AirNav is pointing you to the National Aeronatical Chart Office. The PDFs
appear to be generated from original postscript sources.

The AOPA does appear to be either a scanned document, or it is being
produced from a lower qualify source, or it's being produced with an older
version of Acrobat, or ??

Why not ask AOPA?

Juan

"Roy Smith" wrote in message
...
Here's two URLs pointing to PDF's of the same approach:

http://www.airnav.com/depart?http://...02/00548I2.PDF
http://download.aopa.org/iap/2005021...ils_rwy_02.pdf

The airnav version is crystal clear. The AOPA version is blurry and
pixelated. Zooming in, it almost looks as if somebody took a printed
plate
and scanned it. What the heck is AOPA doing to the PDF files that make
them look this bad?