Support
For questions, problems, or data corrections, email support@jmpar.com. If you're reporting a data error, please include the frequency range and what you expected to see.
Where the data comes from
Allocations come from the FCC's Table of Frequency Allocations (47 CFR § 2.106), FCC edition revised July 1, 2022. Footnote text comes from 47 CFR § 2.106 as of October 1, 2024. Federal allocations are taken from the Federal column of the same table.
Important
Spectrum Viewer is a reference tool. It is not an official source, and it is not affiliated with or endorsed by the FCC or NTIA. Allocations change, and the app may not reflect the latest rules. Before you transmit or rely on an allocation for any regulatory purpose, check the current 47 CFR § 2.106 and the rules that apply to your license.
Privacy
Spectrum Viewer collects no data. Read the privacy policy.