GTAC Observation Log

1. Date : 01/02/2017
2. Observation Sr. No. : 9175
3. Observer : Nissim Kanekar, Jayaram Narayanan Chengalur, Jason X. Prochaska
4. Observer's Email : nkanekar@ncra.tifr.res.in, chengalur@ncra.tifr.res.in, xavier@ucolick.org
5. Project Name : %latex% The Spin Temperature of High-Redshift Damped Lyman-$\\\\alpha$ systems
6. Project Code : 31_094
7. Operator(s) : Navnath, Rupsing, Surender
8. Command File : /odisk/gtac/cmd/nissim/j1049\+3737.cmd,, /odisk/gtac/cmd/nissim/j1546\+3442.cmd
9. LTA File : /gsbifrdata1/31jan/31_094_31jan2017.lta.1, /gsbifrdata1/31jan/31_094_31jan2017.lta
10. LogFlag File : /odisk/online1/logflags/31_094.FLAGS.1, /odisk/online1/logflags/31_014.FLAGS.4

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 412.500 MHz ,RF2 : 412.500 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 475 MHz, ILO2 : 475MHz , IVLO1 : 62.500 MHz, IVLO2 : 62.500 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_lenyadri
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 : 2 MHz; Step # 3
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 137.5
28. LO5 -2  : 167.5

29. Frequency Parameters (TPA) : 412.500 412.500 475 475 62.500 62.500
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) :
C11 : : Servo work
E05 : : Mech Work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 31 Jan 2017 22:00:00 - 01 Feb 2017 09:00:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
22:00 : Started setup.
22:10 : Started command file.
/odisk/gtac/cmd/nissim/j1049+3737.cmd
02:19 : Stopped command file.
02:22 : Started scan on 3C286.
02:29 : Stopped scan.
----------------------------------------
02:30 : Started observation set-up-2
----------------------------------------
02:39 : Started command file.
/odisk/gtac/cmd/nissim/j1546+3442.cmd

08:58 : Stopped command file.
09:01 : Started scan on 3C286 for ~ 15 min.
09:17 : Stopped scan and observation closed.