Richard,
Welcome to the forum.
You probably will get better performance as well as automatic stitching and zooming in iNavX using vector charts instead of the raster type. In your region, there may be some anomalies in the vectors but suggest you take a look at Navionics 3XG for iPad (or iPhone). It is currently $55 on x-traverse:
Navionics 3XG - Caribbean, Central and South America
or:
Navionics 1XG - USA & Sea of Cortez
Welcome to the forum.
You probably will get better performance as well as automatic stitching and zooming in iNavX using vector charts instead of the raster type. In your region, there may be some anomalies in the vectors but suggest you take a look at Navionics 3XG for iPad (or iPhone). It is currently $55 on x-traverse:
Navionics 3XG - Caribbean, Central and South America
or:
Navionics 1XG - USA & Sea of Cortez
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Jon Longworth
Jon Longworth