This two-day course is designed to teach navigation using GPS and other electronic devices as well as the back-up skill using charts, plotting tools and dead reckoning. Time: 9 a.m.-5 p.m. Location: Channel Islands Boating Center, 3880 Blue Fin Circle, Channel Islands Harbor, Oxnard, California 93035. Contact: Richard G. Heller. Email: [email protected]. Phone: 805-640-1268. Cost: $45. Student purchases own textbook. Must register by Sept. 1 via email.