GPS: How Does the US Satellite System Run the World? The Global Race to Geolocate

Global positioning systems have transformed our way of life. We rely on them for everything from navigation to measuring changes in sea levels and tracking money. Who provides the signal? How do they do it and at what cost? Is GPS empowering us or paving the way for a ‘Big Brother’ state? At the moment, GPS is dependent on US satellites. If America were ever to ‘switch off’ the signal, it could bring down the entire economy of continents and render all our complicated weapons useless.

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