Boat Navigation for the Rest of Us: Finding Your Way By Eye and Electronics

Boat Navigation for the Rest of Us: Finding Your Way By Eye and Electronics
By:Brogdon, Bill;
Pub Date:February 20th 2001
Format:Paperback 232 pages
ISBN:0071372261 / 9780071372268
Your Price:$21.00 ADD TO CART
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Main description

"Thorough treatment of traditional and electronic [sailing] methods by an expert."--WoodenBoat

Want a full course in navigation? A whole toolbox of little-known tips and shortcuts to deal with real-life navigation situations without resorting to a slide rule? You get both in Boat Navigation for the Rest of Us, second edition, a guide to pleasureboat navigation that shows you how to combine electronic aids like radar and GPS with visual observations, simple chartwork, and common-sense piloting. In plain, simple language, it explains how to find where you are and get where you want to go with a minimum of fuss. You'll find many little-known, low-tech methods specifically designed for use aboard small powerboats and sailboats. This edition brings you up to speed on the many changes to navigation systems and equipment that have occurred over the past six years, including dramatic improvement in GPS accuracy, the proliferation of electronic charts and plotting systems, and the growing importance of the Internet as a navigation tool.

Table of contents

List of Sidebars



1. How We Navigate

Going to an Object in Sight

Course, Speed, and Time: The DR

Finding the Boat's Position

Electronic Aid-to-Navigation Systems

Blending Visual, Instrument, and Electronic Information

2. Charts and Publications


Latitude and Longitude; Chart Scale and Projection; Chart Symbols; Direction and Distance; Depths; Chart Dates and Corrections; Great Lakes Charts; Charts for Rivers and Reservoirs


3. Navigation Instruments and Equipment

The Compass

Direction; Variation and Deviation; Bad Compass, Good Course


Types of Depthfinders; Depth Corrections; Choosing a Depthfinder

Speed and Distance Logs



A Navigator's Kit


Radar Measurements: Range and Bearing

4. Aid-to-Navigation Systems

Visual Aids to Navigation

Color, Shape, Lights, and Numbers; Intracoastal Waterway Aids to Navigation

Sound Signals

The Global Positioning System and Loran-C

Plotters; Additional Similarities and Differences; Accuracy; Coverage; Choosing an Electronic Navigation System; Choosing a Receiver; Differential GPS and WAAS

Radiobeacons and Radio Direction Finders


Other Radionavigation Systems

5. Finding Where You Are

Seaman's Eye

Radar and Seaman's Eye

Taking Departure

Ded (Dead) Reckoning

Time, Speed, and Distance Calculations

Time; Speed; Distance; Doing the Calculations Mentally; Direction and Time

Lines of Position and Fixes

Objects for Lines of Position; Fixes from Lines of Position; Radar Lines of Position; Line-of-Position and Fix Errors; Ranges

Estimated Positions

Distance Off

Electronic Navigation Systems


Measuring and Storing Waypoints with a Receiver; Plotting GPS and Loran-C Positions on a Chart; Position with Respect to Waypoints; Using Waypoints Measured by Another Receiver; Converting Waypoints from Loran-C to GPS; Corrections to Waypoint Positions

Avoiding GPS and Loran-C Errors

Check before Getting Underway; Electronic Position Jumps; Out of Tolerance Signals

6. Finding Where to Go

Seaman's Eye

Frozen Ranges; Steering Clear; Water Colors; Waves

Going to Distant Destinations

Electronic Navigation Systems

Coping with Current

Plotting; Calculating the Lead Angle; Shortcut Lead Angles; Practical Methods

Following the Desired Track Using a Navigation Receiver

Bearing to Waypoint; Cross-Track Error; Course Made Good; Estimated Time En Route; Scratch Waypoints; Staying in Good Water

Losing Electronic Navigation


Blending Electronic and Visual Navigation

Island Chains, Marshes, and Reservoirs

River Navigation

Night Navigation

Navigation in Fog

Radar for Collision Avoidance

Collision Avoidance in Poor Visibility

7. Special Techniques

Riding a Line of Position

The Deliberate Miss

The Electronic Navigation Hook

Look Behind You

Things That Go Wrong

Signs of Trouble; Data Entry Errors; Different Bearings to a Waypoint; Shifting Waypoints; Which One Is Wrong?; Onboard Interference; External Interference; Moving the Receiver Long Distances; Cross-Track Error Jumps to Zero

Appendix A. How GPS Works

Appendix B. How Loran-C Works

Appendix C. Good, Bad, and Ugly Receiver Features




Author Information

Downloads & Resources


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