Welcome at the Homepage of Alexander Dräbenstedt!

This is the homepage of Alexander Dräbenstedt.
I'm trying to progressively create some content for my web site.
Up to now we have the following:

Technical Personal

GPS Skyview Animation

Aurora Borealis Above Iceland

FPS like reaction speed test and trainer


How to measure the delay of LCD displays


Test the position update rate of your mouse


Panorama in the light of GPS-satellites

Spezialklasse (elite class)