GTAC Observation Log

1. Date : 26/05/2015
2. Observation Sr. No. : 7802
3. Observer : Ruta Kale, Rossella Cassano, Gianfranco Brunetti, Giacintucci Simona, Tiziana Venturi, Daniele Dallacasa, Virginia Cuciti
4. Observer's Email : ruta@ncra.tifr.res.in, rcassano@ira.inaf.it, brunetti@ira.inaf.it, simona@astro.umd.edu, tventuri@ira.inaf.it, daniele.dallacasa@unibo.it, vcuciti@ira.inaf.it
5. Project Name : Uncovering the nature of candidate diffuse emission in the Extended GMRT Radio Halo Survey
6. Project Code : 28_073
7. Operator(s) : Deepak, Rupsing, Surender
8. Command File : /odisk/gtac/cmd/28_073/25may_obs.cmd
9. LTA File : /gsbifrdata/25may/28_073_25may2015.lta
10. LogFlag File : /odisk/online1/logflags/28_073.FLAGS.1

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 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON

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) : 306 306 255 255 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :27

32. Name of Non-Working Antennas (with reason for each) :
E02 : No feed.
S04 :  BLDC.
W04 : Amplitude variation.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 25 May 2015 18:00:00 - 26 May 2015 00:00:00

35. ONLINE Machine : Shivneri

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

37. Comments (During Observations) :
18:04 : Started scan 3C147.
18:18 : Stopped scan.
18:26 : Started command file.
23:40 : Stopped command file.
23:44 : Started scan on 3c286.
00:00 : Stopped scan and observing session is over.