GTAC Observation Log 

1. Date : 2/6/2013
2. Observation Sr. No. : 6527
3. Observer : Jayanta Roy
4. Observer's Email : jroy@ncra.tifr.res.in
5. Project Name : Multi-frequency follow up study of the widest profile millisecond pulsar J1536- 4948
6. Project Code : 24_020
7. Operator(s) : Deepak,
	Nilesh,
	Pramod,
	Rupsingh,
	
8. Command File : /odisk/gtac/cmd/jroy/22_020.3jun.cmd,
	/odisk/gtac/cmd/jroy/tst.3jun.1.cmd
9. LTA File : /gsbifrdata/02jun/24_020_02jun2013.lta,
	/gsbifrdata/03jun/tst0885_03jun2013.lta,
	/gsbifrdata/03jun/tst0885_03jun2013.lta.1
10. LogFlag File : /odisk/online1/logflags/24_020.FLAGS,
	/odisk/online1/logflags/TST0885.FLAGS,
	/odisk/online1/logflags/TST0885.FLAGS.4

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1041 MHz ,RF2 : 1041 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 990 MHz, ILO2 : 990 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF

GSB SETTINGS :

14. GSB Mode : RealTime 
15. GSB LTA : 8 
16. GAIN EQ : OFF 
17. Stokes : Total_Intensity
18. Beam - 1 : IA
19. Beam - 2 : PA
20. ACQ BW : 32 MHz
21. Maximum Channels : 512 
22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000
23. Final Bandwidth (MHz): OFF MHz; Step # 0

24. Frequency Parameters (TPA) : 1041 1041 990 990 51 51.
25. Integration Time : 16.106 Sec.
26. No of Antennas Working(Fringing) :27

27. Name of Non-Working Antennas (with reason for each) :
E03 : BLDC work.
W02 : Servo problem.
S01 : Low fringe @130 pole.

28. Note for Backup :--

29. Start and End Time of Obs.(IST): 22:10 - 00:00

30. ONLINE Machine : Shivneri

31. Comments (During Observations) :
22:10 : Started power eq. & phasing on 1154-350.
22:25 : Phasing & power eq. done.
22:28 : Started command file.
00:16 : Stopped command file.
00:16 : Power failure for all arms.
Rotate the feed to 325MHz and done setting of 325MHz.
02:06 : Again power failure for all arms.

E04 and E06 : ABC tine out.
E05 : Temp. high.
C09 : ABC time out.

02:45 : Phasing done on 1830-360. 
02:50 : Started scan on J1623-2631 for ~ 60.9348 min.
03:52 : Started scan on J1643-1224 for ~ 10.2005 min.
04:07 : Phasing done on 1830-360. 
04:09 : Started scan on J1853-3259 for ~ 108.179 min.
06:01 : Stopped scan on J1853-3259 and halt the GSB.

Started new GSB setting .
06:08 : Phasing done on 3C48 and started following command file.
        '/odisk/gtac/cmd/jroy/tst.3jun.1.cmd'

08:15 : Stopped observation session.