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My idea would be a scanner that not only hears what cops are saying but where they are based off of radio triangulation, this could be installed in a vehicle with a combination of a radar jammer/ detector to allow drivers to have warning of police near by.
[link]
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And, if he happens to be stuffing his pie-hole with donuts and not talking on the radio? |
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Another year, another login... |
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I'll be first in line to buy one! Big juicy bun for you |
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Well, he's either a mining engineer or he was born in 1920. |
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You'll need three antennae in order to triangulate the location. Also, for any accuracy, they'll have to be farther apart from each other than the corners of your vehicle. |
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I guess your device might be able to use doppler shift, directionality, and signal strength to get a decent guess at where they were, and whether they were headed your way, but doing so off of a passive signal could be very tricky. |
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