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Comparison of Pre-loaded BlueChart® g2 to BlueChart® g2 HD
A Garmin Chartplotter that comes pre-loaded with coastal charts with only have the BlueChart® g2 charts. However, if you would like to add one foot contours to your coastal charts the supplemental BlueChart® g2 HD charts are available. To learn more about the benefits of BlueChart® g2 HD mapping please visit https://buy.garmin.com/en-US/US/p/6452
The images below provide a comparison between the two chart products.
BlueChart® g2
BlueChart® g2 HD