The revolution was recorded: in 1969 Bitches Brew sent a shiver through a country already quaking. It was a recording whose very sound, production methods, album-cover art, and two-LP length all signaled that jazz could never be the same. Over three days anger, confusion, and exhilaration had reigne...

A proven navigation tool used by the U.S. Coast Guard, U.S. Power Squadrons, and U.S. Coast Guard Auxiliary. Navigation Rules feature U.S. Buoyage System, inland and international rules, right-of- way, lights, sound signals, and bridge signals. All presented in graphic summary and easy to read. Comp...

Doel-Fin is the original hydrofoil developed by an aeronautical engineer to improve overall performance on all boats with outboard motors or outdrive units. Molded in two pieces of guaranteed unbreakable, high-strength plastic, each foil is designed to flex independently to absorb shock. The positiv...

A simplified, yet complete Celestial Navigation system. Makes it easy, proving that lengthy instruction is not necessary to master celestial navigation. Includes everything you need: sextant use and corrections, starfinder for 18 stars, data entry form and step-by-step sight reduction and plotting p...

For use with Vantage Pro, and Vantage Pro2. (Already included with Vantage Pro Plus and Vantage Pro2 Plus.) Measures solar radiation and is required (along with an anemometer and a temperature/humidity sensor) if you wish to monitor evapotranspiration. Diffuser element and housing are carefully desi...

Kit includes two poles and mounting hardware. Poles can be used separately or together to make a single, larger pole. Total combined pole length is 37.5".

Covers all the basic procedures and equipment. Includes predeparture checklist, recommended equipment & spare parts, fueling procedures, engine troubleshooting, radio use, trailering, launching, anchoring, knot tying, water skiing hand signals. Gives rules of the U.S. Buoyage System and right-of-way...

Shows the use of wind direction, barometric pressure and cloud type to predict the weather. Includes full listing of radio weather stations for official broadcasts. Has key information on navigation in fog, hazardous wave and surf conditions, storm warnings, hurricane avoidance, and more! "Time test...

Customizable features with robust performance: perfect for the serious weather watcher. Get a wide range of options and sensors that offer flexibility and accuracy.

Super Quick Fist is ideal for holding fire extinguishers, oxygen cylinders, CO2 tanks, and other equipment with a diameter measuring 2-1/2" to 7-1/2". Perfect for boaters who need to keep chart tubes handy. Clamp mounts easily with three #10 (5 mm) bolts or screws (not included). Can be mounted with...

For use with Vantage Pro and Vantage Pro2. (Already included with Vantage Pro Plus and Vantage Pro2 Plus.) measures the sun burning portion of the UV spectrum. Allows you to display UV Index, dose rate, and daily and accumulated dose. Multi-layer filter provides a Spectral response that closely matc...