- International Telecommunications Union (ITU)
- Viestintävirasto - The Finnish Communications Regulatory Authority
- European Radiocommunications Office (ERO)
- Federal Communications Commission - USA
- Ministry of Information and Communication - South Korea
- Radiocommunications Agency - UK
- Australian Communications and Media Authority (ACMA)
- Ulkomaalaisten telehallintojen yhteystietoja - Other Radio Administrations