https://www.jarl.org/English/4_Library/A-4-3_Contests/2023AA_rule.htm ...

https://www.iaru-r1.org/wp-content/uploads/2021/03/Rules-2021.pdf https://www.iaru-r1.org/wp-content/uploads/2021/03/Rules-2021.pdf ...

https://www.lynxdxg.com/concurso-vertical-4-estaciones/ ...

https://jsfc.org/apsprint/ https://jsfc.org/apsprint/aprule.txt ...

http://gacw.ar/index.php/category/concursos/ http://gacw.ar/wp-content/uploads/2022/04/WWSA_2022_Castellano.pdf ...

https://www.iaru-r1.org/wp-content/uploads/2019/08/ATV-Contest-rules.pdf ...

http://www.drcg.de/drcgww/drcg-ww-rtty-english.html ...

https://portugaldaycontest.rep.pt/rules.php ...

https://www.urevalencia.es/trofeosYdiplomas.php?idFam=11&idTrofeo=7&idEntrada=35 ...

https://concursos.ure.es/qsl-v-uhf/bases/ ...