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No service in the subway? Transit's offline motion detection shows where you are between stations, and reminds you when your stop’s up next.
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Subway navigation in GPS deadzones
Eli Gagnon
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@transitapp just launched underground subway directions. Yes, even in areas without GPS! In deep subways and metros, GPS accuracy is bad. And while some cities have WiFi and 5G in their tunnels, many don't. So Transit's engineers got to work and found a way to triangulate your location using just your phone’s vibrations. First they distinguished “train moving” vibrations from other ones, like...
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Subway navigation in GPS deadzones