Sharp celestial navigation calculator how to#
To understand how to do this, you need to understand how we refer to places in the world. Navigation is traveling a planned course from start to finish, using the chart to avoid obstacles and hazards. Eyeballing a lighthouse on land won't help you miss a shoal unless you know where the shoal is relative to your boat.Ī nautical chart shows things under water and describes the landmarks and references you can see. And the water may cover hazards like rocks and shoals that you need to avoid. And even if you can see landmarks, they won't help you if you can't identify them.
Sharp celestial navigation calculator Patch#
If you get fog or it's night time or you're far out to sea, you have nothing to make one patch of blue look any different from another. When you can see land it's easier to figure where you are.
![sharp celestial navigation calculator sharp celestial navigation calculator](http://www.nauticalcalculator.com/assets/images/change-of-altitude-in-given-time-from-meridian-transit-1-1242x2208.png)
No one will put a big rock in the middle of the highway that you won't see until you hit it.īut one patch of water looks a lot like another. If you're on Interstate 95 and you know the next exit number, you're good for figuring out where you are and how to get where you're going. On land you've got roads, which limit where you can drive and how much trouble you can get into. It shows you the expected lay of the land and gives references for finding your way to somewhere when don't know the path.
![sharp celestial navigation calculator sharp celestial navigation calculator](https://www.starpilotllc.com/pics/ti89_icon.jpg)
Large-scale charts, small scale charts, harbor charts - what are all those symbols and how do you use them to find your way in the world? Whether you're on your dream vacation, heading out for a short weekend, or dreaming over the winter, you'll be looking at charts.