Versions of CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart Y - Regulations Governing Licensing and Use of Frequencies in the 4940-4990 Mhz Band on LawServer 2024 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart Y – Regulations Governing Licensing and Use of Frequencies in the 4940-4990 Mhz Band 2023 CFR > Title 47 > CHAPTER I > SUBCHAPTER D > PART 90 > Subpart Y – Regulations Governing Licensing and Use of Frequencies in the 4940-4990 MHz Band 2022 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart Y – Regulations Governing Licensing and Use of Frequencies in the 4940-4990 MHz Band 2021 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart Y – Regulations Governing Licensing and Use of Frequencies in the 4940-4990 MHz Band 2020 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart Y – Regulations Governing Licensing and Use of Frequencies in the 4940-4990 Mhz Band 2019 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart Y – Regulations Governing Licensing and Use of Frequencies in the 4940-4990 Mhz Band 2016 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart Y – Regulations Governing Licensing and Use of Frequencies in the 4940-4990 Mhz Band 2015 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart Y – Regulations Governing Licensing and Use of Frequencies in the 4940-4990 Mhz Band 2014 CFR > Title 47 > Chapter I > Subchapter D > Part 90 > Subpart Y – Regulations Governing Licensing and Use of Frequencies in the 4940-4990 Mhz Band