Add Potchefstroom / FAPS
Add Potchefstroom / FAPS

Altitude source: http://www.openaip.net/node/160571
Bounding box: http://boundingbox.klokantech.com

Note: use `l.alt < 2078` seem to be 700m above the airfield

pyrog/ogn-live,pyrog/ogn-live,pyrog/ogn-live