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http://dx.doi.org/10.12673/jant.2018.22.6.514

Analysis of COSPAS-SARSAT 406 MHz Personal Locator Beacon Specification  

Jeong, Gi-ryong (Division of Navigation Science, Korea Maritime and Ocean University)
Jeong, Seong-hoon (Research Institute of Industrial Technology, Korea Maritime and Ocean University)
Lim, Jong-gun (SRC Co. Ltd)
Publication Information
Journal of Advanced Navigation Technology / v.22, no.6, 2018 , pp. 514-521 More about this Journal
Abstract
COSPAS-SARSAT 406 MHz emergency beacons include ELTs for aviation, EPIRBs for maritime, and PLBs for individuals in distress. They are used to sending messages encoded on 406 MHzdistress frequency and sending alertsfor search and rescue in distress. C/S T.001 and T.018 are COSPAS-SARSAT technical documents. They include basic technical information needed for developing beacons, howmessages are constructed, and test methods for type approval. COSPAS-SARSAT systems that use existing low earth orbit (LEO) and geostationary earth orbit (GEO) satellites do not have a return link service (RLS). So, the survivors could not confirm whether the distress signal was sending or not. However, a new medium earth orbit (MEO)satellite system has been added to thissystem, allowing confirmation through the RLS function. This paper analyzed C/S T.001 and T.018 needed to develop navigation structuresthat incorporated improved PLB of 406 MHz, a homing signal generator of 121.5 MHz, and a VHF AM transmitter for aviation of 243 MHz.
Keywords
COSPAS-SARSAT; C/S T.001; C/S T.018; PLBs; Return link service; Bose-Chaudhuri-Hocquenhem;
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  • Reference
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