Frank J Larkin is a writer, mariner, and GPS expert.(This is also true of your GPS operating manual. Stay focused on the one topic that you are directed to read in the manual.) ... Keep your charts updated to the latest Local Notice to Mariners, a free service offered by the Coast Guard. Double anbsp;...
|Title||:||Coastal Navigation Using GPS|
|Author||:||Frank J. Larkin|
|Publisher||:||Sheridan House, Inc. - 2003|