SP DX Contest - rules, definitions and categories, results from the previous years, contest software, all time records:
 (English) 

SP DX Contest - regulamin, opis kategorii, wyniki z poprzednich lat, rekordy punktowe, oprogramowanie contestowe:
 (Polski) 

SP DX Contest 2011: April 2 - 3
We would like to inform
that using of DX Cluster is allowed
in the SP DX Contest
in all categories