Updates & Downloads
GSD(TM) 22 Digital Remote Sounder
Bundle
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Chartplotters Update with Garmin Card, Ver. 2010.1026,
as of Oct 26, 2010,
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Garmin Marine Network Update with Garmin Card, Ver. 2013.1125,
as of Nov 25, 2013,
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Legacy GPSMAP with SD Card, Ver. 2025.0328.3,
as of Mar 28, 2025,
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Legacy GPSMAP with SD Card for Mac, Ver. 2022.0222.0,
as of Feb 22, 2022,
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