These files are a snapshot of the October 2017 data in Ofcom’s Wireless Telegraphy Register (WTR). The register provides information about who is licensed to operate services in specific frequencies, or geographical areas, and the technical parameters associated with those rights of use. Ofcom provides this information under Section 31 of the Wireless Telegraphy Act 2006. The register also fulfils Ofcom's obligations under the Environmental Information Regulations 2004 regarding making information progressively available. Ofcom aims to update this information on a quarterly basis.