GTAC Observation Log

1. Date : 01/10/2016
2. Observation Sr. No. : 8921
3. Observer : Nayana AJ, Poonam Chandra
4. Observer's Email : nayan89deva@gmail.com, poonam@ncra.tifr.res.in
5. Project Name : Tracing the footprints of various types of core collapse supernovae environments at low frequencies
6. Project Code : 30_090
7. Operator(s) : Pramod, Sachin
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata1/01oct/30_090_L-band_01oct2016.lta, /gsbifrdata1/01oct/30_090_610MHz_01oct2016.lta, /gwbifrdata1/01oct/30_090_01oct2016_1450lo_gwb.lta
10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2133, /odisk/online1/logflags/30_090.FLAGS.13

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
E03 : Feed jammed
C06 : Frequently applying brakes.
C05 and C09 : Taken for BLDC

33. Note for Backup :

34. Start and End Time of Obs.(IST): 01 Oct 2016 09:00:00 - 01 Oct 2016 12:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :26

37. Comments (During Observations) :
08:40 : Started set up.
Split up the sub-array as,

# sub 2 # C00 C02 C03 C04 C05 C06 C08 C09 C11 C13 C14 W03 E03 S04
ante 14 7 5 1 3 19 20 24 4 9 11 10 14 18 29
cp 0;defs 2;subar 2

# sub 4 # C01 C10 C12 W01 W02 W04 W05 W06 E02 E04 E05 E06 S01 S02 S03 S06
ante 16 6 12 2 8 13 15 16 25 17 21 22 23 26 27 28 30
cp 0;defs 4;subar 4

09:37 : Started scan on 3C286.
09:47 : Stopped scan and started command file.
11:40 : Stopped command file.
11:44 : Started scan on 3C286.
12:00 : Stopped scan and observation session is over.