How to use Depth Sounders and GPS

All you need to know

How to use Depth Sounders and GPS goes into detail explaining how these modern, essential tools of anglers work and how to use them to gain an understanding of where you are and what the watery world beneath you contains.

If you are trying to determine what the best unit for your type of fishing is, then this book will help you unravel the mystique surrounding these electronic marvels and help you to set up and interpret displays in the best way.