GTAC Observation Log 

1. Date : 20/05/2010
2. Observation Sr. No. : 4873
3. Observer : Rahul Basu
4. Observer's Email : rbasu@ncra.tifr.res.in,rathreya@iiserpune.ac.in,somak@star.sr.bham.ac.uk,somakrc@gmail.com,
5. Project Name : The power and particle content of extragalactic radio sources- a comprehensive survey (Part II)
6. Project Code : 18_015
7. Operator(s) : Deepak,
	Nilesh,
	Sachin,
	
8. Command File : /odisk/gtac/cmd/rahul/18_015/20may10.cmd
9. LTA File : /rawdata/20may/18_015_20may2010.lta,
	/rawdata1/20may/18_015_20may2010.ltb,
	
10. GSB File : /gsbifrdata/20may/18_015_20may2010_gsb.lta,
	
11. LogFlag File : /odisk/online1/logflags/18_015.FLAGS

ANTENNA SETTINGS :

12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 614 MHz ,RF2 : 244 MHz, SA1 : 0 dB, SA2 : 14 dB
13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 680 MHz, ILO2 : 310 MHz, IVLO1 : 66 MHz, IVLO2 : 66 MHz
14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 6 MHz,ON
15. BB BW(KHz) & BB ALC : 16000 KHz, ON

CORRELATOR SETTINGS :

16. Channels : 0:127:1
17. Frequency Parameters (TPA) : 614 244 680 310 66 66 

18. Integration Time : 128 LTA ~ 16.908 Sec.
19. No of Antennas Working(Fringing) :27

20. Name of Non-Working Antennas (with reason for each) :
C01 - Time out.
C14 - Servo maintenance.
C08 - fringe fluctuations(Hardware correlator)

21. Note for Backup :--

22. Start and End Time of Obs.(IST): 20:00 - 07:16

23. ONLINE Machine : Shivneri

24. Correlator Mode : IndianPolar

25. Comments (During Observations) :
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2s data files :
/rawdata/20may/18_015_20may2010_2s.lta,
/rawdata1/20may/18_015_20may2010_2s.ltb,
/gsbifrdata1/20may/18_015_20may2010_2s_gsb.lta,
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20:07 : Started scan on 3C286.
20:21 : Started command file.
06:49 : Stopped command file.

06:55 : Started scan on 3C48.
07:16 : Stopped scan and observing session over.


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