https://apps.fcc.gov/edocs_public/attachmatch/DOC-346057A1.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-346057A2.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-346057A3.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-346057A4.pdf