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Change History


GPSMAP 1623/1643/1653 software version 38.03

as of January 2, 2025

Changes made from version 37.01 to 38.03:

Changes made from version 36.12 to 37.01:

Changes made from version 36.00 to 36.12:

Changes made from version 35.30 to 36.00:

Changes made from version 35.10 to 35.30:

Changes made from version 34.00 to 35.10: