"British Antarctic Survey prototype re-usable Sonic sonobuoy"@en .
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"SDN:L22::TOOL1258" .
"A British Antarctic Survey-built prototype of a free-floating re-usable sonobuoy, designed to record low frequency acoustic information generated by remote marine seismic sources. The instrument is used in conjunction with a towed airgun array, or other remote marine seismic sources. Further details can be found in section 10.10 of JR18 cruise report."@en .
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