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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