S-57, S-63, and S-101: ECDIS Chart Standards Explained
S-57, S-52, S-63, and now S-100 and S-101: the standards behind every ENC, what each one actually does, and how the shift to S-100 will change the picture on your screen.
S-57
ENC vs RNC: Vector and Raster Charts Explained
The two electronic charts can look alike but behave nothing alike. What separates an ENC from an RNC, and why the difference decides what your ECDIS can actually do.