- WERON
Website voor Experimenteel Radio Onderzoek Nederland
Wat is radiozendamateurisme
Veel informatie voor de radiozendamateur, etc.
- NERG
Nederlands Electronica en Radio Genootschap
- IEEE
Institute of Electrical and Electronics Engineers, Inc
Leading authority in technical areas ranging from computer engineering, biomedical technology and telecommunications, to electric power, aerospace and consumer electronics, among others
- Life Radio spectrum amateur frequencies
- Life EME-radio Radiosignals van Earth-Moon Earth communication with the Dwingeloo-CAMRAS radio telescopebr>
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