Re: [Discuss-gnuradio] Re: Spurious Spikes Seen with usrp_fft.py

[ChoJin]

On Tue, 22 Jan 2008 10:24:53 -0800 (PST), Thomas wrote:

[...]

> I positioned the USRP very close to the antenna connected to a real 
> spectrum analyzer, and I was able to observe the spike on the 
> spectrum analyzer. I guess the USRP is actually radiating this 
> frequency. It might go away if I place the USRP's antenna farther 
> away from the USRP itself, which I haven't been able to try yet.
> 
> Does anyone know what the source of this might be within the USRP? I 
> don't believe this will cause me any problems. I'm really just 
> curious. 

You might be re-discovering the basis of the Van Eck attack but on
the radio receptor itself. That would be quite funny/ironical IMHO ;)

-- 
Best Regards,
ChoJin