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Use an MCR player like or MSXPLAYer to test. gme to mcr converter work
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A raw GME extract usually contains a header block identifying the Garmin device ID, followed by a series of waypoint records. Each record is 114 bytes long (in older formats) or variable in XML-style GPX. The critical takeaway is that GME prioritizes —storing coordinates to 1/10,000th of a minute—but lacks rendering instructions (colors, line thickness, transparency). gme to mcr converter work