Originally Posted by wwilson
. . . . . but you should know that anyone's ability to locate their position on a paper chart, using coastal piloting techniques will be significantly less accurate than WAAS GPS, except perhaps, again in reduced precision chart areas (non U.S.).
A lot of things are significantly less accurate than WAAS augmented GPS.
WAAS is only available in the US and there's a heck of a big world out there.