Passage Maker - - Electronics Products -

Garmin now of­fers a CHIRP trans­ducer to work with its photo-qual­ity sonar imag­ing DownVu and SideVu sys­tems. CHIRP, which is an acro­nym for com­pressed high-in­ten­sity ra­di­ated pulse, does not use a sin­gle fre­quency, but a con­tin­u­ous sweep of fre­quen­cies rang­ing from low to high. This pro­vides a wider range of in­for­ma­tion, which re­sults in a sharper, higher res­o­lu­tion im­age. Th­ese GT30-TH AND GT30-THP trans­duc­ers are used in con­junc­tion with a black box pro­ces­sor and fea­ture a built-in fast re­sponse tem­per­a­ture sen­sor. Both have a power rat­ing of 500 watts per el­e­ment (1,500 watts to­tal) with a max­i­mum depth of 750 feet for DownVu and 500 feet left and right for SideVu. The GT30-TH thru-hull scan­ning trans­ducer is for bot­tom dead­rises of less than 5 de­grees and costs $700. The GT30-THP (through-hull pair) scan­ning trans­duc­ers for dead­rises of 5 to 25 de­grees cost $1,250. Visit www.garmin.com.

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