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Since 2008, Iridium Short Burst Data (SBD) has been more and more used for the transmission of drifting buoy data ashore. Several centres are processing the raw data in order to send them onto the GTS in FM18 BUOY. Out of them, some are have been transmitted in FM94 BUFR (a never-validated WMO template, and the template 315009), in parallel.
By As of end 2016, the migration from TAC to BUFR is considered about complete for drifting buoys.
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