As GPS systems begin to supplement or replace radar, traditional modes of tracking flights should be revisited, and this doesn't seem like a bad start.
From the layman’s perspective, few of the many cogs that keep planes in the sky and airports running safely could use a 21st-century upgrade more than the age-old air traffic control tower. Saab unveiled its vision of the future last year with its remote tower (or r-TWR) — a system that provides a 360-degree live video feed of an airport to offsite monitoring stations.
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