Upgrading Your Boat’s Electronics

Some advice on how to choose, install and upgrade you boating electronics, from sonar units to marine batteries. The article focuses on anglers, but some of this advice is relevant to all boaters.
“The most frequent upgrade for fishermen is a new sonar unit. Like computer companies, every year makers of sonar fish-finding equipment introduce more colorful and feature-filled units. To make them work properly the position of the unit’s transducer which sends out and receives a sonar signal to mark fish, the structure and the lake bottom below the boat must be exact.”