GTAC Observation Log 

1. Date : 03/3/2013
2. Observation Sr. No. : 6406
3. Observer : Ruta Kale, T. Venturi
4. Observer's Email : rkale@ira.inaf.it,ruta.kale@gmail.com,tventuri@ira.inaf.it
5. Project Name : Probing the origin of cluster radio halos with a study of their integrated spectra
6. Project Code : 23_023
7. Operator(s) : Deepak,
	Pramod,
	Rupsingh,
	Sachin,
	Shilpa,
	Surender
8. Command File : /odisk/gtac/cmd/ruta/23_023/a545-3jan13.cmd
9. LTA File : /gsbifrdata/03mar/23_023_03mar2013.lta
10. LogFlag File : /odisk/online1/logflags/23_023.FLAGS.3

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255 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 : OFF
19. Beam - 2 : OFF
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) : 306 306 255 255 51 51.
25. Integration Time : 16.106 Sec.
26. No of Antennas Working(Fringing) :26

27. Name of Non-Working Antennas (with reason for each) :
C04 : Servo motor changing and counter weight rectification.
W02 : BLDC work.
C06 : For painting.
C12 : For painiting.
28. Note for Backup :--

29. Start and End Time of Obs.(IST): 14:00 - 00:00

30. ONLINE Machine : Lenyadri

31. Comments (During Observations) :
14:00 : Started settings.
14:18 : Started scan on 3C48.
14:46 : Stopped scan.
15:03 : Started command file.
18:28 : C06,C12 released painting antennas for observation.

23:15 : Phase cal. is set.
23:36 : Command file stopped.
23:45 : Started scan on 3C286 for 15mins.
24:00 : Observation stopped.