With the advent of forward facing sonar, this has become less popular, but there are still plenty of successful anglers watching fish react to their lures using down imaging. Side imaging sonar works ...

We envisioned the biggest derby in town for the smallest game fish. Now, two decades later, it is the biggest perch derby in the state, if not the world. Ironic as the idea might have been ...

part of it is due to new technologies like forward facing sonar, and the rest is just a refinement of what was already there — clearer pictures, better target separation, and faster processing speeds.