GTAC Observation Log

1. Date : 21/07/2018
2. Observation Sr. No. : 10423
3. Observer : Ruta Kale, Joydeep Bagchi, Shishir Sankhyayan, Pratik Dabhade, C.H. IshwaraChandra, Luis C Ho, Huib T Intema, Kshitij Thorat
4. Observer's Email : ruta@ncra.tifr.res.in, joydeep@iucaa.in, shishir9898@gmail.com, pratikdabhade13@gmail.com, ishwar@ncra.tifr.res.in, lho.pku@gmail.com, intema@strw.leidenuniv.nl, thorat.k@gmail.com
5. Project Name : Galaxy Evolution and Magnetization in the Saraswati Supercluster (GEMSS): Pilot for a deep uGMRT Survey of the entire supercluster
6. Project Code : 34_059
7. Operator(s) : Sachin
8. Command File : /odisk/gtac/cmd/34_059/obs_21jul.cmd
9. LTA File : /gsbifrdata1/20jul/34_059_20jul2018_gsb.lta, /gwbifrdata1/20jul/34_059_20jul2018_gwb.lta, /gsbifrdata1/21jul/34_059_21jul2018.lta, /gwbifrdata1/21jul/34_059_21jul2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/34_059.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+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 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 : 33.333333 MHz
24. Final BW : 0 MHz; Step # 0
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 :28

32. Name of Non-Working Antennas (with reason for each) :
E03 : Bad bandshape.
S03 : Taken for maintenance.
C01 : Chan-130 self low for GWB.
E05 : Chan-175 self low for GWB.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 21 Jul 2018 00:00:00 - 21 Jul 2018 08:05:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
Scan no. 0,1 and 2 are bad for GWB because due to strong headache
forgot to power equalize for GWB.
00:32 : Equalized for GWB and started observation session.

00:35:14 : Restarted scan on 3C468.1 for ~ 9.66367 min.
00:49:35 : Started command file.
07:49:00 : started scan on 3C48.
08:00:00 : Observation session over.
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