Davis 129 Electronic Nav / Communication

Covers all key modes of Marine Electronics including procedures, rules, problem solving, tips. Comprehensive information on: NAVIGATION: - SAT NAV - GPS - LORAN C - RDF - RADAR - DEPTH SOUNDER - AUTO PILOT COMMUNICATION: - VHF - SSB - CB - EPIRB - HAM. Marine electronics are vital to the safety and enjoyment of your boat. This card serves as a quick refresher, and removes any "black magic" confusion about the proper use of communication and navigation electronics. Concisely written and easy to understand a must for the skipper, and fun for family and friends.