The International Amateur Radio Union (IARU) is a federation of national associations of certified radio amateurs, representing over 150 countries and separate territories around the world.

The three IARU Regions are organised to broadly mirror the structure of the International Telecommunications Union (ITU) and its related regional telecommunications organisations. The Regions comprise:
- IARU Region 1: Europe, Africa, the Middle East and Northern Asia
- IARU Region 2: The Americas
- IARU Region 3: Asia-Pacific

The IARU represents the interests of the Amateur Radio Service worldwide to relevant international organisations, promoting the interests of amateur radio and seeking to protect and enhance its spectrum privileges.

IARU HF Championship

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Next weekend (July 14th-15th) there will be the IARU HF Championship.

A good occasion to contact as many other amateurs, especially HQ stations from the IARU Societies, as possible around the world using all the HF amateur bands (except WARC) on SSB and CW.

There will be also some special multipliers for Administrative Council (AC) and Regional Executive Committee stations (R1-R2-R3).

Detailed rules are on http://www.arrl.org/iaru-hf-championship