Use of GTR / OSM map on Garmin 276C

[John Aero]

Hope GTR GPS experts can help. I use a Garmin 276C on bike trips - its a marine chart plotter and only GPS available 10 years or so ago that was waterproof and could handle routable road maps - yes was an "early adopter" of GPS on bikes and still thi

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[brian_bkk]

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[Javawa]

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[John Aero]

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[John Aero]

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