(Be sure to click through all the images above to see all the units.)The word “CHIRP” began infiltrating most dockside and marina chatter about four years ago. CHIRP — compressed high-intensity radar pulse — first described a class of high-dollar recreational sounders initially developed for deepwater fishing and superior target discrimination. But starting last year, smaller, less-expensive CHIRP fish finders began coming to market. They cost about a 10th to a quarter of the price of the earlier units (with transducers). Even in the lightning-fast world of marine electronics, prices don’t drop that quickly. High or Low So what’s the difference between the CHIRP capability found in $500 to $800 multifunction displays — such as the Raymarine Dragonfly, Lowrance Elite-5 CHIRP and Garmin’s smaller xs machines — and the original $2,000 ...
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