This course covers the use of GPS and other electronic devices as well as the back-up skill of navigation using charts, navigation plotting tools, and dead-reckoning. This class is for two days on Aug. 19 and 20. Time: 9 a.m.-3 p.m. Location: Chula Vista Marina, 550 Marina Parkway, Mariners Lounge, Chula Vista, California 91910. Contact: Bill Andersen. Email: [email protected]. Phone: 619- 922-0231. Course Cost: $50 ($60 for couples sharing materials). Register by Aug. 12. Limited seating – sign up now.