GTAC Observation Log 

1. Date : 26/3/2013
2. Observation Sr. No. : 6439
3. Observer : Sandip Sirothia
4. Observer's Email : sirothia@ncra.tifr.res.in
5. Project Name : Episodic Radio AGN Activity in the Spiderweb Galaxy
6. Project Code : 23_012
7. Operator(s) : Deepak,
	Navanath,
	
8. Command File : /odisk/gtac/cmd/sirothia/23_012_20130326.cmd
9. LTA File : /gsbifrdata/26mar/23_012_26mar2013_16s.lta,
	/gsbifrdata1/26mar/23_012_26mar2013_2s.lta
10. LogFlag File : /odisk/online1/logflags/23_012.FLAGS.2

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540 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, 32 MHz,ON

GSB SETTINGS :

14. GSB Mode : RealTime 
15. GSB LTA : 8 
16. GAIN EQ : ON 
17. Stokes : Total_Intensity
18. Beam - 1 : IA
19. Beam - 2 : PA
20. ACQ BW : 32 MHz
21. Maximum Channels : 256 
22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000
23. Final Bandwidth (MHz): OFF MHz; Step # 0

24. Frequency Parameters (TPA) : 591 591 540 540 51 51.
25. Integration Time : 2.013 Sec.
26. No of Antennas Working(Fringing) :29

27. Name of Non-Working Antennas (with reason for each) :
W02 : BLDC work.

Some scans on phase cal. are showing scintillations.
28. Note for Backup :--

29. Start and End Time of Obs.(IST): 20:00 - 03:00

30. ONLINE Machine : Lenyadri

31. Comments (During Observations) :
20:00 : Started set up for 610MHz.
20:06 : Started scan on 3C147.
20:28 : Stopped scan on 3C147.
20:37 : Stopped scan on J1238+16 and started command file.
        
02:35 : Command file stopped.
02:42 : Started scan on 3C286.
03:00 : Observation stopped.