Updates & Downloads
GHC(TM) 20 Marine Autopilot Control Unit
Bundle
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echoMAP with SD Card, Ver. 2026.1027.0,
as of Oct 27, 2026,
Download
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echoMAP with SD Card for Mac, Ver. 2022.0222.0,
as of Feb 22, 2022,
Download
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GPSMAP Series with SD Card, Ver. 2026.1027.0,
as of Oct 27, 2026,
Download
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GPSMAP Series with SD Card for Mac, Ver. 2022.0222.0,
as of Feb 22, 2022,
Download
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Legacy GPSMAP with SD Card, Ver. 2026.0921.0,
as of Sep 21, 2026,
Download
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Legacy GPSMAP with SD Card for Mac, Ver. 2022.0222.0,
as of Feb 22, 2022,
Download