The International Amateur Radio Union (IARU) celebrates its 90th anniversary in 2015.
Around 120 special commemorative stations are on the air from the 78 countries of the world.
It's expected the maximized activity of the **90IARU stations during December 2015.
The special award <90 years of IARU> was issued for the QSO with the **90IARU commemorative stations from 10 countries.
The separate awards can be given similar to the WAC rules per band and per mode.