As forward-facing sonar, aka live sonar, from brands such as Garmin and Lowrance takes over freshwater bass fishing, some anglers forget that the company that introduced this technology was Humminbird ...

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.

Forward-facing sonar has revolutionized fishing, allowing anglers to “see” fish in real time up to 100 feet away from the boat. Transducers for systems such as Humminbird’s Mega Live Imaging have ...