The Phantom 3 Professional continues the proud tradition of DJI's Phantom series and brings several important innovations to the Phantom's rich feature set. The Phantom 3 Professional carries a fully stabilized 3-axis 4k UHD video camera for smooth, crisp videos and still photos. To allow you to see...

This book has been used for 30 years, updated periodically as needed. More than 20,000 students have successfully learned ocean navigation from these materials and gone on to cross oceans or circumnavigate the globe.This book covers how to find position at sea from timed sextant sights of the sun, m...

The only comprehensive field guide to the Chesapeake's fishes, this book is an indispensable resource for both anglers and students of the Bay. Vivid illustrations by Val Kells complement the expertise of researchers Edward O. Murdy and John A. Musick. They describe fishes that inhabit waters rangin...

Tie Down's keel roller assembly features adjustable offset brackets which mount on tongue for keel support. Comes with a 4 inch rubber roller (for 2 inch wide tongues) and hardware is included. Two – 3/8”-16 x 3” zinc plated hex bolts and two – 3/8” zinc plated nyloc nuts included for mounting onto...

Professional Ultra SanDisk 64GB MicroSDXC Garmin Virb Elite card is custom formatted for high speed, lossless recording! Includes Standard SD Adapter. (UHS-1 Class 10 Certified 30MB/sec)

Bearing Buddy replaces the dust cap in the axle hub, which is filled with grease through the Bearing Buddy. When the wheels are submerged, pressure from the spring loaded piston keeps the water out.  

The popular guide to boating and other recreational activities in Washington's San Juan Islands, updated and including new quick-access features. *New sidebars on wildlife and history *New tables listing authors' favorites; best side trips; and the best places and best times to view birds, wildlife,...