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: Using Side Scan in a River Fort Peck Lake Trout Fall Location Lowrance Set Up in Deep Water Lowrance HDS Unit Basic Set Up #Lowrance #HDS