GTAC Observation Log 

1. Date : 2/11/2013
2. Observation Sr. No. : 6765
3. Observer : Ewan O'Sullivan,Nimisha Kantharia,Konstantinos Kolokythas,Somak Raychaudhury,Sandeep K. Sirothia,C.H. IshwaraChandra,Gopal krishna
4. Observer's Email : eosullivan@cfa.harvard.edu,ngk@ncra.tifr.res.in,kkolok@star.sr.bham.ac.uk,somak@star.sr.bham.ac.uk,sirothia@ncra.tifr.res.in,ishwar@ncra.tifr.res.in,krishna@ncra.tifr.res.in
5. Project Name : The origin of the HI trail and ultra-steep radio structure in the NGC 5903/NGC 5898 group
6. Project Code : 25_006
7. Operator(s) : Deepak,Navanath,Pramod,Surender
8. Command File : /odisk/gtac/cmd/ngk/25_006/ngc5903-2nov13.cmd
9. LTA File : /gsbifrdata/02nov/25_006_02nov2013.lta,
10. LogFlag File : /odisk/online1/logflags/25_006.FLAGS.1,

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1402 MHz ,RF2 : 1402 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1340 MHz, ILO2 : 1340 MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON

GSB SETTINGS :

14. GSB Mode : Realtime 
15. GSB LTA : 8 
16. GSB CTRL : ONLINE 
17. GSB Fstop : ON 
18. GAIN EQ : ON 
19. Stokes : TotIntensity
20. Beam - 1 : OFF
21. Beam - 2 : OFF
22. ACQ BW : 16.67 MHz
23. Final BW : 16.666666 MHz; Step # 0
24. Maximum Channels : 512 
25. Channel Numbers : 0:511:1 
26. LO5 -1  : 138.00 
27. LO5 -2  : 167.00 

28. Frequency Parameters (TPA) : 1402 1402 1340 1340 62 62.
29. Integration Time : 16.106112 Sec.
30. No of Antennas Working(Fringing) at the begining :28

31. Name of Non-Working Antennas (with reason for each) :
C04 : Low fringe 130 pol.
W04 : Taken for Painting.
32. Note for Backup :

33. Start and End Time of Obs.(IST): 08:50 - 17:00

34. ONLINE Machine : Lenyadri

35. No of Antennas Working(Fringing) at the end :28

36. Comments (During Observations) :
08:50 : Started set-up.
08:59 : Started scan on 3C286 for 15min.
09:15 : Started command file.
11:39 : C08 Return link time-out.
14:34 : C08 Started working working.
15:51 : Started scan on 3C286 for ~ 15.0324 min.
17:00 : Stopped command file and observation session is over.