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Thread: 28/5 -30/5 Geomagnetic storms - how concerned?
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Old 26th May 2010 | 12:18
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rudderrudderrat
 
Joined: Oct 2009
Posts: 1,270
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From: UK
Hi,

We didn't have GPS in the old days. Even if GPS is unavailable - it's only one of several ways to update your position. You'd still have Runway update on Take Off, and DME/DME update over areas with coverage.
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