Link utili per l’ottenimento della Licenza Radioamatoriale USA
Federal Communications Commission. Part 97 – Amateur Radio Service
Federal Communications Commision
US Ameteur Radio Exams in Italy (IK1PMR)
ARRL (The national Association for Amateur Radio)
W5YI-vec – Your Resources for Amateur Licensing
CEPT (European Conference of Postal and Telecommunications Administrations)