How to Make Navigation Safer Using Satellite Images

How to Make Navigation Safer Using Satellite Images

by Chris Beeson

Cruisers find unexpected benefits of satellite images overlaid on OpenCPN. Yachting Monthly magazine published an extensive article explaining why sat overlays can be helpful and how to implement them onto your charts.


“Google Earth was never designed to be used as a primary navigation tool but, very helpfully for mariners, its satellite images are georeferenced using the WGS84 datum, which is the same one used on the majority of marine charts.”

The article suggests the following as your Satellite Imagery Toolkit:

The article also provides thorough coverage of hardware, computer, and GPS requirements to get you up and running in no time at all.

“At present satellite navigation is best done on a dedicated laptop computer. Google Earth can be used on electronic tablets and provides real-time tracking, using built-in GPS, but lacks route planning and tracking features. SAS.Planet is not available on tablets, but there is an OpenCPN App [*] for android devices.”

Read more via Yachting Monthly Magazine March 2016

OpenCPN App for Android is a premium App by Dave Register.  Your purchase includes free upgrades whenever available.  Support forum.



Published by OpenCPN

OpenCPN lead developer

Leave a comment

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: