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The Radio Technical Commission for Maritime Services (RTCM) is an international standards organization. The Radio Technical Commission for Maritime Services (RTCM) is an international non-profit scientific, professional and educational organization. RTCM members are organizations (not individuals) that are both non-government and government. Although started in 1947 as a U.S. government advisory committee, RTCM is now an independent organization supported by its members from all over the world. In the United States, the Federal Communications Commission and U.S. Coast Guard use RTCM standards to specify radar systems, Emergency Position Indicating Radio Beacons, Differential GPS systems and the basic version of Digital Selective Calling radios. ==Special committees== RTCM Special Committees are formed to provide in-depth areas of concern to the RTCM membership, these special committees normally produce documents in the form of standards. Current special committees are * Special Committee (SC) 101 on Digital Selective Calling (DSC) * Joint Special Committee (SC) 101/110 on GPS Equipped Hand Held VHF Radios * Special Committee (SC) 104 on Differential Global Navigation Satellite Systems (DGNSS). Provides standards that are often used in Differential GPS and Real Time Kinematic operations. * Special Committee (SC) 109 on Electronic Charts * Special Committee (SC) 110 on Emergency Beacons (EPIRBs and PLBs) * Special Committee (SC) 117 on Maritime VHF Interference * Special Committee (SC) 119 on Maritime Survivor Locator Devices * Special Committee (SC) 121 on Automatic Identification Systems (AIS) and digital Messaging * Special Committee (SC) 123 on VHF-FM Digital Small Message Services * Special Committee (SC) 127 on Enhanced Loran (eLoran) * Special Committee (SC) 128 on Satellite Emergency Notification Device (SEND) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「RTCM」の詳細全文を読む スポンサード リンク
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