One of the tools professional guides use before ever firing up a motor comes right in these pages. The tide prediction tables the St. Petersburg Times prints each week serve as a guide to water ...

Sailors interested in building their very own computer-controlled chart plotter using the awesome Raspberry Pi mini PC may be interested in a project created earlier this year by James Conger, which ...

Different chart types emphasize different aspects of the data. I show a simple data set and plot it three simple ways to show that each emphasizes a different message. All use bar charts. The data ...

We’ve run all these machines at various times and places, and learned much about their interfaces and features. But the biggest chess game in selecting a sonar brand is knowing what’s behind the ...

l“We are starting to move into the paperless way of doing things,” international Capt. Nat Iyengar observed. The old school was the reporting form, or overwater log, which accompanied the flight plan ...