New GT360UHD transducer and first-of-its-kind Spy Pole help anglers see underwater like never before OLATHE, Kan., March 10, 2026 /PRNewswire/ -- Garmin (NYSE: GRMN), the world's largest1 and most innovative marine electronics manufacturer, today announced a new 360-degree scanning sonar that lets anglers see a birds-eye view of fish and structure in every direction around the boat in 2D and 3D views—then fish that area without having to constantly rescan.