GTAC Observation Log 

1. Date : 21/3/2014
2. Observation Sr. No. : 7024
3. Observer : Ewan O'Sullivan,Giacintucci Simona,Somak Raychaudhury,Nimisha Kantharia,Jan M. Vrtilek,Laurence Paul David,Konstantinos Kolokythas
4. Observer's Email : eosullivan@cfa.harvard.edu,simona@astro.umd.edu,somak@star.sr.bham.ac.uk,ngk@ncra.tifr.res.in,jvrtilek@cfa.harvard.edu,ldavid@head.cfa.harvard.edu,kkolok@star.sr.bham.ac.uk
5. Project Name : CLoGS: The Complete Local-volume Groups Sample - part 5
6. Project Code : 25_004
7. Operator(s) : Deepak,Navanath,Pramod,Shilpa,
8. Command File : /odisk/gtac/cmd/ngk/25_004/ngc4261_21mar.cmd
9. LTA File : /gsbifrdata/21mar/25_004_21mar2014.lta,
10. LogFlag File : /odisk/online1/logflags/25_004.FLAGS.2,

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 253 MHz, SA1 : 0 dB, SA2 : 14 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 304 MHz , 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, 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 : 33.33 MHz
23. Final BW : 33.333333 MHz; Step # 0
24. Maximum Channels : 256 
25. Channel Numbers : 0:255:1 
26. LO5 -1  : 149.00 
27. LO5 -2  : 156.00 

28. Frequency Parameters (TPA) : 629 253 680 304 51 51.
29. Integration Time : 16.106112 Sec.
30. No of Antennas Working(Fringing) at the begining :29

31. Name of Non-Working Antennas (with reason for each) :
C10 :@ 235 Mhz No feed.

32. Note for Backup :

33. Start and End Time of Obs.(IST): 22:00 - 06:12

34. ONLINE Machine : Lenyadri

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

36. Comments (During Observations) :
22:00 : Started set-up.
22:03 : Started scan on 3C147. 
      : Note : flux data is being affected by scintillation.
22:33 : Restarted scan on 3C286 for 10min.

22:50 : '/odisk/gtac/cmd/ngk/25_004/ngc4261_21mar.cmd' command file started.
04:03 : Scintillation vanished.
04:42 : Phase cal 1119-030 set, so phase cal changed(1242-047).

05:54 : Stopped command file.
05:57 : Started scan on 3C286.
06:12 : Stopped scan and observing session over.