Versions of CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart K - Standards for Special Frequencies or Frequency Bands on LawServer 2024 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart K – Standards for Special Frequencies or Frequency Bands 2023 CFR > Title 47 > CHAPTER I > SUBCHAPTER D > PART 90 > Subpart K – Standards for Special Frequencies or Frequency Bands 2022 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart K – Standards for Special Frequencies or Frequency Bands 2021 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart K – Standards for Special Frequencies or Frequency Bands 2020 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart K – Standards for Special Frequencies or Frequency Bands 2019 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart K – Standards for Special Frequencies or Frequency Bands 2016 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart K – Standards for Special Frequencies or Frequency Bands 2015 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart K – Standards for Special Frequencies or Frequency Bands 2014 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart K – Standards for Special Frequencies or Frequency Bands