About this item COVERS ALL FREQUENTLY NEEDED TOPICS: Spelling Alphabet, Channel Usage, Emergency Calls, Safety Calls, Hi/Low Power Choice, Best Practices for Clear Communication, Radio Checks, Weather Radio, and Squelch. A portable, handheld cheat sheet for all boats. EASY TO USE AT THE MARINE VHF RADIO: Find answers to most-often asked nautical questions without needing to open the guide; bright colors make it easy to locate; type sized for effortless reading CONVENIENT SIZED BOAT TOOL KIT: Small enough to hold in one hand while holding the mic in the other; large enough to easily find and read; folds flat for easy storage near the radio. QUICKLY FIND NEEDED INFO: Bright and clear headings make it a snap to find the desired section while on the radio LONG-LASTING: Ultra-tough waterproof material resists tearing and crumpling; no-glare coating resists discoloration from sunscreen, petroleum products and other chemicals; may be wiped clean when dirty › See more product details