Also, on the wiki page you have the schematics for the board (if you have hardware experience, maybe you can make the PCB?), although boards should be available soon! You can ask about this in the IRC channel to some of the more Senior members of the group (I'm getting started as well).
> I have a thread running for building a special platform for such experiments (little copy of the Aerosonde).
> P.S. Sorry for my poor english but I'm a native german speaker .
No worries, this is an international project. We have a couple of people in Germany, go to the IRC channel (one of the German's nickname is Volker).