotrowska@student.uj.edu.pl, v.heesen@soton.ac.uk, dettmar@astro.rub.de, george.heald@csiro.au
5. Project Name : Magnetizing the universe with dwarf galaxies: a new low-frequency radio continuum perspective
6. Project Code : 38_006
7. Operator(s) : Deepak, Nilesh, Sachin
8. Command File : /odisk/gtac/cmd/38_006/obs_09aug_1.cmd, /odisk/gtac/cmd/38_006/obs_09aug_2.cmd
9. LTA File : /gwbifrdata2/09aug/38_006_09aug2020_band4_gwb.lta
10. LogFlag File : /odisk/online1/logflags/38_006.FLAGS.1, /odisk/online1/logflags/38_006.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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) : 591 591 540 540 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) :
C03 : Mechanical Work.
C14 : MCM problem, GSB No fringe.
E02 : Servo problem.
C04 : CH-2 Low fringe GWB.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 09 Aug 2020 02:00:00 - 09 Aug 2020 10:20:00

35. ONLINE Machine : Shivneri

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

37. RFI Status :

38. Comments (During Observations) :
02:00 : Started settings.

------------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  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 38_006
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  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

02:06 : Started command file with a scan on 3C48 for ~ 6 min.
           /odisk/gtac/cmd/38_006/obs_09aug_1.cmd
10:05 : Closed command file and started scan on 3C138.
10:16 : Stopped scan on 3C138 and closed command file.