Subject:::1950s Technology Provides Viable Option to Unreliable GPS Signal in English Channel - Satellite Spotlight Satellite Spotlight eNewsletter
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January 21, 2013

1950s Technology Provides Viable Option to Unreliable GPS Signal in English Channel

By Ed Silverstein, TMCnet Contributor

GPS signals are easy to jam and can be unreliable, but there is at least one option that was just put into use in parts of the English coastline: eLoran.

Those with a long memory will recall that Loran was used in the 1950s – so it may not be cutting edge. Decades ago it was used by the British Royal Navy and the U.S. Navy for shipping navigation.

But consider, however, how weak satellite signals are from the more modern GPS. On top of that, modern applications are very dependent on GPS for locations and its accurate time signal. GPS transmitters are mounted on satellites and if the satellite signal goes out, so does the GPS... Read More


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