Thanks again Fedora. And just once I'd like to enter a topic where everyone has actually read the excerpt, or better yet the entire article, before running off at the keys with useless, irrelevant, boilerplate (BCE vs BC), or just plain ignorant remarks.
Some sidebars you may find interesting:
If you’re going to sail the North Atlantic, a device that works in cloudy or foggy weather would be a plus, for sure.