GTAC Observation Log

1. Date : 10/06/2019
2. Observation Sr. No. : 11149
3. Observer : Omkar Suresh Bait, Sushma Kurapati, Peter Kamphuis, Yogesh Wadadekar, Sudhanshu Barway, Pierre-Alain Duc
4. Observer's Email : omkar@ncra.tifr.res.in, sushma@ncra.tifr.res.in, peterkamphuisastronomy@gmail.com, yogesh@ncra.tifr.res.in, sudhanshu.barway@iiap.res.in, paduc@cea.fr
5. Project Name : The %H{\\\\sc i}%-rich Quenched GalaxieS (%H{\\\\sc i}%QGS) Survey using the GMRT
6. Project Code : 36_068
7. Operator(s) : Pramod, Rupsing, Surender
8. Command File : /odisk/gtac/cmd/36_068/obs.cmd
9. LTA File : /gsbifrdata1/09jun/36_068_09jun2019_gsb.lta, /gwbifrdata1/09jun/36_068_09jun2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/36_068.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , 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) : 1371 1371 1320 1320 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :30

32. Name of Non-Working Antennas (with reason for each) :

33. Note for Backup :

34. Start and End Time of Obs.(IST): 09 Jun 2019 16:00:00 - 10 Jun 2019 02:10:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 100.0000
GPU_FINAL_BW  	: 100.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1450  1450
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 36_068
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
------------------------------------------------------------------------
16:25 : Setup done(GWB dasmon frequency monitoring problem.)
16:28 : Started scan on 3C286
16:38 : Stopped scan.
16:40 : Started command file
------------------------------------------------------------------------
16:49 : W-arm power failure.
------------------------------------------------------------------------
17:28 : W-arm power resumed
------------------------------------------------------------------------
18:25 : Stopped command file and all antennas parked due to high wind.
------------------------------------------------------------------------
18:35 : Power failure C+arm antennas.
------------------------------------------------------------------------
19:15 : E06,W01,W02 and S01 ABC time out
------------------------------------------------------------------------
19:16 : C00 servo problem
------------------------------------------------------------------------
19:18 : Wind normal
------------------------------------------------------------------------
19:19 : Restarted command file
------------------------------------------------------------------------
22:25 : Stopped command file(MSEB power resumed).
------------------------------------------------------------------------
22:35 : Few antennas setup done
------------------------------------------------------------------------
22:38 : Restarted command file.
------------------------------------------------------------------------
23:28 : W01 started working.
01:51 : Stopped command file.
01:52 : Started scan on 3C286.
02:02 : Stopped scan and observation session is over.