They have been flying off the shelves at Marine General sporting goods store for a couple of years.
Weiss: New sonar is 'not perfect, it's a tool' - Post Bulletin
Weiss: New sonar is 'not perfect, it's a tool' - Post Bulletin
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Humminbird Forward Facing Sonar as compared to Garmin and Lowrance
Forward sonar revived and new techniques! Big smallies with other fish? – BassBlaster
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Does live sonar mean the end of fishing, or just the end of fishing as we know it?
EDWIN EVERS: What's all the fuss about forward-facing sonar? - Major League Fishing