https://apps.fcc.gov/edocs_public/attachmatch/DOC-344482A1.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-344482A2.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-344482A3.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-344482A4.pdf