[Discuss-gnuradio] Re garding uhd_fft.grc

[golisandeep]

Hi,
Yesterday i ran uhd_fft.grc  using gnuradio companion.I tried to sense the
spectrum from 2.4 to 2.5 GHZ.In the graph that i got, i could see a sharp
vertical  line  at center frequency,even if i change the frequency also i am
getting same graph .I am not understanding why i am getting this sharp
vertical line at center.

I attached screen shots of the graphs.
I am using gnuradio with USRP2 - XCVR daughter board.

Thanks & Regards,
Sandeep. http://old.nabble.com/file/p34149475/graph.jpg 
http://old.nabble.com/file/p34149475/graph2.jpg 
http://old.nabble.com/file/p34149475/graph3.jpg 
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