GTAC Observation Log

1. Date : 24/07/2017
2. Observation Sr. No. : 9600
3. Observer : Peter Kamphuis, Baerbel Silvia Koribalski, Paolo Serra, Lister Staveley-Smith, Danail Obreschkow, Thomas Martinsson, Kristine Spekkens, Gyula I.G. Józsa, George Heald, Julia Bryant, James Allen, Boris Zhivkov Deshev, Attila Popping, Jayaram Narayanan Chengalur, Tobias Westmeier, Martin Meyer, Wang, Oh, Johnson, Barbara Catinella, Luca Cortese
4. Observer's Email : peterkamphuisastronomy@gmail.com, Baerbel.Koribalski@csiro.au, serra@astron.nl, Lister.Staveley-Smith@uwa.edu.au, danail.obreschkow@gmail.com, martinsson@astro.rug.nl, kristine.spekkens@rmc.ca, gjozsa@ska.ac.za, heald@astron.nl, jbryant@physics.usyd.edu.au, j.allen@physics.usyd.edu.au, boris@to.ee, attila.popping@uwa.edu.au, chengalur@ncra.tifr.res.in, tobias.westmeier@uwa.edu.au, martin.meyer@uwa.edu.au, j.wang@csiro.au, se-heon.oh@uwa.edu.au, Megan.Johnson@csiro.au, barbara.catinella@uwa.edu.au, luca.cortese@uwa.edu.au
5. Project Name : Bridging the Gap from from Optical to 21cm with the GMRT
6. Project Code : 32_007
7. Operator(s) : Deepak, Pramod, Sachin, Shilpa, Surender
8. Command File : /odisk/gtac/cmd/32_007/24jul17/obs_s4.cmd,, /odisk/gtac/cmd/32_007/24jul17/obs_s3.cmd
9. LTA File : /gsbifrdata1/24jul/32_007_24jul2017.lta.1, /gsbifrdata1/24jul/32_007_24jul2017.lta
10. LogFlag File : /odisk/online1/logflags/32_007.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1392.3 MHz ,RF2 : 1392.3 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1330 MHz, ILO2 : 1330MHz , IVLO1 : 62.3 MHz, IVLO2 : 62.3 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 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 : 0 MHz; Step # 0
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 137.7
28. LO5 -2  : 167.3

29. Frequency Parameters (TPA) : 1392.3 1392.3 1330 1330 62.3 62.3
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) :
W03 : Low fringe.
C04 : Servo problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 24 Jul 2017 07:45:00 - 24 Jul 2017 18:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :29

37. Comments (During Observations) :
07:45 : Started settings.
07:59 : Started scan on 3C48 for 15min.
08:21 : '/odisk/gtac/cmd/32_007/24jul17/obs_s4.cmd' command file started.
10:06 : C14 taken for structural repair.
10:12 : C04 started working.
12:14 : Stopped command file due to high wind.

Note : 12:14 to 16:17 : High wind speed.

16:17 : started scan on 3C286.
16:22 : C14 Started working.
16:27 : Stopped scan and halt the GSB.  
Started next set up with center frequency as 1403.18 MHz.
16:39 : Started scan on 3C286.
16:49 : Stopped scan and stared command file.
 '/odisk/gtac/cmd/32_007/24jul17/obs_s3.cmd'
17:43 : Stopped command file.
17:50 : Started scan on 3C286.
18:00 : Stopped scan and observation session is over.