On Wed, 04 Jan 2006 22:23:15 GMT, Gary wrote:

CMAP and all the other proprietary stuff. The NOAA products are
warranteed, correctable and verifiable. The rest are just eye candy.

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That's a bit harsh in my opinion. Both the CMAP and NOAA products
serve a useful purpose. I have both. I've never found an error on
one of my CMAP charts that is not also on the NOAA product. Chart
errors are just a fact of life around here in south Florida but I've
been the entire length of the east coast this year, and back, with no
issues regarding CMAP charts. In many cases the CMAP charts were more
up to date than my somewhat older BSB/raster collection (NOAA images).