Sport Fishing - - ECONOMICS -

Lowrance and Sim­rad, both owned by the same com­pany, share the Struc­tureS­can 3D plat­form, which features a trans­ducer with seven el­e­ments, three pointed left, three right and one down. “That lets us send a sig­nal out and re­ceive it back in mul­ti­ple lo­ca­tions,” says Matthew Laster, sonar prod­uct man­ager. “It can send a sig­nal on one el­e­ment and re­ceive it back on the other two.”

The tech­nol­ogy, Laster says, is called in­ter­fer­om­e­try. “Tra­di­tional sonar can’t tell you the depth 30 feet to the left or right of the boat,” he says. With 3D, “we can show things not at­tached to the bot­tom, and we can put them in real space as to where they’re hold­ing, whether against a wreck or drop-off.”

Struc­tureS­can 3D uses the 455 kHz fre­quency as a com­pro­mise be­tween depth and res­o­lu­tion. Lower-fre­quency beams would achieve greater depth but lose tar­get clar­ity. “The big off­shore guys have not em­braced [the tech­nol­ogy] yet. They’re not look­ing for fish on struc­ture,” Laster says, ex­plain­ing why 3D was de­signed more for in­shore and nearshore an­glers.

The 3D trans­ducer cap­tures re­turns as much as 600 feet to ei­ther side of the boat. A va­ri­ety of mount op­tions al­low an­glers to prop­erly fit

most boats. The 3D mod­ule and a sin­gle trans­ducer start at $999 and are com­pat­i­ble with Lowrance HDS Gen3 and Car­bon MFDs as well as Sim­rad NSS evo2 and evo3.

Sim­rad Struc­tureS­can 3D uses in­ter­fer­om­e­try WR VKRZ DQJOHUV VWUXFWXUH DQG ƓVK LQ WKH ZDWHU col­umn rel­a­tive to their boats.

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