GTAC Observation Log

1. Date : 14/05/2019
2. Observation Sr. No. : 11072
3. Observer : Poonam Chandra, Dipankar Bhattacharya, Nayana AJ, Stephen Bradley Cenko, Alessandra Corsi
4. Observer's Email : poonam@ncra.tifr.res.in, dipankar@iucaa.in, nayan89deva@gmail.com, brad.cenko@nasa.gov, Alessandra.Corsi@ttu.edu
5. Project Name : Follow up observations of GRB 171205 - lowest frequency GRB detected with the uGMRT
6. Project Code : 36_058
7. Operator(s) : Navnath, Nilesh, Surender
8. Command File : /odisk/gtac/cmd/poonam/36_058/band4/obs.txt
9. LTA File : /gsbifrdata1/13may/36_058_band4_13may2019_gsb.lta, /gwbifrdata/13may/36_058_band4_13may2019_gwb.lta
10. LogFlag File : /odisk/online1/logflags/36_058.FLAGS.2

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 : Full_Stokes
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) : 591 591 540 540 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :30

32. Name of Non-Working Antennas (with reason for each) :
S04 : Self power fluctuations.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 13 May 2019 22:40:00 - 14 May 2019 01:20:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :30

37. Comments (During Observations) :
22:40 : Started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 400.0000
GPU_FINAL_BW  	: 400.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 550  550
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: -1 -1
GCODE4  	: 36_058
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 8
GPU_GAINEQ  	: ON
GPU_TPA  	: From GWB GUI.
GPU_BITS  	: 4 Bits
GPU_FILRFI  	: RFI Filterring OFF
GPU_BEAM_S  	: OFF
--------------------------------

22:47 : Started command file.
          /odisk/gtac/cmd/poonam/36_058/band4/obs.txt
00:48:48 : Stopped cmd file.
00:51:27 : Started scan on 3C286 for ~ 11.9454 min.
01:00:00 : Stopped scan and observing session over.