GTAC Observation Log

1. Date : 24/01/2015
2. Observation Sr. No. : 7566
3. Observer : Jayanta Roy, Maura Ann McLaughlin, Scott M. Ransom, Bhaswati Bhattacharyya, Duncan Ross Lorimer, Lina Levin
4. Observer's Email : jayanta.roy@manchester.ac.uk, maura.mclaughlin@mail.wvu.edu, sransom@nrao.edu, bhaswati.bhattacharyya@manchester.ac.uk, Duncan.Lorimer@mail.wvu.edu, lina.s.levin@gmail.com
5. Project Name : Coherently dedispersed timing studies at the GMRT for IPTA MSPs
6. Project Code : 27_043
7. Operator(s) : Nilesh
8. Command File : /odisk/gtac/cmd/jroy/27_043_24jan.cmd
9. LTA File : /gsbifrdata/24jan/27_043_24jan2015_2s.lta
10. LogFlag File : /odisk/online1/logflags/27_043.FLAGS.5

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 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+14 dB, 32 MHz,OFF, IF-CH2 : 24+14 dB, 32 MHz,OFF

GSB SETTINGS :

14. GSB Host : gsbm1
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : IA
22. Beam - 2 : OFF
23. ACQ BW : 33.333333 MHz
24. Final BW : 33.333333 MHz; Step # 
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 306 306 255 255 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
E04 : Cable tray installation.
W04 : P3 item work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 24 Jan 2015 08:00:00 - 24 Jan 2015 13:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :27

37. Comments (During Observations) :
08:20 : Started settings for observation.
        Trial version GUI, 32MHz, TotalInt,IA-OFF,512chan, ALCoff,
        Power eq @ 300 counts on 1830-360.
08:38 : Started command file.
10:24 : C01 taken for maintenance.
10:26 : S-arm electrical power reset.
10:32 : S-arm electrical power reset.
10:38 : S01 time out after power reset.
10:40 : W06 taken for maintenance.
11:34 : W06 released for observation.
12:10 : W06 and S01 started working.
13:03 : Stopped observation session.