F8KCF Radioclub in Annemasse (France – 74) : https://f8kcf.net/accueil/
HB9G Radioclub in Geneva (Switzerland) : https://www.hb9g.ch/
Astronomy Club ORION in Gex (France – 01) : https://oriongex.net/wp/
4UITU Radioclub from ITU in Geneva (Switzerland) : https://life.itu.int/radioclub/