GTAC Observation Log

1. Date : 21/11/2020
2. Observation Sr. No. : 12595
3. Observer : Kamlesh Rajpurohit, franco vazza, Marisa Brienza, Annalisa Bonafede, Reinout Johannes vanWeeren, Duy N. Hoang, Andrea Botteon, Denis Wittor, Chiara Stuardi, Matthias Hoeft, Daniele Dallacasa, Christopher John Riseley, Arvind Singh Rajpurohit, Etienne Bonnassieux, Nicola Locatelli, Biava
4. Observer\'s Email : kamlesh.rajpurohit@unibo.it, franco.vazza2@unibo.it, m.brienza@ira.inaf.it, a.bonafede@ira.inaf.it, rvweeren@strw.leidenuniv.nl, hoang@hs.uni-hamburg.de, botteon@strw.leidenuniv.nl, dwittor@hs.uni-hamburg.de, chiara.stuardi140@edu.unito.it, hoeft@tls-tautenburg.de, daniele.dallacasa@unibo.it, chris.riseley.astro@gmail.com, arvindr@prl.res.in, etienne.bonnassieux@unibo.it, locatelli@ira.inaf.it, nadia.biava2@unibo.it
5. Project Name : Follow up observation of the spectacular radio relic in A2256: spectral and curvature analysis 
6. Project Code : 39_019
7. Operator(s) : Deepak, Nilesh, Pramod, Shilpa, Surender
8. Command File : /data1/gtac/cmd/39_019/A2256.py
9. LTA File : /gsbifrdata1/21nov/39_019_21nov2020_gsb.lta, /gwbifrdata1/21nov/39_019_21nov2020_gwb.lta
10. LogFlag File :  

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 : 4.0265 Sec
31. No of Antennas Working(Fringing) at the beginning :24

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
W03 : FPS problem.
C01 : Applied AZ brake.
C11 : and W05 Feed problem.
S01 : FE problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 21 Nov 2020 07:00:00 - 21 Nov 2020 19:10:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
GPU_FSTOP,1
GPU_PFB,0
GPU_FILRFI,0
GPU_BEAM_1,0:1
GPU_PFB_TAPS,16
GPU_CHAN_NUM,0:4095:1
GPU_BEAM_S,0
GPU_DDC,0
GPU_CNTRL,1
GPU_GAINEQ,1
GPU_EDGE_FRQ,0
GPU_BM_INT,8
GPU_BEAM_3,0:1
GPU_BEAM_2,0:1
GPU_CHAN_MAX,4096
GPU_BEAM_4,0:1
GPU_ENV,1
GPU_HOSTS,2
GPU_MODE,0
GPU_STOKES,4
GPU_TPA,0
GPU_ACQ_BW,200.0000
GPU_LTA,8
GPU_FINAL_BW,1
GPU_BITS,8


06:40 : Started set up.
07:08 : Started scan on 3C286.
07:19 : Stopped scan and started command file.
  /data1/gtac/cmd/39_019/A2256.py
08:04 : E06 started working.
10:44 : C11 started working.
13:26 : S01 Started working.

14:22 : E06 not releasing elevation brakes.
15:27 : C01 started working.

18:30 : E06 started working.
18:52 : Stopped command file.
18:57 : Started scan on 3C48.
19:03 : Observations closed after a scan on 3C48 for 5 mins.