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Home : ITU-R : Publications : Recommendations : M Series : M.690 : M.5/353(Rev.1) (03/12) | Recently posted - Search Recommendations | ||||||||||||||||||
M.690 : Draft revision of Recommendation ITU-R M.690-1 - Technical characteristics of emergency position-indicating radio beacons (EPIRBs) operating on the carrier frequencies of 121.5 MHz and 243 MHz | |||||||||||||||||||
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