David Burch Navigation Blog
Notes on marine navigation and weather
Wednesday, March 15, 2017
Adobe Digital Editions (ADE) User's Guide
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1. What is Adobe Digital Editions? There are several ebook formats on the market. Kindle is the most popular and iBooks is likely next. ...
Sunday, March 12, 2017
ASTORIA TO POINTS NORTH — WEATHER PLANNING AND UNDERWAY
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Slides and notes from a talk at Portland Yacht Club , March 11, 2017. • Thanks to Starpath Instructor and PYC member Larry Brandt ...
Tuesday, February 7, 2017
Refraction in Celestial Navigation–still an issue, after all these years
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Here is an article written in 2012 that somehow did not get posted. It is now, because we just got a question about this that I thought we ...
6 comments:
Monday, January 16, 2017
Buys Ballot Law to find wind direction from isobars
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Reading wind speed and direction from the lay of the isobars on a weather map is a basic skill in marine weather. We need it because surface...
2 comments:
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