GTAC Observation Log 

1. Date : 28/10/2011
2. Observation Sr. No. : 5588
3. Observer : Sandeep Sirothia
4. Observer's Email : sirothia@ncra.tifr.res.in
5. Project Name : Searching for Radio Halos in the MACS-Planck X-ray luminous cluster sample
6. Project Code : 21_066
7. Operator(s) : Navanath,
	Rupsingh,
	
8. Command File : /odisk/gtac/cmd/sirothia/21_066_28oct2011.cmd
9. LTA File : /gsbifrdata/28oct/21_066_28oct2011.lta,
	/gsbifrdata/28oct/21_066_28oct2011.lta.1,
	/gsbifrdata/28oct/21_066_28oct2011.lta.2,
	/gsbifrdata/28oct/21_066_28oct2011.lta.3
10. LogFlag File : /odisk/online1/logflags/21_066.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1341 MHz ,RF2 : 1341 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1290 MHz, ILO2 : 1290 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) : 1341 1341 1290 1290 51 51.
25. Integration Time : 16.106 Sec.
26. No of Antennas Working(Fringing) :29

27. Name of Non-Working Antennas (with reason for each) :
C09 130 Pol not fringing.

28. Note for Backup :--

29. Start and End Time of Obs.(IST): 13:00 - 18:00

30. ONLINE Machine : Lenyadri

31. Comments (During Observations) :
2s data files :_

/gsbifrdata1/28oct/21_066_28oct2011.lta,
/gsbifrdata1/28oct/21_066_28oct2011.lta.1,
/gsbifrdata1/28oct/21_066_28oct2011.lta.2,
/gsbifrdata1/28oct/21_066_28oct2011.lta.3
Started setup for project 21_066
----------------------------------------------------------------------
20:25:23 : Started scan on 3C48 for ~ 11.8111 min.
-----------------------------------------------------------------------
Note : Due to Buffer Loss problem swtiched to Total intesity intead of full 
       polar mode.
-----------------------------------------------------------------------
22:47:25 : Started scan on 3C48 for ~ 15.3008 min.
         : Started cmd file.
23:08:32 : Started scan on 0432+416 for ~ 3.75809 min.
-----------------------------------------------------------------------
Note : Since Subar controller was hung,Restarted user4 and cmd file.
-----------------------------------------------------------------------
23:39:34 : Started scan on J0301+3550 for ~ 45.9024 min.
00:27:10 : Started scan on 0432+416 for ~ 3.75809 min.
00:34:31 : Started scan on J0301+3550 for ~ 45.9024 min.
01:22:35 : Started scan on 0432+416 for ~ 3.75809 min.
01:29:48 : Started scan on J0301+3550 for ~ 45.9024 min.
02:18:12 : Started scan on 0432+416 for ~ 2.14748 min.
-----------------------------------------------------------------------
02:15 : Astro8 Machine Hang, GSB GUI crashed.
      : cmd file stopped 
        Restarted GSB chain.
-----------------------------------------------------------------------
02:35:25 : Started scan on 0432+416 for ~ 3.75809 min.
02:42:28 : Started scan on J0301+3550 for ~ 18.2536 min.
06:40 : LO setting tried ...C03 back and started fringing.
06:41 : Started scan on 3C147 for 20 min.
07:01 : Observing session finished.