Frequency register

The Frequency Register can be used to find a wide range of different information on frequency use in Denmark, for which the Danish Agency for Digitisation has issued a frequency licence. The frequency register reflects current information in the Danish Agency for Digitisation's frequency management system. The information shall be transferred immediately after the registration of an authorisation in the frequency management system to the Radio Spectrum Register. For example, you can search for: Transmission frequency Authorisation number Type of authorisation Expiry date Method of issuance Geographical application Intention to transfer Sending position (address) Kaldesignal MMSI Authorisation holders (User number or name) Geographical area marked on map See Section 21(2) of the Frequency Act: https://www.retsinformation.dk/eli/lta/2025/1109, and Section 5(2) of the Order on authorisations to use radio frequencies: https://www.retsinformation.dk/eli/lta/2025/938.