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Topic: Value of echart nav program even without GPS
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David Burch
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posted May 16, 2023 11:11 AM
We have a video illustrated article on several techniques you can carry out with an echart program such as OpenCPN or qtVlm, even if the GPS signal is lost for any reason. These programs are generically called "electronic charting systems (ECS)."
Some tips in the article are valuable even when you have GPS.
See ECS without GPS.
With all links included it is a bit long, but worth checking out so you know it is there for later reference.
From: Starpath, Seattle, WA
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