sonar
How does NOAA make nautical charts?
Making and updating nautical charts is a continuous process that involves many people from different disciplines and organizations.
Lowrance & Simrad StructureScan 3D, Hello Interferometry (BLOG)
When I wrote about the StructureScan 3D announcement last July, I recall feeling a bit skeptical. But I was wrong. On-water demos have taught me that SS3D is much more than a visual gimmick.
Garmin 2016: Quickdraw Sonar Charting, Smaller Panoptix, Striker, And Lots Of CHIRP (BLOG)
Yup, you're going to be able to easily collect soundings as you cruise, if you want, you can watch the resulting high def sonar chart materialize in your wake.
Sonar Wars: Lowrance StructureScan 3D, Raymarine SonarChart Live & GoFree Hooked (BLOG)
The competition around sonar burns hot on many fronts and the more the merrier, I say.