Traditional sonar sends out a single frequency sound wave and measures the return echo to determine the depth and structure of the underwater terrain. On the other hand, CHIRP (Compressed High-Intensity Radiated Pulse) sonar sends out a continuous range of frequencies in a sweeping pattern. This results in higher resolution images, better target separation, and improved depth penetration compared to traditional sonar. CHIRP sonar is more advanced and provides clearer and more detailed images of fish and underwater structures.

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Fish Finder Chirp Sonar Sonar Traditional Sonar