Here’s a number you might not believe: 30. That’s the number of chirp transducers offered by Airmar, the single largest maker of sonar transducers for recreational marine use. While Airmar was once ...

Choosing between a thru-hull transducer (top) and a transom-mount transducer (bottom) is a key decision for boating anglers. There are benefits and downsides to both. Courtesy Airmar A fish finder is ...