GTAC Observation Log

1. Date : 30/06/2017
2. Observation Sr. No. : 9526
3. Observer : Mooley, Dale A Frail, Subhashis Roy, Huib T Intema, Preshanth Jagannathan, Gregg Hallinan, Eric Bellm
4. Observer's Email : kunal.mooley@physics.ox.ac.uk, dfrail@nrao.edu, roy@ncra.tifr.res.in, intema@strw.leidenuniv.nl, pjaganna@nrao.edu, gh@astro.caltech.edu, ebellm@caltech.edu
5. Project Name : WATCHDOG: Watching Anomolous Transients CHange and Disappear tOwards the Galactic center
6. Project Code : 32_018
7. Operator(s) : Sachin, Surender
8. Command File : /odisk/gtac/cmd/32_018/29jun17/obs3.cmd
9. LTA File : /gsbifrdata1/29jun/32_018_29jun2017.lta, /gwbifrdata1/29jun/32_018_29jun2017_gwb.lta
10. LogFlag File : /odisk/online1/logflags/32_018.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_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Full_Stokes
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 :25

32. Name of Non-Working Antennas (with reason for each) :
C03 : : Servo Problem.
C14 : : No fringe.
W06 : : Servo Problem.
W03 : : Low fringe.
S04 : : ABC time-out.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 29 Jun 2017 20:00:00 - 30 Jun 2017 04:25:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :25

37. Comments (During Observations) :
20:00 : Started set-up.

------------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  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 32_018
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  	: ON
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 64 inputs.
GPU_FILRFI  	: RFI Filterring OFF
-----------------------------------------
20:28 : Started command file.
/odisk/gtac/cmd/32_018/29jun17/obs_29jun17.new.cmd
12:39 : Started another command file after making some changes by Kunal.
02:35 : Started another command file as per Kunal's suggestion.
03:45 : Stopped command file.
Subarray controller gave problem.
04:07:42 : Started scan on B1937 for ~ 3.62388 min.
04:16:42 : Started scan on 3C48 for ~ 4.29496 min.
04:20 : Stopped scan and closed observation session.