GTAC Observation Log

1. Date : 06/12/2014
2. Observation Sr. No. : 7470
3. Observer : Megan DeCesar, Scott M. Ransom, Jayanta Roy, Bhaswati Bhattacharyya, David Kaplan, Paul Ray
4. Observer's Email : megandecesar@gmail.com, sransom@nrao.edu, jroy@ncra.tifr.res.in, bhaswati.bhattacharyya@manchester.ac.uk, dkaplan@kitp.ucsb.edu, paul.ray@nrl.navy.mil
5. Project Name : GMRT Observations of the Highly Eccentric Binary Millisecond Pulsar in NGC 6652
6. Project Code : 27_056
7. Operator(s) : Deepak, Pramod
8. Command File : /odisk/gtac/cmd/jroy/27_056_6dec.cmd
9. LTA File : /gsbifrdata/06dec/27_056_06dec2014.lta
10. LogFlag File : /odisk/online1/logflags/27_056.FLAGS.3

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 Host : gsbm1
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 : 33.333333 MHz
24. Final BW : 33.333333 MHz; Step # 
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 591 591 540 540 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :24

32. Name of Non-Working Antennas (with reason for each) :
C10,C12 : Power failure (at starting of observation).
C00 : Applied brakes.
W01 : L band feed is remove.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 06 Dec 2014 16:00:00 - 06 Dec 2014 18:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :24

37. Comments (During Observations) :
15:00 : Started set up for Pointing.
 Duo to buffer loss, we started pointing late.
15:42 : Started pointing.
16:10 : Pointing done.
16:10 to 16:29 : power glitch to central square antennas.
16:29 : Power equalized and phasing done on 1822-096 and started command file. 
    '/odisk/gtac/cmd/jroy/27_056_6dec.cmd'
17:50 : Stopped command file duo to source set.
18:00 : Stopped scan and observation session is over.