A look back at the Garmin GPSMAP 376c: a 2006 handheld color chartplotter with satellite weather and optional sonar, and how modern chartplotters have evolved.
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The Garmin c340 was a mid-2000s automotive GPS known for on-screen maps, voice directions and route recalculation. Today it remains useful as an offline navigator, but live traffic and current maps are better handled by modern devices or smartphone apps.
A modern overview of how auto GPS works: satellites, trilateration, device roles, accuracy improvements, and what GPS can and cannot do.
The Garmin StreetPilot c340 was prized for its simple touchscreen, reliable routing, and flexible mounting. Today it's a capable legacy GPS for offline navigation, but modern smartphones and current Garmin models offer more live features and map updates.
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GPS watches combine satellite positioning and onboard sensors to record routes, monitor heart rate and calories, provide navigation, sync to apps, and offer safety features like incident detection and SOS.
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