http://www.firac.de/html/contest.html El concurso está organizado por la Federación Internacional de Radioaficionados Ferroviarios (FIRAC). FECHAS: Segundo domingo de marzo (CW) y segundo domingo de n ...

https://www.darc.de/der-club/referate/conteste/wae-dx-contest/en/wae-rules/ ...

http://okomdx.crk.cz/index.php?page=english ...

http://www.jidx.org/jidxrule-e.html ...

https://www.iaru-r1.org/wp-content/uploads/2021/03/Rules-2021.pdf https://www.iaru-r1.org/about-us/committees-and-working-groups/vhf-uhf-shf-committee-c5/vhf-up-contesting/ ...

https://www.ukeicc.com/80m-rules.php ...

https://www.cqww.com/ ...

https://www.ukeicc.com/80m-rules.php ...

https://ukeicc.com/dx-contest-rules.php ...

https://www.uba.be/en/hf/contest-rules/on-contest ...