GTAC Observation Log

1. Date : 11/05/2019
2. Observation Sr. No. : 11062
3. Observer : Kshitija Kelkar, Narendranath Patra, Dwarakanath K.S.
4. Observer's Email : kshitija@rri.res.in, narendra@ncra.tifr.res.in, dwaraka@rri.res.in
5. Project Name : Hi and continuum survey of spirals in the merging cluster A3376
6. Project Code : 36_098
7. Operator(s) : Nilesh, Shilpa
8. Command File : /odisk/gtac/cmd/narendra/36_098/11may/a3376.cmd
9. LTA File : /gsbifrdata1/11may/36_098_11may2019_gsb.lta, /gwbifrdata2/11may/36_098_11may2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/36_098.FLAGS.6

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1341 MHz ,RF2 : 1341 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1290 MHz, ILO2 : 1290MHz , 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 : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1341 1341 1290 1290 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
E04 : MCM-10 and 14 timeout.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 11 May 2019 13:00:00 - 11 May 2019 19:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :29

37. Comments (During Observations) :

------------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  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 1460  1460
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 36_098
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
--------------------------------
13:00 : Started settings.
13:20 : Started scan on 3C147 for ~ 12.348 min.
13:39 : '/odisk/gtac/cmd/narendra/36_098/11may/a3376.cmd' command file started.

15:50 : E04 Started working, after reset.

16:50 : Most of the antennas started moving away from source while scan on 
        source was running from command file. Stopped scan. Antennas not 
        listening to the online servo commands, tried servo reset.
        W01,W02,W03,W04,W05,W06,S01,S02,S03,S04,S06,C08,C09,C11,C12,C14

17:01 : Restarted scan on source.

17:24:48 : Started scan on 0538-440 for ~ 4.83183 min.
17:33:06 : Started scan on A3376S1 for ~ 25.6356 min.

17:46 : Antenna E06 - ABC time out.
18:02:18 : Started scan on A3376S2 for ~ 20.6695 min.
18:23 : Sources set below horizon, stopped command file.
18:27:07 : Started scan on 3C147 for ~ 29.9305 min.
18:57 : Stopped scan and observations closed.