Boat Electronics | Boat Axis

What Is CHIRP on a Fish Finder? Sonar Tech Explained

Only CHIRP sonar sends a continuous frequency sweep per ping for sharper targets and less clutter.

Learn to read fish finder sonar by mastering arches, frequency tuning, and bottom composition for better catches.

Learn how a marine radio keeps you safe offshore when your cell phone fails.

Use a mechanical gauge to confirm if your fluctuating oil pressure is a simple fix or serious trouble.

Keep your engine safe by wiring an oil pressure gauge yourself—here’s the step-by-step guide to getting it right.

Observe fish finder screens: arches mean active predators, while dots and blobs reveal hidden fish behavior.

Find out how to spot low oil pressure without a gauge using simple signs and visual checks.

Discover how a fuel sending unit works and why a bad one only messes with your gauge.

Why a simple tube measures speed using pressure—click to discover how it actually works.

Learn how your boat speedometer actually works and why it can fool you—GPS reveals the truth.