Charlie Morgan wrote:

Another reason why sailors should not become overly reliant on any one
method of navigation...

http://www.newscientisttech.com/channel/tech/dn10189-solar-flares-will-disrupt-gps-in-2011.html

CWM

I was just given a state of the art LORAN system, guess I've got 4 years
to install it!

Cheers
Marty