The USPS Plotter is a simple, versatile chart navigation plotter. Basic instructions that demonstrate its use to draw a course line, read a course, and determine coordinates are included. The USPS Plotter is designed by the United States Power Squadrons and manufactured by Weems & Plath. The USPS is an organization dedicated to making boating safer and more enjoyable by teaching classes in seamanship, navigation and related subjects.
- Sturdy transparent plastic construction
- Lifetime warranty