GTAC Observation Log

1. Date : 02/05/2018
2. Observation Sr. No. : 10223
3. Observer : Karolina Rozko, Wojciech Lewandowski, Jaroslaw Kijak, Rahul Basu
4. Observer's Email : krozko@gmail.com, boe@astro.ia.uz.zgora.pl, jkijak@astro.ia.uz.zgora.pl, rahulbasu.astro@gmail.com
5. Project Name : Estimating the Wideband Spectral Shape of Gigahertz-Peaked Spectra Pulsars
6. Project Code : 34_027
7. Operator(s) : Nilesh, Surender
8. Command File : /odisk/gtac/cmd/34_027/02may18/obs_02may.cmd
9. LTA File : /gsbifrdata1/02may/34_027_02may2018.lta, /gwbifrdata1/02may/34_027_02may2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/34_027.FLAGS

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 : 24+10 dB, 32 MHz,OFF, IF-CH2 : 24+10 dB, 32 MHz,OFF

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 : OFF
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 : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
C04 : Servo Work.
E03 : Ripples and bad band shape for Both GSB and GWB at 250-500 MHz.
W05 : Ripples and bad band shape for Both GSB and GWB at 250-500 MHz.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 02 May 2018 04:00:00 - 02 May 2018 08:18:00

35. ONLINE Machine : Shivneri

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

37. Comments (During Observations) :
04:00 : Started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 2048
GPU_CHAN_NUM  	: 0:2047:1
GPU_STOKES  	: Total_Intensity
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 500  500
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 34_027
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  	: 128
GPU_GAINEQ  	: OFF
--------------------------------
04:06 : Started scan on 3C286 for  ~ 18 min.
04:28 : Started command file.
         /odisk/gtac/cmd/34_027/02may18/obs_02may.cmd
07:28 : C14 taken for Mech work.
07:00 - 08:18 : Observed strong RFI.
07:58 : Stopped command file.
08:04 : Started scan on 3C48.
08:18 : Stopped scan and observing session over.