This course is designed teach navigation using GPS and other electronic devices as well as the back-up skill using charts, plotting tools and dead reckoning.Time: 7-9:30 p.m. Location: Lake Elsinore Marine, 18010 Grand Ave., Lake Elsinore. Contact: Peter Dawson. Email: [email protected]. Phone: 951-202-1584. Cost: $75 (refreshments provided).