- 制御チャネル (Control Channel)
- 政見放送(Broadcast of Political View)
- 青少年有害情報(Content Harmful to Young People)
- 青少年有害情報フィルタリングソフトウェア (Software for Filtering Content Harmful to Young People)
- 青少年有害情報フィルタリングサービス (Service to Filter Content Harmful to Young People)
- 整数変換方式(Integer Conversion System)
- 施行時利用者本人確認記録(Identification Records of the User at the Time of the Effective Date)
- 絶縁電線(Insulated Wire)
- 設計合致義務等(Obligation to Be in Accordance With the Type, etc.)
- 設計認証(Certification of Type)
- 接続条件(Terms and Conditions of Interconnection)
- 接続電気通信事業者等(Interconnecting Telecommunications Carriers, etc.)
- 接続約款(Interconnection Tariffs)
- 接続料(Interconnection Charges)
- 絶対レベル (Absolute Level)
- 設備区分(Classification of Facility)
- 設備部門(Facility Division)
- 設備の改善命令(Order for Improvement of Equipment)
- 船位通報 (Ship Position Reporting)
- 船上通信局 (On-Board Communication Station)
- 船上通信設備 (On-Board Communication Facility)
- 選択信号 (Selection Signal)
- 尖頭電力 (Peak Power)
- 船舶局(Ship Station)
- 船舶局無線従事者証明 (Ship Station Radio Operator Attestation)
- 船舶航空機間双方向無線電話 (Bidirectional Radiotelephony Between Ship and Aircraft)
- 船舶自動識別装置 (AIS:Automatic Identification System)
- 船舶地球局(Ship Earth Station)
- 船舶の無線局 (Radio Stations on Board Ship)
- 船舶保安警報(Ship Security Alert)
- 全般管理(General Management)
- 全搬送波 (Full Carrier)
- 全部認定事業者(Fully Approved Carrier)
- 全部認定証(Full Certificate)
- 占有周波数帯幅(Occupied Bandwidth)
- 専用役務(Leased Service)
- 専用設備(Leased Facility)
- 専用通信 (Private Telecommunication)
- 専用通信回線設備 (Leased Line Facilities)
- 専用通信回線設備等端末 (Terminal for Leased Line Facilities)
- 線路 (Cable)