Re:Ask HN: What are the most beautifully written tutorials f...
by codewritinfool on Wednesday December 17, 2014 @11:52AM
(#8762968)
The "Aviation Formulary" isn't really a tutorial, but it covers a ton of groovy GIS stuff in a way I haven't seen collected anywhere else, with worked examples.
http://williams.best.vwh.net/avform.htm
A bit domain-specific, but fantastic.