cell phone triangulation is good enough that I've known someone who got in a wreck and the 911 operator was able to tell pretty much which tree they had run into.
probably like satellites, just limit the non-state/gov users.
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2009 NISMO # 0193 | QAB | Albums! | 05.04.10 (Dynojet) 291.94hp/248.28tq
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