Global Positioning System

If you don’t own a GPS unit now, you probably will soon.  Everybody's using GPS: boaters, hunters, anglers, commercial ship operators, drivers, and Co-op Charting enthusiasts.  Determine your exact position anywhere on earth and plan the next leg of your journey.  Here's a step-by-step guide that's easy to read and understand. Click here for the Errata Sheet (PDF, 21KB).

USPS Guides are available to members and the public at various marine supply stores, and also directly from United States Power Squadrons Headquarters by calling 1-888-FOR-USPS between 8:30AM and 4:00PM ET Monday through Friday, or on-line via the United States Power Squadrons Ship's Store.  Visa, MasterCard, Discover, and American Express are accepted.  These guides are also available to USPS members at reduced rates through their Squadron Educational Officer.