C-MAP 4D NA-D939 Passamaquoddy Bay to Block Island [M-NA-D939-MS] Winterizing | Cleaning The connectors are keyed for

The connectors are keyed for error-free connection and are waterproof for continued operation even while submerged in the bilge

State-of the-art digital signal processor offers advanced filtering capabilities

This fishing shirt has a self-fabric strip to hang sunglasses or a small tool on and a micro-fiber panel on the inside of the shirt to wipe your glasses

Cut Out Dimensions: 1-3/16" Dia

Mast Radius: 3" (76mm)

C-MAP 4D NA-D939 Passamaquoddy Bay to Block Island [M-NA-D939-MS] Winterizing | Cleaning The connectors are keyed forC MAP 4D NA D939 Passamaquoddy Bay to Block Island The next evolution in navigation solutions. C MAP 4D adapts to your boating needs because it's the only digital chart that offers advanced features and lets you add data and services as they become available. Full 4D Content When you choose Full 4D content you will experience the latest in navigation data and technology such as: 3D Chart View The world has three dimensions. When you add the 4th