GTAC Observation Log 

1. Date : 16/4/2011
2. Observation Sr. No. : 5282
3. Observer : Sandeep Sirothia,Ishwar Chandra
4. Observer's Email : sirothia@ncra.tifr.res.in,ishwar@ncra.tifr.res.in
5. Project Name : The GMRT extra-galactic sky survey at 150 MHz
6. Project Code : 20_083
7. Operator(s) : Deepak,
	Rupsingh,
	Sachin,
	Santaji,
	
8. Command File : /odisk/gtac/cmd/sirothia/20_083_20110416a.cmd
9. LTA File : /gsbifrdata/16apr/20_083_16apr2011.lta,
	
10. LogFlag File : /odisk/online1/logflags/20_083.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218 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. Maximum Channels : 256 
15. Final Bandwidth (MHz): OFF MHz; Step # 0
17. IFBW (MHz) : LO5 (KHz) : 16:138000-167000
18. Stokes : Total_Intensity
19. Beam - 1 : OFF
20. Beam - 2 : OFF

21. Frequency Parameters (TPA) : 156 156 218 218 62 62.
22. Integration Time : 8 LTA ~ 16.106 Sec.
23. No of Antennas Working(Fringing) :27

24. Name of Non-Working Antennas (with reason for each) :
C05: Servo off.
E05: Fringe fluctuation.
W02: No fringe.
25. Note for Backup :--

26. Start and End Time of Obs.(IST): 16:00 - 05:45

27. ONLINE Machine : Lenyadri

28. Comments (During Observations) :
16:15 : Started scan on 3C48.
17:00 : Stopped scan.
17:01 : Started scan on J0218+4232.
17:17 : Stopped scan
17:21 : Started command file
        '/odisk/gtac/cmd/sirothia/loop1.cmd'
19:50 : Stopped command file.
19:51 : Started command file
        '/odisk/gtac/cmd/sirothia/loop2to5.cmd'
05:10 : Stopped command file after 5 loops.
05:12 : Started scan on 3C286.
05:45 : 3C286 set, stopped scan and observartion session.