Technical Links
 

Delphi Super Page	Lots of components for Delphi programmers
Torry's Delphi Page	More Delphi components
National Geophysical Data Center - Variation	Program code to calculate magnetic variation worldwide
National Geophysical Data Center - Coastlines	Worldwide coastline extractor
Aviation Formulary	Lots of aviation related mathematics
Jordan Russell	Producer of Inno Setup