Modern Humminbird sonar, left, identifies lake depth with a color selection system, while Mega-360 sonar imaging, right, provides a 360-degree view of bottom structure and fish all around the boat.

The information of the territory provided by the laser technology from an airplane can be combined with data collected in mountain lakes with an inflatable boat and a small echo sounder to obtain ...

Northstar Electronics announce improvement to Echotec's 3D sonar imaging (the former company has intent to take over the latter) Northstar Electronics, Inc. which previously signed a Letter of Intent ...

Just an angler, a fishing pole and maybe thousands of dollars worth of sonar equipment offering an exact image of what that ...