Table of Contents
Preface v
Acknowledgments vii
Part 1 Working Knowledge of Radar 1
Chapter 1 How Radar Works 2
Ranges, Bearings, and Buoys 5
Head-Up Display Mode 8
Marking and-Reading the Screen by Hand 8
Chapter 2 Operation and "Tuning" 13
Warm-Up 13
Standby Mode 13
Picture-Quality Controls 14
Measurement Controls 24
Other Controls and Features 27
Summary and General Adjustment Tips 27
Chapter 3 Interpreting the Radar Screen 31
How Far Does the Radar See? 31
Three Views of the World 42
Chapter 4 Radar for Position Navigation 44
Radar versus GPS 44
Radar and GPS: Using Radar Underway 47
Chapter 5 Radar Piloting 58
Maintaining a Channel Position 58
Rounding a Corner at Fixed Distance Off 58
Using the Heading Line to Identify Landmarks Ahead 61
Identifying an Entrance Channel 62
Detecting Current Set 62
Offset Tracking 63
Anchoring with Radar 63
Chapter 6 Radar for Collision Avoidance 67
Working with Moving Targets 68
Relative Motion 71
Evaluating Risk of Collision 78
North-Up versus Head-Up in Traffic Observations 86
Part 2 Beyond the Basics 91
Chapter 7 Installation, Specifications, and Performance 92
Installation 92
Specifications 99
Performance 115
Chapter 8 Special Controls and Features 128
Special Controls 128
Features 131
Chapter 9 False Echoes and Interference 141
Side-Lobe Interference 141
Radar-to-Radar Interference 142
Ghost Targets from Reflections 143
Abnormal Radar Ranges 144
Rain and Squalls 146
Bridges 148
Chapter 10 Advanced Navigation and Piloting 149
Calibrations 149
Fix from Multiple Ranges 150
Radar Range and Visual Bearings 150
Optimizing Radar Fixes 152
Parallel Indexing 154
Making Landfall 158
Chapter 11 Radar Maneuvering 161
Target Vessel Aspect 161
Relative Motion Diagram 162
E-Chart Programs for Vector Solutions 169
Rules of Thumb 173
Squall Tactics 185
Sailboat Racing with Radar 190
Course to Steer for Desired CPA 192
Chapter 12 Radar and the Navigation Rules 195
Rule 2. Responsibility 196
Rule 5. Look-Out 196
Rule 6. Safe Speed 197
Rule 7. Risk of Collision 199
Rule 8. Action to Avoid Collision 202
Rule 19. Conduct of Vessels in Restricted Visibility 203
The Cockcroft-Lameijer Diagram 208
Chapter 13 Looking Ahead 213
PC Radar 213
Automatic Identification System (AIS) 216
Trends 216
Performance Monitoring 219
Appendix
Glossary 222
List of Abbreviations 233
References 235
Postscript: High-Definition (HD) and Broadband Radar 238
Index 241