Navigation and Communication

Title Issue
The first point of Aries

The first point of Aries

Ah, spring! The peepers peep. The woodpeckers peck. The daffodils dazzle and the redwings are back in town, while on the celestial sphere — the region that we celestial navigators think about — the sun has moved from south of the celestial equator to the north on a day referred to as the vernal equinox.

Web Exclusives 2016
Using the Rude Star Finder

Using the Rude Star Finder

Everything is easy once you practice. This is certainly true of what seems to be the complicated subject of precalculating available stars for a morning or evening twilight star sight.

Web Exclusives 2015
A maritime mystery

A maritime mystery

Any discussions concerning the mysteries of the sea and sailing ships will usually include, at least amongst knowledgeable mariners, passing mention of the disappearance of Mary Celeste.

Web Exclusives 2015

Assumed position

Every now and then I receive a call from some soul who wants to learn celestial navigation. I don't usually teach the practice, but the theory is essential to understanding how it all works. Once we begin a course of instruction, I expect they will stay the course until they “get it.” This could be an arduous process both for teacher and student for any number of reasons.

Web Exclusives 2015
The foundations of good seamanship

The foundations of good seamanship

In the 18th and 19th centuries, sailors who lived long, unscathed lives were thought to be blessed with luck.

Web Exclusives 2014
Strategies for navigating around coral

Strategies for navigating around coral

It probably goes without saying that navigating around coral in areas without perfect charts and without good sunlight is a risky proposition.

May/June 2014

21st Century Marine Network Standard NMEA 2000

The National Marine Electronics Association (NMEA) 2000 Marine Network Standard is a big enabling factor driving the ongoing trend toward onboard networking of electronic systems

Web Exclusives 2013

The myths of Orion

Web Exclusives 2013
Reducing radio noise and interference

Reducing radio noise and interference

How often have you heard a voyager complain that every time they try to use their SSB, it kills their autopilot?

Ocean Voyager 2013
Internet access for voyagers

Internet access for voyagers

For better or worse, we live in a connected world. When we set off voyaging, our access to connectivity changes. How much it changes depends on where we’re going, what kind of access we want, and how much we’re willing to pay — measured both in cash and in energy consumption — to get it.

November/December 2013
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