GTAC Observation Log

1. Date : 24/08/2016
2. Observation Sr. No. : 8845
3. Observer : Jagadheep D Pandian, Dharam Vir Lal
4. Observer's Email : jagadheep@iist.ac.in, dharam@ncra.tifr.res.in
5. Project Name : Probing the ionized gas environment around ultracompact HII regions
6. Project Code : 30_054
7. Operator(s) : Nilesh, Rupsing
8. Command File : /odisk/gtac/cmd/30_054/23aug16/obs_23aug.cmd
9. LTA File : /gsbifrdata1/23aug/30_054_23aug2016.lta
10. LogFlag File : /odisk/online1/logflags/30_013.FLAGS.4

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1393.0345 MHz ,RF2 : 1393.0345 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1330 MHz, ILO2 : 1330MHz , IVLO1 : 63.0345 MHz, IVLO2 : 63.0345 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. GSB Host : gsbm1_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 16.666666 MHz
24. Final BW : 4 MHz; Step # 1
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 136.9655
28. LO5 -2  : 168.0345

29. Frequency Parameters (TPA) : 1393.0345 1393.0345 1330 1330 63.0345 63.0345
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
E06 : Servo problem
W03 : Servo problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 23 Aug 2016 21:00:00 - 24 Aug 2016 02:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :28

37. Comments (During Observations) :
21:13 : Started scan on 3C286.
21:20 : Stopped scan(flux cal set)
21:24 : Started command file.
00:55 : Changed phase cal to 1822-096, and restarted command file.
01:27 : Stopped command file.
01:36 : Started scan on phase cal (1923-210), 1822-096 also set.
01:49 : Started scan on 3C48 for ~ 12 min.
02:02 : Stopped scan and observation closed.