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  1. United States Frequency Allocation Chart | National …

  2. Radio spectrum - Wikipedia

  3. United States Spectrum Allocation Chart - IEEE Reach

  4. Radio Spectrum Allocation - Federal Communications Commission

  5. Table of Frequency Allocations Chart - Federal Communications Commission

  6. File:United States Frequency Allocations Chart 2016 - The Radio ...

  7. The United States Frequency Allocation Chart - Beautiful Public …