&gt;Cool, but I&#x27;m not sure about the practical uses.<p>paradoxical difference between that consumer grade setup and military grade system:<p><a href="http:&#x2F;&#x2F;www.businessinsider.com&#x2F;the-flaw-in-the-buk-missile-system-2014-7" rel="nofollow">http:&#x2F;&#x2F;www.businessinsider.com&#x2F;the-flaw-in-the-buk-missile-s...</a><p>&quot;So the Buk can pick up the signal of an aircraft. But if it&#x27;s operating in standalone mode, it can&#x27;t tell whether that aircraft is a military target, or a jetliner with nearly 300 people onboard.&quot;