The so-called digital sounder advancement, first captured by Raymarine and Furuno, has seen Lowrance step up to the plate with the development of the Lowrance Broadband Sounder-1. Test report by Andrew Galwey. There is little doubt that fishfinders have produced better-quality pictures over the past few years and continue to improve. Better computer-programming techniques and technology advancements have enabled digitally enhanced image processing.
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