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elias Tsolis's avatar

eLORAN is a modern version of a US-developed radio navigation system from the 1940s, using terrestrial beacons for stronger, more jamming-resistant signals than GPS. However, it mainly covers land and coastal areas, needs significant infrastructure, and only provides horizontal positioning.

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Alex Alexakis's avatar

Good point

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George Krachtopoulos's avatar

Spot on!

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