https://apps.fcc.gov/edocs_public/attachmatch/DOC-346051A1.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-346051A2.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-346051A3.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-346051A4.pdf