Within each state, the aids to navigation listings are arranged alphabetically. Within harbors, the listings are arranged geographically.
Listings are cross-referenced to related aids in other portions of the chapter.
Hawaii is included. A GPS user's guide introduces you to the intricacies of this popular navigation system, and describes in detail how to best use the book. Contact us to place an order. In fact, the Coast Guard believes DGPS will provide close to 2-meter accuracy up to 100 miles offshore. The DGPS station then broadcasts a correction factor, which can be received by boats equipped with DGPS units.