What Is The Best Time To Use A Sextant?
The most well-known use for a sextant is to measure the altitude of celestial bodies so that you can plot your position onto a chart….
What’s The Difference Between A Plastic And Metal Sextant?
When I started searching for a sextant to buy, I was presented with two options. A plastic sextant, or a metal sextant. The metal ones…
What Are AIS EPIRBs?
I have already discussed regular EPIRBs in-depth on this website. In the article “How Do EPRIBs Work?”, we looked in detail at how they work,…
Why Is The Height Of A VHF Antenna Important?
When you are installing your VHF, arguably the most important consideration is where to place the antenna. You know it should be as high as…
How To Reduce Interference On A Marine VHF Radio
With a good VHF radio, you will be able to hear other people’s transmissions loud, and clearly. Occasionally, however, you may find that there is…
Where Does The Water Go At Low Tide?
If you’ve taken a walk along a seafront at different times of day, you’ll already be aware of the tides. At high tide, the water…
How Long Does A Personal Locator Beacon Last?
A Personal Locator Beacon, or PLB, is a small satellite communication device used to signal for help in an emergency. Unlike EPIRBs, which are registered…
How Many Lifeboats Are There On A Cruise Ship?
Maritime safety has come a long way since the Titanic was permitted to sail without enough lifeboats for everyone on board. Now, we take it…
Are Lifeboats Unsinkable?
Lifeboats are designed to keep passengers and crew safe in the unlikely event that their ship sinks. But, what about the lifeboat itself? Can a…
What Is Celestial Navigation?
Lots of people have a romantic picture in their mind whenever you mention celestial navigation. It will conjure images of gazing up at the stars,…
Marine VHF Channels And Frequencies
When you use a marine VHF, the first thing you need to do is to tune in to the channel that you want to use….
How Does AIS Work?
When you check websites like marinetraffic.com or vesselfinder.com, you can see the location of any ship in the world. They draw data from AIS, then…
