Videos Deep Water and Sonar Frequency with Korey Sprengel May 29, 2018July 26, 2018 The Next Bite Deep water, electronics tips, Korey Sprengel, Lowrance, lowrance tips, sonar, sonar frequency, tips Good friend and fellow pro-angler Korey Sprengel teaches his Lowrance electronic setup for fishing lake trout. Other Related Posts: How to read fish finder for 150 feet deep lake trout. Fort Peck Lake Trout Fall Location Paddle Tail Choices for Lake Trout Lake Trout Jigging Cadence