Garmin GPSMAP 421s Sounder with Dual Frequency Transducer Customer Image Gallery

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Garmin GPSMAP 421s Sounder Marine GPS with Dual Frequency Transducer

Garmin GPSMAP 421s Sounder with Dual Frequency Transducer User Gallery

Customer submitted images and stories of the Garmin GPSMAP 421s Sounder with Dual Frequency Transducer. You can also view our entire gallery or add your own gallery item. Special limited time offer. Get a free t-shirt with every approved submission with pictures.

TESTING NEW SOUNDER

douglas channel

work channel

Went out on the Douglas Channel and then out to Work Channel to try the sonar and chart plotting. Found that it is easy to use and easy to install. I used my Garmin hand help gps to compare the speed and it was the exact same as the new one in the pic. My new GPS sonar is a Garmin GPS421s.

POSTED BY: scott on June 13, 2010
CATEGORY: Marine
VIEWS: 6950

PLACES: Douglas channel

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Garmin GPSMAP 421s Sounder Marine GPS with Dual Frequency Transducer