Alexandre schrieb:

In 1998 I lived for one year in germany ....
in the house of a nice family. Unfortunatelly I lost conntact with them. ...
....
I really have no idea how radio works, but is it possible to contact
him with the info on his QSL?


Hi Alexandre,

have a look at this link:

http://hamcall.net/call/df2cq

HTH

Hans