Ham Radio 2012 is expected to be visited by more that 17000 visitors this year.
Price is quite cheap, since cost 8 euro for 1 day and 18 for 3 days.
This year will be a good occasion to have a direct preview on new amateur radio transceivers, the Kenwood TS-990S and the Flex Radio 6500, wand the latest Yaesu FT-3000DX.
In the mean time, enjoy Ham Radio 2012 in Friedrichshafen.
Link to ham radio 2012 Exposition english website