A Lake Superior troller, John Ehlers grew tired of losing fish. He knew it happened when his line was momentarily slack after it released from a downrigger cable or a planer board. So Ehlers started ...

The Seeker Probe uses underwater acoustics to wirelessly report on lure depth, speed, water temperature and more. Courtesy Scotty Scotty has partnered with Airmar Technology to ­develop the Seeker ...