Published:
8 March 2024
Last updated:
23 April 2025
Spectrum information portal
Please view our guide to using Ofcom’s System Information System (SIS) to understand how to use the portal.
Please direct any feedback on your experience of the spectrum information portal to: spectrumportalfeedback@ofcom.org.uk
For the best experience, expand to full screen (click on the button in the bottom right corner).
Data files
View the spectrum information portal data files:
Update – 23 April 2025
Shared Access licences have been migrated to a new licensing platform and therefore not all are displayed on a map. An interim solution will be provided shortly.