(WITHDRAWN) Use of Radio-Beacon Stations for Communications - Section 8D - Radiodetermination, Global Maritime Distress and Safety System and Related Subjects
国外标准现行
标准号:ITU-R 487-1974
标准名称: (撤回)无线电导航台用于通信.8D部分.无线电定位,全球海上呼救和安全系统
英文名称:(WITHDRAWN) Use of Radio-Beacon Stations for Communications - Section 8D - Radiodetermination, Global Maritime Distress and Safety System and Related Subjects