https://apps.fcc.gov/edocs_public/attachmatch/DOC-344486A1.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-344486A2.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-344486A3.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-344486A4.pdf