7mon
WQRF Rockford on MSNTo catch speeders, Rockford Police cars get new ‘always on’ radarTraditional speed radar guns emit a wide radio frequency beam ... the speed of cars moving both away from and toward the ...
[Gregory Charvat] decided to see what he could do with this old Police radar gun. It is an X-band device that broadcasts continuous waves and measures the Doppler shift as they echo back.
But, a new sort of radar gun may have us quickly singing their praises. The Virginian-Pilot reports that there's a new tool that will be able to tell officers if a driver is texting rather than ...
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