Originally Posted by
mr_bill
"Most cell phone GPS tracking solutions utilize cell towers to determine location. This means you know which cell phone tower your employee is closest to, but you employee could actually be hundreds of feet or even miles away Even those that use triangulation services can't provide complete accuracy."
How old is that article? This hasn't been true for years.
-mr. bill
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That article is basically an advertisement for a fleet vehicle tracking system.
And again, it doesn't mention anything about altitude data.